{"id":716,"date":"2023-08-14T10:13:25","date_gmt":"2023-08-14T10:13:25","guid":{"rendered":"https:\/\/agripedia.ch\/streustroeme\/?page_id=716"},"modified":"2025-06-25T13:18:21","modified_gmt":"2025-06-25T13:18:22","slug":"fachinformationen","status":"publish","type":"page","link":"https:\/\/agripedia.ch\/streustroeme\/fr\/fachinformationen\/","title":{"rendered":"Fachinformationen"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1144px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-one\"><h1 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:60;line-height:1.4;\"><h1>Informations techniques<\/h1><\/h1><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-2 fusion-sep-none fusion-title-text fusion-title-size-two\" id=\"Que_sont\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:40;line-height:1.5;\"><h2>Que sont les courants vagabonds ?<\/h2><\/h2><\/div><div class=\"fusion-text fusion-text-1\"><p>Le courant \u00e9lectrique circule normalement dans un circuit de la source \u00e0 la charge et retourne ensuite \u00e0 la source. Lors de l\u2019exploitation d\u2019installations \u00e9lectriques, il est possible que du courant circule involontairement \u00e0 travers des parties conductrices de b\u00e2timents ou d\u2019installations ou \u00e0 travers le sol ; de tels courants non contr\u00f4l\u00e9s sont appel\u00e9s \u201ccourants vagabonds\u201d.<\/p>\n<p>Les courants vagabonds peuvent se pr\u00e9senter sous forme de courant continu, de courant alternatif ou d\u2019une combinaison des deux. Ils peuvent entra\u00eener de la corrosion. Des courants vagabonds importants peuvent engendrer des tensions (diff\u00e9rences de potentiel) lorsqu\u2019ils circulent sur des structures conductrices. Ces tensions peuvent \u00eatre per\u00e7ues par des \u00eatres vivants.<\/p>\n<p>Les courants vagabonds se produisent souvent en cas de concepts de mise \u00e0 la terre inappropri\u00e9s \u00a0ou d\u2019installation d\u00e9fectueuse. Ainsi, les conducteurs d\u2019\u00e9quipotentialit\u00e9 (conducteurs de protection) en sont affect\u00e9s lorsqu\u2019ils sont reli\u00e9s \u00e0 plusieurs endroits \u00e0 des parties de l\u2019installation. Les anciennes installations ex\u00e9cut\u00e9es selon le syst\u00e8me TN-C-S y sont donc particuli\u00e8rement sensibles.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"--awb-aspect-ratio:3 \/ 2;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none has-aspect-ratio\"><img decoding=\"async\" width=\"300\" height=\"200\" title=\"Erdungskonzepten_2\" src=\"https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/08\/Erdungskonzepten_2-e1708678688472-300x200.png\" class=\"img-responsive wp-image-836 img-with-aspect-ratio\" data-parent-fit=\"cover\" data-parent-container=\".fusion-image-element\" alt srcset=\"https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/08\/Erdungskonzepten_2-e1708678688472-200x133.png 200w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/08\/Erdungskonzepten_2-e1708678688472-400x266.png 400w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/08\/Erdungskonzepten_2-e1708678688472-600x400.png 600w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/08\/Erdungskonzepten_2-e1708678688472-800x533.png 800w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/08\/Erdungskonzepten_2-e1708678688472.png 964w\" sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 600px\" \/><\/span><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"--awb-aspect-ratio:4 \/ 3;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-2 hover-type-none has-aspect-ratio\"><img decoding=\"async\" width=\"300\" height=\"225\" title=\"mit_tr\u00e4nke_2\" src=\"https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/08\/mit_traenke_2-e1708679085540-300x225.png\" class=\"img-responsive wp-image-838 img-with-aspect-ratio\" data-parent-fit=\"cover\" data-parent-container=\".fusion-image-element\" alt srcset=\"https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/08\/mit_traenke_2-e1708679085540-200x150.png 200w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/08\/mit_traenke_2-e1708679085540-400x300.png 400w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/08\/mit_traenke_2-e1708679085540-600x450.png 600w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/08\/mit_traenke_2-e1708679085540-800x600.png 800w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/08\/mit_traenke_2-e1708679085540.png 964w\" sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 600px\" \/><\/span><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-2\"><p>Dans tous les cas, les courants qui circulent dans les conducteurs ne posent pas de probl\u00e8me en soi. Ils g\u00e9n\u00e8rent toutefois des chutes de tension (diff\u00e9rences de potentiel) qui peuvent \u00e9ventuellement \u00eatre per\u00e7ues par des \u00eatres vivants. Les animaux ressentent ces diff\u00e9rences de tension d\u00e8s qu\u2019elles sont sup\u00e9rieures \u00e0 1 volt.<\/p>\n<p>Vous trouverez \u00e9galement de plus amples informations dans le <a href=\"https:\/\/www.esti.admin.ch\/inhalte\/2019-02_streustroeme_tierhaltung_f.pdf\" target=\"_blank\" rel=\"noopener\">document<\/a> 2\/2019 (Les courants vagabonds dans les exploitations d\u2019\u00e9levage) de l\u2019Inspection f\u00e9d\u00e9rale des installations \u00e0 courant fort ESTI et <a href=\"https:\/\/www.bulletin.ch\/fr\/news-detail\/les-courants-vagabonds-dans-lagriculture.html\" target=\"_blank\" rel=\"noopener\">ici<\/a>.<\/p>\n<\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:10px;margin-bottom:10px;width:100%;\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-3 fusion-sep-none fusion-title-text fusion-title-size-two\" id=\"causes\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:40;line-height:1.5;\"><h2>Causes<\/h2><\/h2><\/div><div class=\"accordian fusion-accordian\" style=\"--awb-border-size:1px;--awb-icon-size:20px;--awb-content-font-size:18px;--awb-icon-alignment:right;--awb-hover-color:#f9f9f9;--awb-border-color:#cccccc;--awb-background-color:#ffffff;--awb-divider-color:#e0dede;--awb-divider-hover-color:#e0dede;--awb-icon-color:#6d6d6d;--awb-title-color:#f44336;--awb-content-color:#0f0f0f;--awb-icon-box-color:#7a7a7a;--awb-toggle-hover-accent-color:#e10707;--awb-title-font-family:&quot;Roboto&quot;;--awb-title-font-weight:700;--awb-title-font-style:normal;--awb-title-font-size:20px;--awb-title-line-height:1.5;--awb-content-font-family:&quot;Roboto&quot;;--awb-content-font-style:normal;--awb-content-font-weight:300;\"><div class=\"panel-group fusion-toggle-icon-right fusion-toggle-icon-unboxed\" id=\"accordion-716-1\"><div class=\"fusion-panel panel-default panel-85fa946878442ee59 fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_85fa946878442ee59\"><a aria-expanded=\"false\" aria-controls=\"85fa946878442ee59\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-1\" data-target=\"#85fa946878442ee59\" href=\"#85fa946878442ee59\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Alimentation en eau <\/span><\/a><\/h4><\/div><div id=\"85fa946878442ee59\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_85fa946878442ee59\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Toutes les conduites m\u00e9talliques d\u2019arriv\u00e9e d\u2019eau en provenance d\u2019un autre b\u00e2timent doivent \u00eatre introduites par des manchons isolants. Dans le cas contraire, des courants vagabonds peuvent se propager dans l\u2019installation. Parall\u00e8lement, dans ces situations, il faut veiller \u00e0 une mise \u00e0 la terre suffisante des deux c\u00f4t\u00e9s.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-94d2657309214cbf5 fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_94d2657309214cbf5\"><a aria-expanded=\"false\" aria-controls=\"94d2657309214cbf5\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-1\" data-target=\"#94d2657309214cbf5\" href=\"#94d2657309214cbf5\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Retour de courant<\/span><\/a><\/h4><\/div><div id=\"94d2657309214cbf5\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_94d2657309214cbf5\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Dans la plupart des r\u00e9seaux \u00e9lectriques, une partie du courant distribu\u00e9 retourne \u00e0 son point d\u2019origine via le sol. Conform\u00e9ment \u00e0 la loi de la moindre r\u00e9sistance, le courant emprunte alors le chemin le plus court possible. Il peut arriver que le courant passe par des endroits ind\u00e9sirables et provoque ainsi des courants vagabonds.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-25efcc34ea8540276 fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_25efcc34ea8540276\"><a aria-expanded=\"false\" aria-controls=\"25efcc34ea8540276\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-1\" data-target=\"#25efcc34ea8540276\" href=\"#25efcc34ea8540276\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Installations \u00e9lectriques d\u00e9fectueuses dans la maison d'habitation ou dans l'\u00e9table<\/span><\/a><\/h4><\/div><div id=\"25efcc34ea8540276\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_25efcc34ea8540276\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Des courants de d\u00e9faut d\u00fb \u00e0 des installations \u00e9lectriques d\u00e9fectueuses, \u00e0 une mise \u00e0 la terre inefficace, \u00e0 des bo\u00eetes de d\u00e9rivation non \u00e9tanches, \u00e0 des erreurs de c\u00e2blage, \u00e0 une isolation d\u00e9fectueuse ou \u00e0 des appareils \u00e9lectriques d\u00e9fectueux peuvent se propager via les conduites d\u2019eau et des \u00e9l\u00e9ments m\u00e9talliques et causer, ainsi, des probl\u00e8mes sous forme de courants vagabonds.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-ac23637c1ee18dc1e fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_ac23637c1ee18dc1e\"><a aria-expanded=\"false\" aria-controls=\"ac23637c1ee18dc1e\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-1\" data-target=\"#ac23637c1ee18dc1e\" href=\"#ac23637c1ee18dc1e\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Courant de d\u00e9faut sur un r\u00e9seau de distribution \u00e9lectrique dans le voisinage<\/span><\/a><\/h4><\/div><div id=\"ac23637c1ee18dc1e\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_ac23637c1ee18dc1e\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Un courant de d\u00e9faut sur un r\u00e9seau de distribution \u00e9lectrique dans le voisinage peut se propager et se pr\u00e9senter sous forme de courants vagabonds en raison d\u2019isolateurs d\u00e9fectueux , d\u2019un poste de transformation dans le voisinage ou d\u2019une mise \u00e0 la terre par une conduite d\u2019eau.