{"id":2399,"date":"2023-11-29T09:01:17","date_gmt":"2023-11-29T08:01:17","guid":{"rendered":"https:\/\/www.rumexperts.vet\/?post_type=training&#038;p=2399"},"modified":"2024-03-22T19:32:39","modified_gmt":"2024-03-22T18:32:39","slug":"et-si-on-evaluait-plus-systematiquement-la-calcemie-au-cours-de-la-semaine-suivant-le-velage","status":"publish","type":"training","link":"https:\/\/www.rumexperts.vet\/en\/training\/et-si-on-evaluait-plus-systematiquement-la-calcemie-au-cours-de-la-semaine-suivant-le-velage","title":{"rendered":"Et si on \u00e9valuait plus syst\u00e9matiquement la calc\u00e9mie avant le v\u00ealage ?"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 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:1248px;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-text fusion-text-1\"><p>LE SAVIEZ-VOUS\u00a0?<\/p>\n<p>Les besoins en Ca augmentent de 65 % une fois la lactation d\u00e9clench\u00e9e.<\/p>\n<p>La calc\u00e9mie devrait \u00eatre normale au bout de 2 \u00e0 3 jours.<\/p>\n<p>5 % des vaches laiti\u00e8res font une hypocalc\u00e9mie clinique (&lt;60 mg\/L\u00a0) mais 50 % des vaches \u00e0 plus de 2 lactations font une hypocalc\u00e9mie subclinique (&lt; 80 mg\/L) (Goff et al. 2008).<\/p>\n<p>L\u2019hypocalc\u00e9mie s\u2019accompagne d\u2019une augmentation du risque de r\u00e9tention placentaire, de mammite, de m\u00e9trite puerp\u00e9rale, d\u2019anoestrus, de d\u00e9placement de caillette, de c\u00e9tose (Rodriguez et al. 2017)<\/p>\n<p>LEUR HYPOTHESE<\/p>\n<p>Une hypocalc\u00e9mie augmente le risqued\u2019endom\u00e9trite clinique.<\/p>\n<p>COMMENT ONT-ILS FAIT\u00a0?<\/p>\n<p>Soit 404 vaches laiti\u00e8res de 3 troupeaux produisant en moyenne 8876 \u00b1 2015 kg en 305 jours.<\/p>\n<p>Le constat d\u2019endom\u00e9trite a \u00e9t\u00e9 pos\u00e9 au moyen d\u2019un Metricheck 35 \u00b1 3 jours apr\u00e8s le v\u00ealage. Un score a \u00e9t\u00e9 attribu\u00e9 selon Mac Dougall et al. 2007) : 0 si aucun \u00e9coulement n\u2019est visible, 1 si mucus, 2 si flocons de pus, 3 si \u00e9coulement muco-purulent avec &lt; 50 % de pus, 4 si \u00e9coulement muco-purulent avec &gt; 50 % de pus et 5 \u00e9coulement muco-purulent avec &gt; 50 % de pus et odorant. Les animaux pr\u00e9sentant une hypocalc\u00e9mie clinique ou une m\u00e9trite clinique\/puerp\u00e9rale n\u2019ont pas \u00e9t\u00e9 consid\u00e9r\u00e9es.<\/p>\n<p>Le seuil de \u22657 mg\/dL (\u22651.75 mmol\/L) a \u00e9t\u00e9 utilis\u00e9 pour qualifier une hypocalc\u00e9mie s\u00e9rique subclinique sur base d\u2019un pr\u00e9l\u00e8vement r\u00e9alis\u00e9 au cours de la 1<sup>\u00e8re<\/sup> semaine du postpartum.<\/p>\n<p>LEURS OBSERVATIONS<\/p>\n<p>La calc\u00e9mie moyenne a \u00e9t\u00e9 de 7.62 \u00b1 1.30 mg\/dl (7.07 \u00b1 1.44 \u00e0 8.06 \u00b1 1.21 selon les 3 troupeaux) et 29 % des vaches avaient une calc\u00e9mie &lt; 7 mg\/dl.\u00a0 Respectivement 17 et 12 % de ces vaches ont eu un score vaginal\u00a0 \u2265 3 et \u2265 2.<\/p>\n<p>67 (52 \u00e0 74 % selon les troupeaux) et 22\u00a0 % (17 \u00e0 29 % selon les troupeaux) des vaches ont eu un score vaginal respectivement \u2265 2 et \u00e0\u00a0 \u2265 3.<\/p>\n<p>Une calc\u00e9mie &lt; 7mg\/dl multiplie par 1,2 et 1,9 le risque d\u2019avoir une endom\u00e9trite de score \u2265 2 et \u00e0\u00a0 \u2265 3.<\/p>\n<p>A NE PAS OUBLIER<\/p>\n<p>L\u2019infertilit\u00e9 est imputable aux endom\u00e9trites cliniques. Les endom\u00e9trites cliniques peuvent \u00eatre la cons\u00e9quence d\u2019une hypocalc\u00e9mie qui entra\u00eene une r\u00e9duction de l\u2019activit\u00e9 des neutrophiles et du myom\u00e8tre.<\/p>\n<\/div><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-1 hover-type-none\"><img decoding=\"async\" width=\"800\" height=\"600\" title=\"Vaches au Val d&#8217;Aran\" src=\"https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/11\/Vaches-au-Val-dAran.jpg\" data-orig-src=\"https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/11\/Vaches-au-Val-dAran-800x600.jpg\" alt class=\"lazyload img-responsive wp-image-2401\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271280%27%20height%3D%27960%27%20viewBox%3D%270%200%201280%20960%27%3E%3Crect%20width%3D%271280%27%20height%3D%27960%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/11\/Vaches-au-Val-dAran-200x150.jpg 200w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/11\/Vaches-au-Val-dAran-400x300.jpg 400w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/11\/Vaches-au-Val-dAran-600x450.jpg 600w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/11\/Vaches-au-Val-dAran-800x600.jpg 800w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/11\/Vaches-au-Val-dAran-1200x900.jpg 1200w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/11\/Vaches-au-Val-dAran.jpg 1280w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 640px) 100vw, 1200px\" \/><\/span><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":20,"featured_media":2400,"template":"","keyword":[],"theme":[88,142,59],"class_list":["post-2399","training","type-training","status-publish","has-post-thumbnail","hentry","theme-alimentation","theme-production-laitiere","theme-reproduction-en"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/training\/2399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/training"}],"about":[{"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/types\/training"}],"author":[{"embeddable":true,"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/users\/20"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/media\/2400"}],"wp:attachment":[{"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/media?parent=2399"}],"wp:term":[{"taxonomy":"keyword","embeddable":true,"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/keyword?post=2399"},{"taxonomy":"theme","embeddable":true,"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/theme?post=2399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}