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-8eb55421be92b6582 fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_8eb55421be92b6582\"><a aria-expanded=\"false\" aria-controls=\"8eb55421be92b6582\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-1\" data-target=\"#8eb55421be92b6582\" href=\"#8eb55421be92b6582\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Mauvaise installation des cl\u00f4tures \u00e9lectriques<\/span><\/a><\/h4><\/div><div id=\"8eb55421be92b6582\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_8eb55421be92b6582\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Si le g\u00e9n\u00e9rateur de courant et la mise \u00e0 la terre se trouvent \u00e0 l\u2019int\u00e9rieur du b\u00e2timent, il peut arriver que le retour de courant se fasse par le sol du b\u00e2timent. Cela entra\u00eene des courants de vagabonds probl\u00e9matiques.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-075f5c0e1842e73cf fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_075f5c0e1842e73cf\"><a aria-expanded=\"false\" aria-controls=\"075f5c0e1842e73cf\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-1\" data-target=\"#075f5c0e1842e73cf\" href=\"#075f5c0e1842e73cf\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Ligne \u00e0 haute tension \u00e0 proximit\u00e9<\/span><\/a><\/h4><\/div><div id=\"075f5c0e1842e73cf\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_075f5c0e1842e73cf\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Les conducteurs m\u00e9talliques tels que les tuyaux, les fils, les grilles, les pieux , etc. subissent une induction due \u00e0 la ligne \u00e0 haute tension \u00e0 proximit\u00e9, m\u00eame s\u2019ils sont mis \u00e0 la terre. Il en r\u00e9sulte une tension \u00e9lectrique et des courants vagabonds peuvent appara\u00eetre.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-d947e8e83c8cf120d fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_d947e8e83c8cf120d\"><a aria-expanded=\"false\" aria-controls=\"d947e8e83c8cf120d\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-1\" data-target=\"#d947e8e83c8cf120d\" href=\"#d947e8e83c8cf120d\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Ligne de chemin de fer \u00e0 proximit\u00e9<\/span><\/a><\/h4><\/div><div id=\"d947e8e83c8cf120d\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_d947e8e83c8cf120d\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Dans un rayon de 30 \u00e0 50 m autour d\u2019une ligne de chemin de fer, il peut y avoir des retours de courant, ce qui peut \u00e9galement entra\u00eener des courants vagabonds.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:10px;margin-bottom:10px;width:100%;\"><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" id=\"installation\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1144px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-6 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-4 fusion-sep-none fusion-title-text fusion-title-size-two\" id=\"Construction\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:40;line-height:1.5;\"><h2>Courants vagabonds\u00a0: points d\u2019attention en vue de la construction et de l\u2019installation \u00e9lectrique<\/h2><\/h2><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:10px;margin-bottom:10px;width:100%;\"><\/div><?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n<!-- Created with Inkscape (http:\/\/www.inkscape.org\/) -->\n\n<svg\n   width=\"100%\"\n   height=\"auto\"\n   viewBox=\"0 0 248.38841 135.63875\"\n   version=\"1.1\"\n   id=\"schema-bau-und-elektroinstallation\"\n   inkscape:version=\"1.3 (0e150ed6c4, 2023-07-21)\"\n   sodipodi:docname=\"Mindmap-Bau-und-Elektroinstallation_fr_test.svg\"\n   xmlns:inkscape=\"http:\/\/www.inkscape.org\/namespaces\/inkscape\"\n   xmlns:sodipodi=\"http:\/\/sodipodi.sourceforge.net\/DTD\/sodipodi-0.dtd\"\n   xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"\n   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style=\"font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:4.7625px;font-family:Roboto;-inkscape-font-specification:'Roboto, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;stroke-width:0.264583\"\n           x=\"44.704521\"\n           y=\"21.974545\">TNC | Schema 3<\/tspan><\/text>\n    <\/g>\n    <g\n       id=\"verbindungen-erdungsgitter\"\n       transform=\"translate(-56.539148,3.2081759)\">\n      <rect\n         style=\"fill:#f8cbad;fill-opacity:1;fill-rule:evenodd;stroke-width:0.368621\"\n         id=\"rect53634\"\n         width=\"74.510696\"\n         height=\"24.604561\"\n         x=\"88.627983\"\n         y=\"107.94888\" \/>\n      <text\n         xml:space=\"preserve\"\n         style=\"font-style:normal;font-weight:normal;font-size:5.82083px;line-height:1.25;font-family:sans-serif;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.264583\"\n         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terre<\/tspan><tspan\n           sodipodi:role=\"line\"\n           style=\"font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:5.82083px;font-family:Roboto;-inkscape-font-specification:'Roboto, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;stroke-width:0.264583\"\n           x=\"96.89592\"\n           y=\"129.59009\"\n           id=\"tspan58881\">> Liaisons des stands <\/tspan><\/text>\n    <\/g>\n    <a\n       id=\"a-verbindungen-leitfaehige-teile\"\n       xlink:href=\"#praeventionsmassnahmen\"\n       target=\"_self\">\n      <g\n         id=\"verbindungen-leitfaehige-teile\"\n         transform=\"translate(-56.539148,32.525793)\">\n        <rect\n           style=\"fill:#f8cbad;fill-opacity:1;fill-rule:evenodd;stroke-width:0.370605\"\n           id=\"rect64700\"\n           width=\"75.315033\"\n           height=\"24.604561\"\n           x=\"88.627983\"\n           y=\"107.94888\" \/>\n        <text\n           xml:space=\"preserve\"\n           style=\"font-style:normal;font-weight:normal;font-size:5.82083px;line-height:1.25;font-family:sans-serif;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.264583\"\n           x=\"96.89592\"\n           y=\"114.60343\"\n           id=\"text64708\"><tspan\n             sodipodi:role=\"line\"\n             style=\"font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:5.82083px;font-family:Roboto;-inkscape-font-specification:'Roboto, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;stroke-width:0.264583\"\n             x=\"96.89592\"\n             y=\"114.60343\"\n             id=\"tspan8\">Raccordements<\/tspan><tspan\n             sodipodi:role=\"line\"\n             style=\"font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:5.82083px;font-family:Roboto;-inkscape-font-specification:'Roboto, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;stroke-width:0.264583\"\n             x=\"96.89592\"\n             y=\"122.09676\"\n             id=\"tspan64706\">> Parties conductrices<\/tspan><tspan\n             sodipodi:role=\"line\"\n             style=\"font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:5.82083px;font-family:Roboto;-inkscape-font-specification:'Roboto, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;stroke-width:0.264583\"\n             x=\"96.89592\"\n             y=\"129.59009\"\n             id=\"tspan9\"> pouvant \u00eatre touch\u00e9es<\/tspan><\/text>\n      <\/g>\n    <\/a>\n    <g\n       id=\"erdung\"\n       transform=\"translate(11.337855,0.40215905)\">\n      <rect\n         style=\"fill:#d78d5b;fill-opacity:1;stroke-width:0.264583\"\n         id=\"rect68868\"\n         width=\"10.575011\"\n         height=\"135.48619\"\n         x=\"4.4718194\"\n         y=\"29.593044\" \/>\n      <text\n         xml:space=\"preserve\"\n         style=\"font-style:normal;font-weight:normal;font-size:5.82083px;line-height:1.25;font-family:sans-serif;letter-spacing:3.14325px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.264583\"\n         x=\"-133.28853\"\n         y=\"12.373922\"\n         id=\"text75528\"\n         transform=\"rotate(-89.932547)\"><tspan\n           sodipodi:role=\"line\"\n           id=\"tspan75526\"\n           style=\"font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:5.82083px;font-family:Roboto;-inkscape-font-specification:'Roboto, Bold';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;stroke-width:0.264583\"\n           x=\"-133.28853\"\n           y=\"12.373922\"\n           rotate=\"0 0 0 0 0 0 0 0 0 0 0 0 0\">MISE A TERRE<\/tspan><tspan\n           sodipodi:role=\"line\"\n           style=\"font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:5.82083px;font-family:Roboto;-inkscape-font-specification:'Roboto, Bold';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;stroke-width:0.264583\"\n           x=\"-133.28853\"\n           y=\"19.867252\"\n           rotate=\"0 0 0 0 0 0 0 0 0 0 0 0 0\"\n           id=\"tspan13\" \/><\/text>\n    <\/g>\n    <g\n       id=\"standort\"\n       transform=\"translate(-3.9941406e-6,23.353423)\">\n      <rect\n         style=\"fill:#8497b0;fill-opacity:1;stroke-width:0.301763\"\n         id=\"rect113422\"\n         width=\"86.960205\"\n         height=\"18.328228\"\n         x=\"177.23787\"\n         y=\"35.119568\" \/>\n      <text\n         xml:space=\"preserve\"\n         style=\"font-style:normal;font-weight:normal;font-size:5.82083px;line-height:1.25;font-family:sans-serif;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:0.264583\"\n         x=\"217.57594\"\n         y=\"42.94936\"\n         id=\"text124966\"><tspan\n           sodipodi:role=\"line\"\n           id=\"tspan124964\"\n           style=\"font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:5.82083px;font-family:Roboto;-inkscape-font-specification:'Roboto, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:center;text-anchor:middle;fill:#ffffff;stroke-width:0.264583\"\n           x=\"217.57594\"\n           y=\"42.94936\">Emplacement de la<\/tspan><tspan\n           sodipodi:role=\"line\"\n           style=\"font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:5.82083px;font-family:Roboto;-inkscape-font-specification:'Roboto, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:center;text-anchor:middle;fill:#ffffff;stroke-width:0.264583\"\n           x=\"217.57594\"\n           y=\"50.442692\"\n           id=\"tspan124968\">distribution principale<\/tspan><\/text>\n    <\/g>\n    <g\n       id=\"frequenzumrichter\"\n       transform=\"translate(-2.4130107,49.321409)\">\n      <rect\n         style=\"fill:#8497b0;fill-opacity:1;stroke-width:0.301065\"\n         id=\"rect174205\"\n         width=\"86.558037\"\n         height=\"18.328228\"\n         x=\"180.05305\"\n         y=\"34.315228\" \/>\n      <text\n         xml:space=\"preserve\"\n         style=\"font-style:normal;font-weight:normal;font-size:5.82083px;line-height:1.25;font-family:sans-serif;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:0.264583\"\n         x=\"226.87146\"\n         y=\"42.94936\"\n         id=\"text174211\"><tspan\n           sodipodi:role=\"line\"\n           style=\"font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:5.82083px;font-family:Roboto;-inkscape-font-specification:'Roboto, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:center;text-anchor:middle;fill:#ffffff;stroke-width:0.264583\"\n           x=\"226.87146\"\n           y=\"42.94936\"\n           id=\"tspan176683\">Convertisseurs de fr\u00e9quence<\/tspan><tspan\n           sodipodi:role=\"line\"\n           style=\"font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:5.82083px;font-family:Roboto;-inkscape-font-specification:'Roboto, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:center;text-anchor:middle;fill:#ffffff;stroke-width:0.264583\"\n           x=\"226.87146\"\n           y=\"50.442692\"\n           id=\"tspan12\"> et entra\u00eenements r\u00e9gul\u00e9s<\/tspan><tspan\n           sodipodi:role=\"line\"\n           style=\"font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:5.82083px;font-family:Roboto;-inkscape-font-specification:'Roboto, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:center;text-anchor:middle;fill:#ffffff;stroke-width:0.264583\"\n           x=\"226.87146\"\n           y=\"57.93602\"\n           id=\"tspan11\" \/><\/text>\n    <\/g>\n    <g\n       id=\"geraete\"\n       transform=\"translate(2.0917972e-5,77.927431)\">\n      <rect\n         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id=\"tspan187858\">Appareils avec courant de d\u00e9faut<\/tspan><tspan\n           sodipodi:role=\"line\"\n           style=\"font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:5.82083px;font-family:Roboto;-inkscape-font-specification:'Roboto, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:center;text-anchor:middle;fill:#ffffff;stroke-width:0.264583\"\n           x=\"219.40849\"\n           y=\"44.692265\"\n           id=\"tspan10\" \/><\/text>\n    <\/g>\n    <g\n       id=\"defekte-leitungen\"\n       transform=\"translate(2.091798e-5,95.006054)\">\n      <rect\n         style=\"fill:#8497b0;fill-opacity:1;stroke-width:0.238686\"\n         id=\"rect191470\"\n         width=\"91.384071\"\n         height=\"10.911684\"\n         x=\"172.814\"\n         y=\"29.59304\" \/>\n      <text\n         xml:space=\"preserve\"\n         style=\"font-style:normal;font-weight:normal;font-size:5.82083px;line-height:1.25;font-family:sans-serif;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:0.264583\"\n         x=\"216.59331\"\n         y=\"37.601105\"\n         id=\"text191474\"><tspan\n           sodipodi:role=\"line\"\n           style=\"font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:5.82083px;font-family:Roboto;-inkscape-font-specification:'Roboto, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:center;text-anchor:middle;fill:#ffffff;stroke-width:0.264583\"\n           x=\"216.59331\"\n           y=\"37.601105\"\n           id=\"tspan191472\">Canalisations d\u00e9fectueuses<\/tspan><\/text>\n    <\/g>\n    <text\n       xml:space=\"preserve\"\n       transform=\"matrix(0.26458334,0,0,0.26458334,15.809674,29.593034)\"\n       id=\"text5\"\n       style=\"white-space:pre;shape-inside:url(#rect5);display:inline;fill:#000000\" \/>\n    <g\n       id=\"bau-und-elektroinstallation\"\n       transform=\"translate(1.297082,64.938395)\">\n      <rect\n         style=\"fill:#bfbfbf;fill-opacity:1;stroke-width:0.270522\"\n         id=\"rect91483\"\n         width=\"59.473122\"\n         height=\"59.533104\"\n         x=\"87.654045\"\n         y=\"-99.006401\"\n         transform=\"matrix(0.76256352,0.64691335,-0.76349865,0.64580942,0,0)\" \/>\n      <text\n         xml:space=\"preserve\"\n         style=\"font-style:normal;font-weight:normal;font-size:8.46667px;line-height:1.25;font-family:sans-serif;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.264583\"\n         x=\"142.77507\"\n         y=\"19.794432\"\n         id=\"text101375\"><tspan\n           sodipodi:role=\"line\"\n           style=\"font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:8.46667px;font-family:Roboto;-inkscape-font-specification:'Roboto, Bold';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:center;text-anchor:middle;stroke-width:0.264583\"\n           x=\"142.77507\"\n           y=\"19.794432\"\n           id=\"tspan101379\">Construction <\/tspan><tspan\n           sodipodi:role=\"line\"\n           style=\"font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:8.46667px;font-family:Roboto;-inkscape-font-specification:'Roboto, Bold';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:center;text-anchor:middle;stroke-width:0.264583\"\n           x=\"142.77507\"\n           y=\"30.693832\"\n           id=\"tspan4\">et<\/tspan><tspan\n           sodipodi:role=\"line\"\n           style=\"font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:8.46667px;font-family:Roboto;-inkscape-font-specification:'Roboto, Bold';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:center;text-anchor:middle;stroke-width:0.264583\"\n           x=\"142.77507\"\n           y=\"41.593235\"\n           id=\"tspan2\">Installation <\/tspan><tspan\n           sodipodi:role=\"line\"\n           style=\"font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:8.46667px;font-family:Roboto;-inkscape-font-specification:'Roboto, Bold';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:center;text-anchor:middle;stroke-width:0.264583\"\n           x=\"142.77507\"\n           y=\"52.492634\"\n           id=\"tspan5\">\u00e9lectrique<\/tspan><tspan\n           sodipodi:role=\"line\"\n           style=\"font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:8.46667px;font-family:Roboto;-inkscape-font-specification:'Roboto, Bold';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:center;text-anchor:middle;stroke-width:0.264583\"\n           x=\"142.77507\"\n           y=\"63.392036\"\n           id=\"tspan3\" \/><\/text>\n    <\/g>\n  <\/g>\n<\/svg>\n<div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:10px;margin-bottom:10px;width:100%;\"><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-3 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" id=\"fachberichte\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1144px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-7 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-5 fusion-sep-none fusion-title-text fusion-title-size-three\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.5;\"><h3>Rapports techniques<\/h3><\/h3><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:10px;margin-bottom:10px;width:100%;\"><\/div><div class=\"accordian fusion-accordian\" style=\"--awb-border-size:1px;--awb-icon-size:20px;--awb-content-font-size:18px;--awb-icon-alignment:left;--awb-hover-color:#f9f9f9;--awb-border-color:#cccccc;--awb-background-color:#ffffff;--awb-divider-color:#e0dede;--awb-divider-hover-color:#e0dede;--awb-icon-color:#6d6d6d;--awb-title-color:#f44336;--awb-content-color:#0f0f0f;--awb-icon-box-color:#7a7a7a;--awb-toggle-hover-accent-color:#e10707;--awb-title-font-family:&quot;Roboto&quot;;--awb-title-font-weight:700;--awb-title-font-style:normal;--awb-title-font-size:20px;--awb-title-line-height:1.5;--awb-content-font-family:&quot;Roboto&quot;;--awb-content-font-style:normal;--awb-content-font-weight:300;\"><div class=\"panel-group fusion-toggle-icon-unboxed\" id=\"accordion-716-2\"><div class=\"fusion-panel panel-default panel-ca22b4f4e2acf98e0 fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_ca22b4f4e2acf98e0\"><a aria-expanded=\"false\" aria-controls=\"ca22b4f4e2acf98e0\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-2\" data-target=\"#ca22b4f4e2acf98e0\" href=\"#ca22b4f4e2acf98e0\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Le circuit \u00e9lectrique<\/span><\/a><\/h4><\/div><div id=\"ca22b4f4e2acf98e0\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_ca22b4f4e2acf98e0\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Le courant \u00e9lectrique ne circule que dans un circuit ferm\u00e9. Celui-ci se compose d\u2019une source de courant (comme une pile) et d\u2019un consommateur (comme une ampoule) reli\u00e9s entre eux par des fils \u00e9lectriques. Le courant circule du p\u00f4le positif de la pile \u00e0 l\u2019ampoule et revient au p\u00f4le n\u00e9gatif.<\/p>\n<p>La quantit\u00e9 de courant qui part du p\u00f4le positif est \u00e9gale \u00e0 celle qui revient au p\u00f4le n\u00e9gatif. Pour que le courant circule, une tension est n\u00e9cessaire.<\/p>\n<p>Le circuit \u00e9lectrique peut \u00eatre compar\u00e9 \u00e0 un chauffage central. L\u2019eau chaude circule de la chaudi\u00e8re \u00e0 travers le syst\u00e8me de chauffage et revient \u00e0 la chaudi\u00e8re. Pour que l\u2019eau circule, une pompe de circulation est n\u00e9cessaire.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-587fb9584ab9563e6 fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_587fb9584ab9563e6\"><a aria-expanded=\"false\" aria-controls=\"587fb9584ab9563e6\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-2\" data-target=\"#587fb9584ab9563e6\" href=\"#587fb9584ab9563e6\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Les courants vagabonds et la mani\u00e8re dont ils parviennent \u00e0 l'animal <\/span><\/a><\/h4><\/div><div id=\"587fb9584ab9563e6\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_587fb9584ab9563e6\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Si deux points pr\u00e9sentent un potentiel \u00e9lectrique diff\u00e9rent, on peut mesurer une tension. Si ces deux points \u00e0 potentiel \u00e9lectrique diff\u00e9rent sont reli\u00e9s par un conducteur, un courant circule. Prenons un exemple : Dans la salle de traite, il peut y avoir un potentiel \u00e9lectrique diff\u00e9rent entre les \u00e9l\u00e9ments tubulaires m\u00e9talliques situ\u00e9s devant et derri\u00e8re les vaches. D\u00e8s qu\u2019une vache (consid\u00e9r\u00e9e comme conducteur) touche ces deux parties en m\u00eame temps, elle est travers\u00e9e par un courant (courant corporel) plus ou moins perceptible en fonction de sa r\u00e9sistance. Une vache pr\u00e9sente une r\u00e9sistance d\u2019environ 500 ohms. Si la tension mesur\u00e9e est de 1 volt, un courant de 2 mA circule dans son corps. Les humains ressentent qu\u2019un l\u00e9ger picotement avec un courant de cette intensit\u00e9, les vaches, en revanche, sont plus sensibles \u00e0 ces valeurs.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-01e640aadb2eaffb0 fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\" id=\"heikle-stellen-im-stall\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_01e640aadb2eaffb0\"><a aria-expanded=\"false\" aria-controls=\"01e640aadb2eaffb0\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-2\" data-target=\"#01e640aadb2eaffb0\" href=\"#01e640aadb2eaffb0\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Endroits \u00abd\u00e9licats\u00bb dans l'\u00e9table<\/span><\/a><\/h4><\/div><div id=\"01e640aadb2eaffb0\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_01e640aadb2eaffb0\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<div class=\"fusion-text fusion-text-6\">\n<p>Le courant vagabond se propage dans toutes les parties conductrices et les \u00e9l\u00e9ments m\u00e9talliques d\u2019un b\u00e2timent. Les endroits particuli\u00e8rement sensibles sont \u00e9num\u00e9r\u00e9s ci-dessous :<\/p>\n<ul>\n<li>Sols ou murs en b\u00e9ton arm\u00e9<\/li>\n<li>Charpente et autres structures m\u00e9talliques<\/li>\n<li>El\u00e9ments tubulaires :\n<ul>\n<li>Cornadis<\/li>\n<li>Logettes<\/li>\n<li>Structures m\u00e9talliques de la salle de traite<\/li>\n<li>Barri\u00e8res m\u00e9talliques<\/li>\n<\/ul>\n<\/li>\n<li>Conduites d\u2019eau m\u00e9talliques<\/li>\n<li>Conduites en inox<\/li>\n<li>les mises \u00e0 la terre qui peuvent \u00eatre d\u00e9fectueuses<\/li>\n<li>Conducteurs de protection des installations \u00e9lectriques (chauffe-eau, mixeur \u00e0 lisier, racleur, pont roulant, pompes)<\/li>\n<li>Distributeurs automatiques de concentr\u00e9s (DAC)<\/li>\n<li>Salle de traite (compteur \u00e0 lait, pulsateur, syst\u00e8me de d\u00e9crochage, portes automatiques, dispositif d\u2019identification, etc.)<\/li>\n<li>Paratonnerre<\/li>\n<li>Tous les circuits m\u00e9talliques ferm\u00e9s<\/li>\n<li>Le sol de la salle de traite, de l\u2019\u00e9table et \u00e0 l\u2019ext\u00e9rieur\n<ul>\n<li>Par exemple, les amortisseurs de vibrations doivent \u00e9galement \u00eatre mis \u00e0 la terre (exemple du syst\u00e8me de traite automatique qui doit \u00eatre plac\u00e9 sur un socle en b\u00e9ton s\u00e9par\u00e9 ou \u00e0 l\u2019int\u00e9rieur avec un rev\u00eatement en polystyr\u00e8ne).<\/li>\n<\/ul>\n<\/li>\n<li>Commande par impulsions pour cl\u00f4tures \u00e9lectriques<\/li>\n<\/ul>\n<\/div>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-95b1bc31c2c0c7e72 fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\" id=\"differenzspannungen\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_95b1bc31c2c0c7e72\"><a aria-expanded=\"false\" aria-controls=\"95b1bc31c2c0c7e72\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-2\" data-target=\"#95b1bc31c2c0c7e72\" href=\"#95b1bc31c2c0c7e72\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Situations avec des diff\u00e9rences de potentiel<\/span><\/a><\/h4><\/div><div id=\"95b1bc31c2c0c7e72\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_95b1bc31c2c0c7e72\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<h4><\/h4>\n<p><strong>Diff\u00e9rentes situations o\u00f9 des <\/strong><strong>diff\u00e9rences de potentiel peuvent appara\u00eetre :<\/strong><\/p>\n<ul>\n<li>R\u00e9seaux fortement charg\u00e9s dans le conducteur PEN<\/li>\n<li>D\u00e9fauts et courants vagabonds dans le b\u00e2timent<\/li>\n<li>Mise \u00e0 la terre du b\u00e2timent agricole meilleure que celle du poste de transformation du r\u00e9seau<\/li>\n<li>R\u00e9seau \u00e0 charge non sym\u00e9trique. Asym\u00e9trie sur le conducteur PEN<\/li>\n<li>Installations non appropri\u00e9es de la liaison \u00e9quipotentielle de protection<\/li>\n<li>Les appareils tels que les onduleurs photovolta\u00efques ou les convertisseurs de fr\u00e9quence des installations de traite avec une liaison \u00e9quipotentielle de protection inappropri\u00e9e.<\/li>\n<li>Les champs \u00e9lectriques et magn\u00e9tiques des lignes \u00e0 haute tension qui, selon la tension, peuvent entra\u00eener des tensions d\u2019induction (16 kV \u00e0 380 kV \u2013 proximit\u00e9 30-80 m)<\/li>\n<\/ul>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-d86985f1db289a362 fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\" id=\"fundamenterder\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_d86985f1db289a362\"><a aria-expanded=\"false\" aria-controls=\"d86985f1db289a362\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-2\" data-target=\"#d86985f1db289a362\" href=\"#d86985f1db289a362\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Terre de fondation<\/span><\/a><\/h4><\/div><div id=\"d86985f1db289a362\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_d86985f1db289a362\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Une installation de mise \u00e0 la terre de fondation \u2013 qu\u2019il s\u2019agisse d\u2019un b\u00e2timent existant ou d\u2019une nouvelle construction \u2013 est une condition de base pour la protection des personnes et des animaux contre les hautes tensions dangereuses ainsi que pour le fonctionnement s\u00fbr des syst\u00e8mes \u00e9lectriques dans les b\u00e2timents.<br \/>\nL\u2019\u00e9lectrode de terre de fondation est install\u00e9e sous forme d\u2019anneau ferm\u00e9 dans les fondations des murs ext\u00e9rieurs du b\u00e2timent.<br \/>\nDans les grands b\u00e2timents, il convient en outre d\u2019ins\u00e9rer des liaisons transversales afin de respecter<br \/>\nune largeur de maille maximale de 20 x 20 m.<br \/>\nPour que les tensions de contact et la r\u00e9sistance de contact \u00e0 la terre soient aussi faibles que possible, il convient de respecter une largeur de maille de 15 x 15 m. (Inspection f\u00e9d\u00e9rale des installations \u00e0 courant fort ESTI)<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-11a0746cf3d9349cf fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\" id=\"praeventionsmassnahmen\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_11a0746cf3d9349cf\"><a aria-expanded=\"false\" aria-controls=\"11a0746cf3d9349cf\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-2\" data-target=\"#11a0746cf3d9349cf\" href=\"#11a0746cf3d9349cf\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Mesures de pr\u00e9vention et d'assainissement<\/span><\/a><\/h4><\/div><div id=\"11a0746cf3d9349cf\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_11a0746cf3d9349cf\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Selon les directives de l\u2019Inspection f\u00e9d\u00e9rale des installations \u00e0 courant fort (ESTI), la norme sur les installations \u00e0 basse tension (NIBT) contient les mesures \u00e0 prendre pour \u00e9viter les courants vagabonds. Selon la norme l\u2019article 7.05.4.1.5 de cette norme, la r\u00e8gle suivante s\u2019applique : Dans les emplacements o\u00f9 se trouvent des animaux de rente, une liaison \u00e9quipotentielle de protection suppl\u00e9mentaire doit relier entre elles toutes les masses et les \u00e9l\u00e9ments conducteurs \u00e9trangers susceptibles d\u2019\u00eatre touch\u00e9s par les animaux de rente. Si existant, le grillage m\u00e9tallique pos\u00e9 dans le sol doit \u00eatre int\u00e9gr\u00e9 dans cette liaison de protection suppl\u00e9mentaire. Les \u00e9l\u00e9ments conducteurs \u00e9trangers dans ou sur le sol , par exemple le ferraillage en g\u00e9n\u00e9ral ou les fers d\u2019armement des fosses \u00e0 purin au-dessous des caillebotis doivent \u00e9galement \u00eatre int\u00e9gr\u00e9s dans cette liaison.<\/p>\n<div id=\"attachment_79\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-79\" class=\"wp-image-79 size-medium\" src=\"https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2021\/11\/Potentialausgleichskasten-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2021\/11\/Potentialausgleichskasten-200x150.jpg 200w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2021\/11\/Potentialausgleichskasten-300x225.jpg 300w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2021\/11\/Potentialausgleichskasten-400x300.jpg 400w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2021\/11\/Potentialausgleichskasten.jpg 486w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-79\" class=\"wp-caption-text\">Bo\u00eete de liaison \u00e9quipotentielle.<\/p><\/div>\n<p><strong>Installation d\u2019\u00e9clateurs de s\u00e9paration<\/strong><\/p>\n<p>Les onduleurs des installations solaires provoquent des courants de vagabonds qui peuvent se propager dans l\u2019\u00e9table et l\u2019aire de traite. Les grandes installations PV g\u00e9n\u00e8rent des courants vagabonds de quelques 100 mA.<br \/>\nPour \u00e9viter que des courants ne circulent en tant que courants vagabonds dans des endroits sensibles, il est possible d\u2019installer un \u00e9clateur de s\u00e9paration certifi\u00e9 et approuv\u00e9 par l\u2019Inspection f\u00e9d\u00e9rale des installations \u00e0 courant fort (ESTI) dans le conducteur de protection du c\u00e2ble d\u2019alimentation de l\u2019onduleur. En l\u2019absence de d\u00e9faut, cet \u00e9clateur \u00e9vite la circulation de courants vagabonds. Par contre, d\u00e8s qu\u2019un d\u00e9faut survient, l\u2019\u00e9clateur devient conducteur et le courant s\u2019\u00e9coule \u00e0 la terre garantissant, ainsi, la protection des personnes et des choses.<br \/>\nUne barre d\u2019\u00e9quipotentialit\u00e9 doit \u00eatre install\u00e9e \u00e0 proximit\u00e9 des onduleurs. La liaison \u00e9quipotentielle de protection de l\u2019onduleur y est raccord\u00e9e. La barre d\u2019\u00e9quipotentialit\u00e9 est reli\u00e9e \u00e0 l\u2019\u00e9lectrode de terre de fondation en dehors de la zone sensible ; la section du conducteur de terre doit \u00eatre, selon la taille de l\u2019installation, de 16 \u00e0 50 mm 2.<br \/>\nLes indications de l\u2019ESTI doivent \u00eatre respect\u00e9es.<br \/>\nSi des \u00e9clateurs de s\u00e9paration devaient \u00eatre install\u00e9s dans l\u2019installation de protection contre la foudre, il convient de prendre pr\u00e9alablement contact avec l\u2019assurance du b\u00e2timent ou l\u2019autorit\u00e9 de protection incendie.<br \/>\nLes \u00e9clateurs de s\u00e9paration peuvent \u00e9galement \u00eatre install\u00e9s dans les lignes de communication, comme par exemple les lignes d\u2019alimentation Swisscom et TV.<\/p>\n<p><strong>Installation de pi\u00e8ces isolantes <\/strong>(par ex. pour les conduites d\u2019eau)<\/p>\n<p>Les m\u00e9taux conduisent tr\u00e8s bien le courant \u00e9lectrique. Des courants vagabonds peuvent circuler par des conduites m\u00e9talliques \u2013 comme les conduites d\u2019eau, vacuum ou de lait.<br \/>\nSelon le type de montage, des connexions conductrices peuvent se former avec l\u2019armature en fer des murs en b\u00e9ton, des plafonds, des sols, etc.<br \/>\nLes \u00e9lectrovannes mont\u00e9es dans des conduites m\u00e9talliques et les chauffe-eau avec des conduites d\u2019eau froide et chaude en m\u00e9tal doivent \u00eatre reli\u00e9s au conducteur de protection. Des boucles peuvent ainsi se former, ce qui peut entra\u00eener un d\u00e9placement des courants vagabonds.<br \/>\nLes conduites m\u00e9talliques d\u2019eau, de chauffage \u00e0 distance, etc. provenant de l\u2019ext\u00e9rieur peuvent amener des courants vagabonds.<br \/>\nL\u2019installation de manchons isolants dans les conduites m\u00e9talliques permet d\u2019interrompre le flux de ces courants.<\/p>\n<p><strong>Distribution secondaire s\u00e9par\u00e9e pour la laiterie<\/strong><\/p>\n<p>Dans la laiterie, la salle de traite et le robot de traite, on utilise beaucoup de m\u00e9tal. Ainsi, des courants vagabonds peuvent se propager dans la zone de traite.<br \/>\nSouvent, les distributions \u00e9lectriques pour toute la grange sont plac\u00e9es \u00e0 proximit\u00e9 de la salle de traite. Il y a alors un risque que de nombreux courants vagabonds soient pr\u00e9sents dans cette salle.<br \/>\nUne distribution secondaire s\u00e9par\u00e9e, \u00e0 laquelle ne sont raccord\u00e9s que les appareils et installations \u00e9lectriques appartenant \u00e0 la laiterie, \u00e0 la salle de traite ou au robot de traite, permet de r\u00e9duire fortement les courants vagabonds dans cette zone.<br \/>\nDe plus, il est tr\u00e8s important de ne pas introduire des tuyaux conducteurs et liaisons m\u00e9talliques venant de l\u2019ext\u00e9rieur dans cette zone. Pour \u00e9viter cela, des manchons isolants doivent \u00eatre install\u00e9s sur l\u2019introduction de la conduite<br \/>\nLa liaison \u00e9quipotentielle de protection doit \u00eatre r\u00e9alis\u00e9e en forme d\u2019\u00e9toile.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-2a695bcbd32cd6d91 fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\" id=\"neubauten\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_2a695bcbd32cd6d91\"><a aria-expanded=\"false\" aria-controls=\"2a695bcbd32cd6d91\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-2\" data-target=\"#2a695bcbd32cd6d91\" href=\"#2a695bcbd32cd6d91\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Nouvelles constructions<\/span><\/a><\/h4><\/div><div id=\"2a695bcbd32cd6d91\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_2a695bcbd32cd6d91\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<div class=\"fusion-text fusion-text-12\">\n<p>La probl\u00e9matique des courants vagabonds devrait \u00eatre int\u00e9gr\u00e9e dans la planification d\u2019un nouveau b\u00e2timent d\u2019\u00e9levage. Il faut notamment tenir compte des points suivants :<\/p>\n<ul>\n<li>R\u00e9alisation d\u2019un concept de mise \u00e0 la terre (d\u00e9rivation sur le point central de mise \u00e0 la terre).<\/li>\n<li>R\u00e9alisation correcte de la liaison \u00e9quipotentielle.<\/li>\n<li>Parafoudres \/ paratonnerre<\/li>\n<li>Insertion de manchons isolants sur les conduites m\u00e9talliques venant de l\u2019ext\u00e9rieur.<\/li>\n<li>Suppression des boucles de courant dans la salle de traite.<\/li>\n<li>Ex\u00e9cution des installations \u00e9lectriques par des sp\u00e9cialistes.<\/li>\n<\/ul>\n<p><a class=\"fusion-button button-flat fusion-button-default-size button-default button-1 fusion-button-default-span fusion-button-default-type\" href=\"https:\/\/agripedia.ch\/streustroeme\/fr\/expertise-du-plan-du-batiment\/\">Faire expertiser le plan du b\u00e2timent<\/a><\/p>\n<\/div>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-6054ae098126a14d5 fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_6054ae098126a14d5\"><a aria-expanded=\"false\" aria-controls=\"6054ae098126a14d5\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-2\" data-target=\"#6054ae098126a14d5\" href=\"#6054ae098126a14d5\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Installations solaires<\/span><\/a><\/h4><\/div><div id=\"6054ae098126a14d5\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_6054ae098126a14d5\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p>Des courants vagabonds peuvent \u00e9galement p\u00e9n\u00e9trer dans l\u2019\u00e9table par le biais d\u2019installations solaires sauf si la mise \u00e0 la terre est correcte. Si vous n\u2019\u00eates pas s\u00fbr, contactez un expert.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-630 alignleft\" src=\"https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/07\/Photovoltaik-e1689344554965-300x218.png\" alt=\"\" width=\"654\" height=\"475\" srcset=\"https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/07\/Photovoltaik-e1689344554965-200x145.png 200w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/07\/Photovoltaik-e1689344554965-300x218.png 300w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/07\/Photovoltaik-e1689344554965-400x290.png 400w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/07\/Photovoltaik-e1689344554965-600x435.png 600w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/07\/Photovoltaik-e1689344554965.png 731w\" sizes=\"(max-width: 654px) 100vw, 654px\" \/><\/p>\n<p>L\u00e9gende:<\/p>\n<p>1.\u00a0 Panneaux solaires, g\u00e9n\u00e9rateur solaire<br \/>\n2.\u00a0 Coffret de raccordement du g\u00e9n\u00e9rateur ou du groupe<br \/>\n3.\u00a0 Liaison \u00e9quipotentielle du g\u00e9n\u00e9rateur solaire<br \/>\n4.\u00a0 Dispositifs de capture du syst\u00e9me LPS<br \/>\n11.\u00a0 R\u00e9cepteur ; autres installation BT dans le B\u00e2timent<br \/>\n12.\u00a0 Coffret de raccordement<br \/>\n13.\u00a0 Onduleur<br \/>\n14.\u00a0 Barre principale de mise \u00e0 la terre<br \/>\n15.\u00a0 Electrode de terre de fondation \/ \u00e9lectrode de terre boucl\u00e9e ou piquet de terre<br \/>\nT1.\u00a0 SPD Type 1<br \/>\nT2.\u00a0 SPD Type 2<br \/>\nT1 + T2.- SPD Type 1+2- En alternative, il est possible d\u2019utiliser des parafoudres monobloc en cas de longueurs de canalisationions autoris\u00e9es<\/p>\n<p>Disposition SPD<\/p>\n<p>1.\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 AC\u00a0 \u00a0 \u00a0 \u00a0 \u00a0n\u00e9cessaire *<br \/>\n2.\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0AC\u00a0 \u00a0 \u00a0 \u00a0 n\u00e9cessaire **<br \/>\n3.\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0DC\u00a0 \u00a0 \u00a0 \u00a0 n\u00e9cessaire **<br \/>\n4.\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0DC\u00a0 \u00a0 \u00a0 \u00a0 n\u00e9cessaire *<\/p>\n<p>* Mise en \u0153uvre bien accessible en cas de jonction, dans l\u2019id\u00e9al<br \/>\n**Il est possible d\u2019utiliser \u00e9galement une combinaison de parafoundres de type 1 + 2 aux points (1) e (4) \u00e0 la place d\u2019un parafoundre de type 2 aux points 2 et 3 si les longueurs de canalisations autoris\u00e9es<\/p>\n<p>Vous trouverez dans la <a title=\"liste de contr\u00f4le suivante\" href=\"https:\/\/www.vsek.ch\/download\/download\/Checkliste%20Streustr%C3%B6me%20Photovoltaik_FR.PDF\" target=\"_blank\" rel=\"noopener\">liste de contr\u00f4le suivante<\/a> les points qui doivent \u00eatre pris en compte dans le cadre de la planification, de l\u2019ex\u00e9cution et de la r\u00e9ception des installations photovolta\u00efques.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-3c78e697ebaa8afb8 fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\" id=\"messgeraete\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_3c78e697ebaa8afb8\"><a aria-expanded=\"false\" aria-controls=\"3c78e697ebaa8afb8\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-2\" data-target=\"#3c78e697ebaa8afb8\" href=\"#3c78e697ebaa8afb8\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Appareils de mesure<\/span><\/a><\/h4><\/div><div id=\"3c78e697ebaa8afb8\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_3c78e697ebaa8afb8\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<div class=\"fusion-text fusion-text-8\">\n<div id=\"attachment_385\" style=\"width: 310px\" class=\"wp-caption alignright\"><img decoding=\"async\" aria-describedby=\"caption-attachment-385\" class=\"size-medium wp-image-385\" src=\"https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2022\/08\/Niederohmiges-Messgeraet-300x277.jpg\" alt=\"Voltmeter mit Messadapter\" width=\"300\" height=\"277\" srcset=\"https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2022\/08\/Niederohmiges-Messgeraet-200x185.jpg 200w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2022\/08\/Niederohmiges-Messgeraet-300x277.jpg 300w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2022\/08\/Niederohmiges-Messgeraet-400x369.jpg 400w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2022\/08\/Niederohmiges-Messgeraet-600x554.jpg 600w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2022\/08\/Niederohmiges-Messgeraet-768x709.jpg 768w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2022\/08\/Niederohmiges-Messgeraet-800x739.jpg 800w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2022\/08\/Niederohmiges-Messgeraet-1024x946.jpg 1024w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2022\/08\/Niederohmiges-Messgeraet.jpg 1100w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-385\" class=\"wp-caption-text\">Voltm\u00e8tre avec adaptateur de mesure<\/p><\/div>\n<p>Les sp\u00e9cialistes utilisent les appareils suivants pour effectuer diff\u00e9rentes mesures dans les \u00e9tables :<\/p>\n<ul>\n<li>Amp\u00e8rem\u00e8tre \u00e0 pince pour mesurer les courants \u00e9lectriques<\/li>\n<li>Voltm\u00e8tre pour mesurer la tension<\/li>\n<li>Tellurom\u00e8tre pour d\u00e9terminer la conductivit\u00e9 du sol<\/li>\n<li>Teslam\u00e8tre (gaussm\u00e8tre, magn\u00e9tom\u00e8tre) pour la mesure des champs \u00e9lectromagn\u00e9tiques<\/li>\n<li>Appareil de mesure \u00e0 basse imp\u00e9dance pour mesurer la tension \u00e9lectrique de contact (la r\u00e9sistance interne doit avoir une valeur de 500 \u00e0 1000 ohms)<\/li>\n<\/ul>\n<p>Pour effectuer des mesures pr\u00e9cises, il convient de contacter un(e) sp\u00e9cialiste.<\/p>\n<div ><a class=\"fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-1 fusion-button-default-span fusion-button-default-type\" target=\"_self\" href=\"https:\/\/agripedia.ch\/streustroeme\/fr\/evaluation-de-votre-cas\/\"><span class=\"fusion-button-text awb-button__text awb-button__text--default\">Contacter un sp\u00e9cialiste<\/span><\/a><\/div>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:10px;margin-bottom:10px;width:100%;\"><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-4 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" id=\"symptome\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1144px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-8 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-6 fusion-sep-none fusion-title-text fusion-title-size-two\" id=\"sympt\u00f4mes\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:40;line-height:1.5;\"><h2>Courants vagabonds et liens avec les sympt\u00f4mes de l\u2019animal<\/h2><\/h2><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: 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rumination<\/tspan><tspan\n             sodipodi:role=\"line\"\n             style=\"font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:5.82083px;font-family:Roboto;-inkscape-font-specification:'Roboto, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:center;text-anchor:middle;stroke-width:0.264583\"\n             x=\"58.454979\"\n             y=\"69.639\"\n             id=\"tspan21\"> ou d'abreuvement<\/tspan><tspan\n             sodipodi:role=\"line\"\n             style=\"font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:5.82083px;font-family:Roboto;-inkscape-font-specification:'Roboto, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:center;text-anchor:middle;stroke-width:0.264583\"\n             x=\"58.454979\"\n             y=\"77.132332\"\n         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laiti\u00e8re<\/tspan><tspan\n               sodipodi:role=\"line\"\n               style=\"font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:5.82083px;font-family:Roboto;-inkscape-font-specification:'Roboto, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;text-align:center;text-anchor:middle;stroke-width:0.264583\"\n               x=\"124.39797\"\n               y=\"126.90087\"\n               id=\"tspan31\" \/><\/text>\n        <\/g>\n      <\/g>\n    <\/a>\n    <g\n       id=\"gesundheit\">\n      <rect\n         style=\"fill:#d78d5b;fill-opacity:1;stroke-width:0.193199\"\n         id=\"rect68868\"\n         width=\"10.575011\"\n         height=\"72.240395\"\n         x=\"15.72719\"\n         y=\"99.030273\" \/>\n      <text\n         xml:space=\"preserve\"\n         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        height=\"81.402672\"\n         x=\"0.41627529\"\n         y=\"93.676361\" \/>\n      <text\n         xml:space=\"preserve\"\n         style=\"font-style:normal;font-weight:normal;font-size:6.35px;line-height:1.25;font-family:sans-serif;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.264583\"\n         x=\"-157.41563\"\n         y=\"8.6976776\"\n         id=\"text62230\"\n         transform=\"rotate(-89.832322)\"><tspan\n           sodipodi:role=\"line\"\n           id=\"tspan62228\"\n           style=\"font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:6.35px;font-family:Roboto;-inkscape-font-specification:'Roboto, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;stroke-width:0.264583\"\n           x=\"-157.41563\"\n           y=\"8.6976776\">Comportement<\/tspan><\/text>\n    <\/g>\n  <\/g>\n  <g\n     inkscape:groupmode=\"layer\"\n     id=\"layer2\"\n     inkscape:label=\"Ebene 1\"\n     transform=\"translate(-0.03710858,6.3626296)\">\n    <g\n       id=\"info-melkschwierigkeiten\"\n       transform=\"translate(-27.730054,51.17606)\"\n       class=\"agri-hidden\">\n      <g\n         id=\"g78557\"\n         transform=\"translate(0,-2.6458331)\">\n        <rect\n           style=\"fill:#ffffff;fill-opacity:0.996825;stroke:#f8cbad;stroke-width:0.916875;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1\"\n           id=\"rect308\"\n           width=\"77.122887\"\n           height=\"30.302015\"\n           x=\"112.08928\"\n           y=\"-54.182304\" \/>\n        <text\n           xml:space=\"preserve\"\n           style=\"font-style:normal;font-weight:normal;font-size:3.52778px;line-height:1.25;font-family:sans-serif;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.264583\"\n           x=\"114.11472\"\n           y=\"-49.333538\"\n           id=\"text4348\"><tspan\n             sodipodi:role=\"line\"\n             id=\"tspan49473\"\n             style=\"font-style:normal;font-variant:normal;font-weight:500;font-stretch:normal;font-size:3.52778px;font-family:Roboto;-inkscape-font-specification:'Roboto, Medium';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal\"\n             x=\"114.11472\"\n             y=\"-49.333538\">Autres causes<\/tspan><tspan\n             sodipodi:role=\"line\"\n             style=\"font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:3.52778px;font-family:Roboto;-inkscape-font-specification:'Roboto, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal\"\n             x=\"114.11472\"\n             y=\"-44.792118\"\n             id=\"tspan67088\">- environnement inhabituel<\/tspan><tspan\n             sodipodi:role=\"line\"\n             id=\"tspan49475\"\n             style=\"font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:3.52778px;font-family:Roboto;-inkscape-font-specification:'Roboto, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal\"\n             x=\"114.11472\"\n             y=\"-40.250702\">- Contact<\/tspan><tspan\n             sodipodi:role=\"line\"\n             id=\"tspan49477\"\n             style=\"font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:3.52778px;font-family:Roboto;-inkscape-font-specification:'Roboto, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal\"\n             x=\"114.11472\"\n             y=\"-35.709282\">- Bruit et modification de la lumi\u00e8re<\/tspan><tspan\n             sodipodi:role=\"line\"\n             id=\"tspan49479\"\n             style=\"font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:3.52778px;font-family:Roboto;-inkscape-font-specification:'Roboto, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal\"\n             x=\"114.11472\"\n             y=\"-31.167866\">- Comportement des employ\u00e9s lors de la traite<\/tspan><tspan\n             sodipodi:role=\"line\"\n             id=\"tspan49481\"\n             style=\"font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:3.52778px;font-family:Roboto;-inkscape-font-specification:'Roboto, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal\"\n             x=\"114.11472\"\n             y=\"-26.626448\">- R\u00e9glages de la machine \u00e0 traire<\/tspan><\/text>\n        <path\n           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link.getAttribute('id');\n    showInfo(id);\n  });\n  link.addEventListener('mouseout', () => {\n    const id = link.getAttribute('id');\n    hideInfo(id);\n  });\n});\n\nfunction showInfo(id) {\n  const infoBubble = document.querySelector(`#info-${id}`);\n  if (infoBubble) {\n    infoBubble.classList.remove('agri-hidden');\n  }\n}\nfunction hideInfo(id) {\n  const infoBubble = document.querySelector(`#info-${id}`);\n  if (infoBubble) {\n    infoBubble.classList.add('agri-hidden');\n  }\n}\n<\/script><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-5 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" id=\"fachberichte\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1144px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-9 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-7 fusion-sep-none fusion-title-text fusion-title-size-three\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.5;\"><h3>Rapports techniques<\/h3><\/h3><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:10px;margin-bottom:10px;width:100%;\"><\/div><div class=\"accordian fusion-accordian\" style=\"--awb-border-size:1px;--awb-icon-size:20px;--awb-content-font-size:18px;--awb-icon-alignment:left;--awb-hover-color:#f9f9f9;--awb-border-color:#cccccc;--awb-background-color:#ffffff;--awb-divider-color:#e0dede;--awb-divider-hover-color:#e0dede;--awb-icon-color:#6d6d6d;--awb-title-color:#f44336;--awb-content-color:#0f0f0f;--awb-icon-box-color:#7a7a7a;--awb-toggle-hover-accent-color:#e10707;--awb-title-font-family:&quot;Roboto&quot;;--awb-title-font-weight:700;--awb-title-font-style:normal;--awb-title-font-size:20px;--awb-content-font-family:&quot;Roboto&quot;;--awb-content-font-style:normal;--awb-content-font-weight:300;\"><div class=\"panel-group fusion-toggle-icon-unboxed\" id=\"accordion-716-3\"><div class=\"fusion-panel panel-default panel-5be139d91f5519750 fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\" id=\"melkzeug\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_5be139d91f5519750\"><a aria-expanded=\"false\" aria-controls=\"5be139d91f5519750\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-3\" data-target=\"#5be139d91f5519750\" href=\"#5be139d91f5519750\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">D\u00e9crochage des faisceaux trayeurs (unit\u00e9s de traite) par les vaches <\/span><\/a><\/h4><\/div><div id=\"5be139d91f5519750\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_5be139d91f5519750\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p><strong>D\u00e9crochage des faisceaux trayeurs par les vaches \u2013 quel r\u00f4le peuvent jouer les courants vagabonds ?<\/strong><\/p>\n<p>Le fait que les vaches essaient de d\u00e9crocher des faisceaux trayeurs est souvent \u00e9voqu\u00e9 dans le cadre des courants vagabonds. Ce ph\u00e9nom\u00e8ne peut se produire lorsque la mamelle d\u2019une vache, qui fait office de conducteur, entre en contact avec des mat\u00e9riaux m\u00e9talliques tels que le bras du robot de traite ou le gobelet trayeur. L\u2019\u00e9quipement de la salle de traite lui-m\u00eame peut \u00e9galement pr\u00e9senter un potentiel \u00e9lectrique diff\u00e9rent (voir section \u201cComment apparaissent les courants vagabonds\u201d). Dans de nombreux cas, les courants vagabonds pendant la traite sont associ\u00e9s \u00e0 une grande agitation des animaux, \u00e0 des pi\u00e9tinements, \u00e0 une augmentation des d\u00e9f\u00e9cations dans la salle de traite, \u00e0 une traite longue ou incompl\u00e8te et \u00e0 une entr\u00e9e h\u00e9sitante dans la salle de traite. Des \u00e9tudes ont toutefois montr\u00e9 que la machine \u00e0 traire elle-m\u00eame, en raison de ses valeurs de r\u00e9sistance \u00e9lev\u00e9es, constitue une voie tr\u00e8s improbable pour la circulation d\u2019un courant probl\u00e9matique.<\/p>\n<p><strong>Autres causes de d\u00e9crochage des faisceaux trayeurs \u2013 quelles autres causes peuvent exister ?<\/strong><\/p>\n<p>Comme d\u00e9crit pr\u00e9c\u00e9demment, l\u2019agitation des animaux et le d\u00e9crochage des faisceaux trayeurs peuvent plut\u00f4t \u00eatre d\u00e9clench\u00e9s par d\u2019autres facteurs. Il s\u2019agit par exemple d\u2019un environnement inhabituel, du contact, du bruit et des changements de lumi\u00e8re pendant la traite, du comportement des employ\u00e9s lors de la traite et des r\u00e9glages de la machine \u00e0 traire. La routine de traite et le comportement du trayeur avec les vaches ont un impact important sur le d\u00e9crochage des faisceaux trayeurs (signes de vache). De m\u00eame, en ce qui concerne la d\u00e9pose des faisceaux trayeurs, il convient de v\u00e9rifier r\u00e9guli\u00e8rement le bon fonctionnement, le positionnement et le r\u00e9glage du vide du faisceau trayeur (pour contacter Bamos, cliquez <a href=\"https:\/\/bamos.ch\/ueber-uns\/\" target=\"_blank\" rel=\"noopener\">ici<\/a>\u2026..). Le vide devrait atteindre des valeurs comprises entre 35 et 40 k Pa dans le tuyau \u00e0 lait court, lorsque le d\u00e9bit de lait est plein, afin de traire rapidement tout en m\u00e9nageant la mamelle.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-20280fb1d244cb02c fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\" id=\"mastitis\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_20280fb1d244cb02c\"><a aria-expanded=\"false\" aria-controls=\"20280fb1d244cb02c\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-3\" data-target=\"#20280fb1d244cb02c\" href=\"#20280fb1d244cb02c\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Courants vagabonds et mammites<\/span><\/a><\/h4><\/div><div id=\"20280fb1d244cb02c\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_20280fb1d244cb02c\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p><strong>Mammites \u2013 quel r\u00f4le peuvent jouer les courants vagabonds ?<\/strong><\/p>\n<p>De nombreuses fonctions dans le corps se d\u00e9roulent lors de r\u00e9actions biochimiques par le biais de liaisons non covalentes. Cela signifie qu\u2019il n\u2019y a pas de liaisons chimiques au sens propre du terme, mais que des mol\u00e9cules se fixent en raison des charges positives et n\u00e9gatives qui sont dirig\u00e9es vers l\u2019ext\u00e9rieur \u00e0 certains endroits de la mol\u00e9cule. La forme des mol\u00e9cules joue ici un r\u00f4le important (conformation st\u00e9rique ou tridimensionnelle). De telles formations non covalentes existent par exemple entre l\u2019antig\u00e8ne et l\u2019anticorps, c\u2019est-\u00e0-dire entre un agent pathog\u00e8ne et un corps de d\u00e9fense, ou lors de la liaison de l\u2019oxyg\u00e8ne dans le sang avec le colorant rouge du sang, l\u2019h\u00e9moglobine. Si des champs \u00e9lectriques occasionnent la circulation de courants vagabonds dans le corps, ils peuvent perturber la formation des liaisons non covalentes au niveau du syst\u00e8me immunitaire, ce qui entra\u00eene une augmentation des mammites.<\/p>\n<p><strong>Autres causes de mammites \u2013 quelles peuvent \u00eatre les autres causes ?<\/strong><\/p>\n<p>Les courants vagabonds sont rarement la premi\u00e8re cause de mammites, c\u2019est pourquoi il faut toujours clarifier au pr\u00e9alable si d\u2019autres facteurs entrent en ligne de compte, comme par exemple :<\/p>\n<ul>\n<li>Nettoyage de la mamelle,<\/li>\n<li>d\u00e9fauts techniques (pulsation efficace, stimulation suffisante, stabilit\u00e9 du vide),<\/li>\n<li>alimentation adapt\u00e9e \u00e0 la production laiti\u00e8re,<\/li>\n<li>environnement (stress, hygi\u00e8ne de l\u2019\u00e9table),<\/li>\n<li>blessures (pr\u00e9vention, traitements),<\/li>\n<li>processus de traite (d\u00e9roulement),<\/li>\n<li>ordre de traite (vaches saines, malades, trait\u00e9es),<\/li>\n<li>\u00e9tat des trayons,<\/li>\n<li>d\u00e9tection d\u2019agents pathog\u00e8nes et bien d\u2019autres facteurs encore.<\/li>\n<\/ul>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-b7a0408b5a9e92a74 fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\" id=\"fruchtbarkeit\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_b7a0408b5a9e92a74\"><a aria-expanded=\"false\" aria-controls=\"b7a0408b5a9e92a74\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-3\" data-target=\"#b7a0408b5a9e92a74\" href=\"#b7a0408b5a9e92a74\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Courants vagabonds et probl\u00e8mes de fertilit\u00e9<\/span><\/a><\/h4><\/div><div id=\"b7a0408b5a9e92a74\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_b7a0408b5a9e92a74\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p><strong>Probl\u00e8mes de fertilit\u00e9 \u2013 quel r\u00f4le peuvent jouer les courants vagabonds ?<\/strong><\/p>\n<p>Comme nous l\u2019avons d\u00e9j\u00e0 mentionn\u00e9 dans la section sur les mammites, les courants vagabonds peuvent modifier les d\u00e9fenses immunitaires de telle sorte que les infections peuvent se multiplier. Ce m\u00e9canisme peut \u00e9galement s\u2019appliquer aux inflammations de l\u2019ut\u00e9rus (m\u00e9trites). Il convient toutefois de noter qu\u2019aucune \u00e9tude n\u2019a pu \u00e9tablir un lien r\u00e9el et directement causal entre les infections ut\u00e9rines et l\u2019exposition aux courants vagabonds. Les courants vagabonds comme cause directe de probl\u00e8mes de fertilit\u00e9 sont extr\u00eamement rares.<\/p>\n<p><strong>Autres raisons des probl\u00e8mes de fertilit\u00e9 \u2013 quelles autres causes peuvent exister ?<\/strong><\/p>\n<p>En cas de probl\u00e8mes de fertilit\u00e9, il faut d\u2019abord analyser pr\u00e9cis\u00e9ment dans quel domaine se situe le probl\u00e8me. Les vaches ne viennent-elles pas en chaleur, sont-elles r\u00e9guli\u00e8rement en chaleur mais pas gestantes, ou est-ce qu\u2019on observe une augmentation des avortements ou des mort-n\u00e9s ?<\/p>\n<p>Si l\u2019on conna\u00eet le domaine qui pose probl\u00e8me, il y a diff\u00e9rentes causes et facteurs de risque \u00e0 clarifier. Les plus importants sont :<\/p>\n<ul>\n<li>L\u2019hygi\u00e8ne lors du v\u00ealage,<\/li>\n<li>la pr\u00e9sence accrue de fi\u00e8vre de lait,<\/li>\n<li>l\u2019approvisionnement en \u00e9nergie pendant la phase de d\u00e9marrage,<\/li>\n<li>les probl\u00e8mes de boiterie ou les probl\u00e8mes de d\u00e9tention en cas de chaleurs discr\u00e8tes,<\/li>\n<li>l\u2019observation des chaleurs,<\/li>\n<li>y compris le fonctionnement des syst\u00e8mes d\u2019aide \u00e0 la d\u00e9tection, etc.<\/li>\n<\/ul>\n<p>Si les vaches sont r\u00e9guli\u00e8rement expos\u00e9es \u00e0 des courants vagabonds au niveau des abreuvoirs ou de l\u2019aire d\u2019alimentation, une diminution de l\u2019ingestion de nourriture et\/ou d\u2019eau peut se produire. Celle-ci peut entra\u00eener un manque d\u2019\u00e9nergie et, par cons\u00e9quent, des probl\u00e8mes de fertilit\u00e9.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-75878ced9815550d6 fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\" id=\"wasseraufnahme\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_75878ced9815550d6\"><a aria-expanded=\"false\" aria-controls=\"75878ced9815550d6\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-3\" data-target=\"#75878ced9815550d6\" href=\"#75878ced9815550d6\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Modification de l\u2019abreuvement<\/span><\/a><\/h4><\/div><div id=\"75878ced9815550d6\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_75878ced9815550d6\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p><strong>Modification de l\u2019abreuvement \u2013 quel r\u00f4le peuvent jouer les courants vagabonds ?<\/strong><\/p>\n<p>L\u2019apparition de courants vagabonds \u00e0 l\u2019abreuvoir entra\u00eene une diminution de la quantit\u00e9 \u00a0d\u2019eau bue, qui peut se traduire par une baisse de la production laiti\u00e8re. Dans ce cas, il est possible que le courant vagabond p\u00e9n\u00e8tre dans le b\u00e2timent par la conduite d\u2019alimentation en eau et atteigne ainsi l\u2019abreuvoir. Les animaux \u00e9vitent les abreuvoirs concern\u00e9s et, s\u2019il y en a, fr\u00e9quentent davantage les abreuvoirs non probl\u00e9matiques, car le courant les traverse en raison de la moindre r\u00e9sistance dans la vache. En raison de la diminution de l\u2019eau bue, les animaux concern\u00e9s pr\u00e9sentent des f\u00e8ces avec une consistance plus ferme et, dans la plupart des cas, une consommation d\u2019aliments plus faible.<\/p>\n<p><strong>Autres raisons d\u2019une modification de l\u2019abreuvement \u2013 quelles autres causes peuvent exister ?<\/strong><\/p>\n<p>Diff\u00e9rents facteurs peuvent avoir une influence sur l\u2019ingestion d\u2019eau et entra\u00eener une r\u00e9duction de la quantit\u00e9 d\u2019eau bue. Ainsi, une mauvaise qualit\u00e9 de l\u2019eau, une mauvaise hygi\u00e8ne des abreuvoirs et des canalisations, un faible d\u00e9bit ou un nombre insuffisant d\u2019abreuvoirs peuvent avoir un effet n\u00e9gatif sur l\u2019ingestion d\u2019eau.<br \/>\nLe nombre et le positionnement des abreuvoirs sont tr\u00e8s importants. Ainsi, les abreuvoirs devraient \u00eatre disponibles en quantit\u00e9 suffisante et ne pas \u00eatre construits en cul-de-sac en vue de la hi\u00e9rarchie au sein du troupeau.<br \/>\nLes courants vagabonds sont rares en cas de diminution de l\u2019ingestion d\u2019eau par rapport<br \/>\naux autres causes d\u00e9crites. C\u2019est pourquoi les causes \u00e9num\u00e9r\u00e9es devraient \u00eatre consid\u00e9r\u00e9es et exclues en priorit\u00e9 par des mesures, une am\u00e9lioration de l\u2019hygi\u00e8ne et des analyses de l\u2019eau.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-b98e9b27137d8757a fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\" id=\"futteraufnahme\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_b98e9b27137d8757a\"><a aria-expanded=\"false\" aria-controls=\"b98e9b27137d8757a\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-3\" data-target=\"#b98e9b27137d8757a\" href=\"#b98e9b27137d8757a\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Modification de l\u2019ingestion d'aliments<\/span><\/a><\/h4><\/div><div id=\"b98e9b27137d8757a\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_b98e9b27137d8757a\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p><strong>Modification de l\u2019ingestion d\u2019aliments \u2013 quel r\u00f4le peuvent jouer les courants vagabonds ?<\/strong><\/p>\n<p>Si des courants vagabonds apparaissent au cornadis ou dans les syst\u00e8mes de distribution des concentr\u00e9s, il est fait \u00e9tat d\u2019une diminution de l\u2019ingestion d\u2019aliments dans le b\u00e2timent et d\u2019une augmentation de l\u2019ingestion d\u2019aliments au p\u00e2turage. Cela s\u2019explique par le fait que les animaux \u00e9vitent le cornadis ou le syst\u00e8me de distribution des concentr\u00e9s et n\u2019ont donc pas acc\u00e8s \u00e0 la nourriture. Si les courants vagabonds n\u2019apparaissent que dans une certaine section du cornadis\/du syst\u00e8me de distribution des concentr\u00e9s, il est possible que les animaux refusent de manger dans ces sections (p. ex. les 10 premi\u00e8res places d\u2019alimentation du c\u00f4t\u00e9 gauche) malgr\u00e9 la pr\u00e9sence de nourriture. De plus, les courants vagabonds au niveau du syst\u00e8me de distribution des concentr\u00e9s sont souvent associ\u00e9s \u00e0 des animaux agit\u00e9s.<\/p>\n<p><strong>Autres raisons d\u2019une modification du comportement alimentaire \u2013 quelles autres causes peuvent exister ?<\/strong><\/p>\n<p>Par rapport \u00e0 d\u2019autres causes, les courants vagabonds ne sont que rarement \u00e0 l\u2019origine d\u2019une diminution de la consommation d\u2019aliments. Les causes suivantes peuvent plut\u00f4t \u00eatre \u00e0 l\u2019origine d\u2019une diminution de la consommation d\u2019aliments et devraient donc \u00eatre consid\u00e9r\u00e9es en priorit\u00e9 :<\/p>\n<ul>\n<li>Teneur en mati\u00e8re s\u00e8che de la ration (trop humide\/sec -> exception : ration \u00e0 base de fourrage sec)<\/li>\n<li>Une teneur \u00e9lev\u00e9e en cendres brutes ou une autre forme de contamination de la ration<\/li>\n<li>Teneur d\u00e9s\u00e9quilibr\u00e9e en min\u00e9raux<\/li>\n<li>Manque d\u2019app\u00e9tence de la ration<\/li>\n<li>Echauffement de la ration sur la table d\u2019alimentation<\/li>\n<li>Mauvais m\u00e9lange de la ration<\/li>\n<li>Changement dans la composition de la ration<\/li>\n<li>La ration n\u2019est pas repouss\u00e9e assez fr\u00e9quemment<\/li>\n<li>Il n\u2019y a pas assez fr\u00e9quemment de ration fra\u00eeche propos\u00e9e aux vaches<\/li>\n<li>Consommation d\u2019eau trop faible (voir <a href=\"https:\/\/agripedia.ch\/streustroeme\/fr\/fachinformationen\/#wasseraufnahme\" target=\"_blank\" rel=\"noopener\">modification de l\u2019abreuvement<\/a>)<\/li>\n<li>Les vaches sont perturb\u00e9es par le racleur lorsqu\u2019elles mangent<\/li>\n<li>Pas assez de places au cornadis (comp\u00e9tition pour l\u2018acc\u00e8s \u00e0 la ration)<\/li>\n<li>Ration trop riche en \u00e9nergie -> probl\u00e8mes m\u00e9taboliques et donc diminution de l\u2019ingestion d\u2019aliments comme mesure de protection<\/li>\n<li>Facteurs de perturbation au cornadis (par ex. bruits aigus)<\/li>\n<li>Cornadis mont\u00e9 de mani\u00e8re inappropri\u00e9e (par ex. trop haut, points de pression)<\/li>\n<li>Le cornadis ne convient pas aux animaux \u00e0 cornes<\/li>\n<li>Blessures des animaux (m\u00eame pass\u00e9es, p. ex. lorsqu\u2019une vache est rest\u00e9e coinc\u00e9e)<\/li>\n<li>Peu de possibilit\u00e9s de fuite pour les animaux de rang inf\u00e9rieur<\/li>\n<\/ul>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-55b711fb2a8bf37bf fusion-toggle-no-divider fusion-toggle-boxed-mode\" style=\"--awb-title-color:#f44336;--awb-content-color:#0f0f0f;\" id=\"milchleistung\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_55b711fb2a8bf37bf\"><a aria-expanded=\"false\" aria-controls=\"55b711fb2a8bf37bf\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-716-3\" data-target=\"#55b711fb2a8bf37bf\" href=\"#55b711fb2a8bf37bf\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon awb-icon-minus\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon awb-icon-plus\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Modification de la production laiti\u00e8re<\/span><\/a><\/h4><\/div><div id=\"55b711fb2a8bf37bf\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_55b711fb2a8bf37bf\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p><strong>R\u00e9duction de la production laiti\u00e8re \u2013 quel r\u00f4le peuvent jouer les courants vagabonds ?<\/strong><\/p>\n<p>Une diminution de la production laiti\u00e8re du troupeau est souvent signal\u00e9e en cas de courants vagabonds. La diminution de la production laiti\u00e8re du troupeau est un sympt\u00f4me secondaire. Selon l\u2019endroit o\u00f9 les courants vagabonds apparaissent, la r\u00e9duction de la production peut avoir diff\u00e9rentes causes.<\/p>\n<p>Ainsi, l\u2019apparition de courants vagabonds au cornadis et aux abreuvoirs peut r\u00e9duire l\u2019ingestion d\u2019aliments et d\u2019eau, ce qui se traduit \u00e0 son tour par une diminution de la production.<br \/>\nL\u2019apparition de courants vagabonds dans les logettes affecte le comportement de rumination. Les animaux \u00e9vitent g\u00e9n\u00e9ralement les logettes concern\u00e9es et pr\u00e9sentent une activit\u00e9 de rumination r\u00e9duite, ce qui diminue \u00e9galement la d\u00e9composition m\u00e9canique du fourrage par la rumination. Dans les logettes concern\u00e9es, on observe que les animaux ruminent davantage en position debout.<br \/>\nSi des courants vagabonds apparaissent dans la salle de traite, les animaux sont souvent tr\u00e8s agit\u00e9s avant et pendant la traite et \u00e9vitent la salle de traite. Le stress qui en r\u00e9sulte emp\u00eache la mamelle d\u2019\u00eatre traite et les animaux retiennent leur lait. En m\u00eame temps, il peut arriver que les faisceaux trayeurs se d\u00e9crochent plus souvent, ce qui rend la traite difficile.<\/p>\n<p><strong>Autres raisons d\u2019une baisse de la production laiti\u00e8re \u2013 quelles peuvent \u00eatre les autres causes ?<\/strong><\/p>\n<p>La baisse de la production laiti\u00e8re est influenc\u00e9e par une grande vari\u00e9t\u00e9 de facteurs et constitue un bon indicateur d\u2019un changement dans l\u2019environnement des animaux. Les changements brusques de la production laiti\u00e8re de l\u2019ensemble du troupeau sont souvent dus \u00e0 des modifications de l\u2019alimentation (fourrage et eau), \u00e0 des \u00e9v\u00e9nements infectieux et \u00e0 des modifications du troupeau, de l\u2019environnement et de la technique. Les courants vagabonds sont rarement la premi\u00e8re cause d\u2019une baisse de la production laiti\u00e8re. C\u2019est pourquoi il faut toujours v\u00e9rifier imm\u00e9diatement si d\u2019autres causes peuvent entrer en ligne de compte. Les points suivants doivent \u00eatre consid\u00e9r\u00e9s en priorit\u00e9 en cas de baisse de la production laiti\u00e8re. Il est important de voir si la baisse de la production laiti\u00e8re et l\u2019un des points suivants correspondent \u00e0 la m\u00eame p\u00e9riode ou \u00e0 une p\u00e9riode l\u00e9g\u00e8rement d\u00e9cal\u00e9e :<\/p>\n<p><strong>Alimentation<\/strong><\/p>\n<ul>\n<li>la ration est-elle suffisamment humide (sauf pour les rations \u00e0 base de fourrage sec) ?<\/li>\n<li>la ration couvre-t-elle les besoins des animaux dans tous les domaines ?<\/li>\n<li>la ration favorise-t-elle la rumination ?<\/li>\n<li>les animaux mangent-ils suffisamment ou y a-t-il davantage de restes \u00e0 la cr\u00e8che ?<\/li>\n<li>l\u2019eau d\u2019abreuvement est-elle de bonne qualit\u00e9 (eau potable) ?<\/li>\n<li>l\u2019eau est-elle disponible en quantit\u00e9 suffisante ?<\/li>\n<li>L\u2019apport en min\u00e9raux et oligo-\u00e9l\u00e9ments est-il adapt\u00e9 aux vaches et \u00e0 leur production laiti\u00e8re ?<\/li>\n<li>\u2026<\/li>\n<\/ul>\n<p>Voir aussi le rapport technique <a href=\"https:\/\/agripedia.ch\/streustroeme\/fr\/fachinformationen\/#futteraufnahme\" target=\"_blank\" rel=\"noopener\">\u201cVariation de la consommation de nourriture\u201d<\/a>, <a href=\"https:\/\/agripedia.ch\/streustroeme\/fr\/fachinformationen\/#wasseraufnahme\" target=\"_blank\" rel=\"noopener\">\u201cVariation de la consommation d\u2019eau\u201d<\/a>.<\/p>\n<p><strong>\u00c9v\u00e9nements infectieux<\/strong><\/p>\n<ul>\n<li>y a-t-il une infestation parasitaire dans le troupeau ?<\/li>\n<li>y a-t-il une infection virale dans le troupeau ?<\/li>\n<li>existe-t-il une infection bact\u00e9rienne dans le troupeau ?<\/li>\n<li>les probl\u00e8mes d\u2019onglons sont-ils plus fr\u00e9quents ?<\/li>\n<li>\u2026<\/li>\n<\/ul>\n<p><strong>Environment<\/strong><\/p>\n<ul>\n<li>une hygi\u00e8ne suffisante des animaux, de l\u2019alimentation, de la traite et de l\u2019\u00e9table est-elle mise en \u0153uvre ?<\/li>\n<li>y a-t-il eu des changements plus importants de temp\u00e9rature et d\u2019humidit\u00e9 dans l\u2019\u00e9table ?<\/li>\n<li>l\u2019\u00e9table a-t-elle \u00e9t\u00e9 r\u00e9am\u00e9nag\u00e9e, ce qui a stress\u00e9 les animaux ou a n\u00e9cessit\u00e9 une r\u00e9adaptation ?<\/li>\n<li>Un grand nombre d\u2019animaux ont-ils \u00e9t\u00e9 int\u00e9gr\u00e9s dans le troupeau ou s\u00e9par\u00e9s ?<\/li>\n<li>les animaux se t\u00e8tent-ils mutuellement ?<\/li>\n<\/ul>\n<p><strong>Technique \u2013 Infrastructure<\/strong><\/p>\n<ul>\n<li>existe-t-il un vide suffisant au niveau de l\u2019installation de traite ?<\/li>\n<li>y a-t-il une pulsation efficace au niveau de l\u2019installation de traite ?<\/li>\n<li>L\u2019installation de traite est-elle entretenue r\u00e9guli\u00e8rement ?<\/li>\n<li>Les aliments sont-ils bien m\u00e9lang\u00e9s ou les couteaux de la m\u00e9langeuse sont-ils aiguis\u00e9s ?<\/li>\n<li>Le cornadis est-il adapt\u00e9 aux besoins des animaux ?<\/li>\n<li>Les installations de l\u2019\u00e9table (logettes, barres de nuque, etc.) sont-elles adapt\u00e9es \u00e0 la taille des animaux ?<\/li>\n<li>\u2026<\/li>\n<\/ul>\n<p>Outre ces points, il convient d\u2019analyser plus en d\u00e9tail tous les changements intervenus dans et autour de l\u2019\u00e9table depuis l\u2019apparition de la baisse de production laiti\u00e8re.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:10px;margin-bottom:10px;width:100%;\"><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-6 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1144px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-10 fusion_builder_column_1_4 1_4 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:25%;--awb-margin-top-large:0px;--awb-spacing-right-large:7.68%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:7.68%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div ><a class=\"fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-2 fusion-button-default-span fusion-button-default-type\" target=\"_self\" href=\"https:\/\/agripedia.ch\/streustroeme\/fr\/erfahrungsberichte\/\"><span class=\"fusion-button-text awb-button__text awb-button__text--default\">Temoignages<\/span><\/a><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-11 fusion_builder_column_1_4 1_4 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:25%;--awb-margin-top-large:0px;--awb-spacing-right-large:7.68%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:7.68%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div ><a class=\"fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-3 fusion-button-default-span fusion-button-default-type\" target=\"_self\" href=\"https:\/\/agripedia.ch\/streustroeme\/fr\/auto-diagnostic-et-prevention\/\"><span class=\"fusion-button-text awb-button__text awb-button__text--default\">Pour l\u2019autodiagnostic<\/span><\/a><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-12 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-8 fusion-sep-none fusion-title-text fusion-title-size-three\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.5;\">Un projet de :<\/h3><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-7 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1144px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-13 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"wp-block-image\"><figure class=\"wp-block-image alignleft size-large is-resized\"><a href=\"https:\/\/www.agridea.ch\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/agripedia.ch\/alpwirtschaft\/wp-content\/uploads\/sites\/46\/2022\/10\/AGRIDEA_4_LANGUES_RGB-1024x210.png\" alt=\"Logo AGRIDEA\" class=\"wp-image-909\" width=\"341\" height=\"100\"><\/a><\/figure><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-14 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-3 hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"64\" title=\"logo_VSEK_ASCE_mit_zusatz_farbig_rgb\" src=\"https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/09\/logo_VSEK_ASCE_mit_zusatz_farbig_rgb-300x64.png\" alt class=\"img-responsive wp-image-889\" srcset=\"https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/09\/logo_VSEK_ASCE_mit_zusatz_farbig_rgb-200x43.png 200w, 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style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-4 hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"137\" title=\"WBF_OFAG_F_P485u_pos_hoch\" src=\"https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/10\/WBF_OFAG_F_P485u_pos_hoch-300x137.jpg\" alt class=\"img-responsive wp-image-951\" srcset=\"https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/10\/WBF_OFAG_F_P485u_pos_hoch-200x92.jpg 200w, 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class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-5 hover-type-none\"><img decoding=\"async\" width=\"300\" height=\"131\" title=\"Franzoesisch_Hoch_Positiv\" src=\"https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/10\/Franzoesisch_Hoch_Positiv-300x131.jpg\" alt class=\"img-responsive wp-image-956\" srcset=\"https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/10\/Franzoesisch_Hoch_Positiv-200x88.jpg 200w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/10\/Franzoesisch_Hoch_Positiv-400x175.jpg 400w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/10\/Franzoesisch_Hoch_Positiv-600x263.jpg 600w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/10\/Franzoesisch_Hoch_Positiv-800x351.jpg 800w, https:\/\/agripedia.ch\/streustroeme\/wp-content\/uploads\/sites\/40\/2023\/10\/Franzoesisch_Hoch_Positiv-1200x526.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 600px\" \/><\/span><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-17 fusion_builder_column_1_3 1_3 fusion-flex-column\" 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