{"id":2163,"date":"2023-10-09T11:12:21","date_gmt":"2023-10-09T09:12:21","guid":{"rendered":"https:\/\/www.rumexperts.vet\/?post_type=training&#038;p=2163"},"modified":"2024-03-16T10:03:34","modified_gmt":"2024-03-16T09:03:34","slug":"mais-de-quoi-depend-lesperance-de-vie-dun-veau-laitier","status":"publish","type":"training","link":"https:\/\/www.rumexperts.vet\/en\/training\/mais-de-quoi-depend-lesperance-de-vie-dun-veau-laitier","title":{"rendered":"MAIS DE QUOI DEPEND L\u2019ESPERANCE DE VIE D\u2019UN VEAU LAITIER ?"},"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>REFERENCE\u00a0: \u00a0Dallago GM et al. Birth conditions affect the longevity of Holstein offspring. J. Dairy Sci. 2022, 105:1255\u20131264 <a href=\"https:\/\/doi.org\/10.3168\/jds.2021-20214\">https:\/\/doi.org\/10.3168\/jds.2021-20214<\/a><\/p>\n<p>Int\u00e9ressante cette \u00e9tude qui met en perspective les effets de la dystocie, de la taille du veau\u00a0 et de la g\u00e9mellit\u00e9 sur la long\u00e9vit\u00e9 (intervalle entre la naissance et la r\u00e9forme\u00a0: NR) et la dur\u00e9e de vie productive (intervalle entre le 1<sup>er<\/sup> v\u00ealage et la r\u00e9forme\u00a0: V1R) de la descendance dans 5425 troupeaux laitiers qu\u00e9b\u00e9cois entre 1999 et 2015.<\/p>\n<p>Les NR et V1R ont \u00e9t\u00e9 respectivement de 3,53 et 1,98 ann\u00e9e.<\/p>\n<p>Les r\u00e9sultats de l\u2019analyse combinatoire des trois param\u00e8tres \u00e9tudi\u00e9s sont pr\u00e9sent\u00e9s dans la figure ci-jointe. Ils peuvent \u00eatre analys\u00e9s \u00e0 la lumi\u00e8re des faits suivants rapport\u00e9s dans la litt\u00e9rature.<\/p>\n<p>La r\u00e9duction du poids du veau \u00e0 la naissance hypoth\u00e8que sa survie mais aussi son d\u00e9veloppement corporel ult\u00e9rieur et donc son \u00e2ge au premier v\u00ealage mais aussi sa production laiti\u00e8re.<\/p>\n<p>Un accouchement dystocique augmente le risque de mortalit\u00e9 n\u00e9onatale et d\u2019\u00e9chec de transmission\u00a0 de l\u2019immunit\u00e9 passive. Il augmente l\u2019\u00e2ge du premier v\u00ealage et r\u00e9duit la production de la 1<sup>\u00e8re<\/sup> lactation.<\/p>\n<p>En tant que telle, une intervention manuelle syst\u00e9matique lors de l\u2019accouchement n\u2019a pas \u00e0 proprement parler d\u2019effet sur les pathologies n\u00e9onatales. Il reste \u00e0 d\u00e9monter ses effets \u00e0 plus long terme. Pour rappel, 26.7% des \u00e9leveurs canadiens interviennent lors du v\u00ealage de leurs vaches laiti\u00e8res et 38 % interviennent syst\u00e9matiquement lors de l\u2019accouchement de leurs g\u00e9nisses.<\/p>\n<p>La g\u00e9mellit\u00e9 est connue pour r\u00e9duire les performances ult\u00e9rieures des veaux.<\/p>\n<p>Selon le contr\u00f4le laitier canadien (Lactanet), le potentiel g\u00e9n\u00e9tique de la dur\u00e9e de vie des vaches n\u00e9es en 2018 a \u00e9t\u00e9 estim\u00e9 \u00e0 8,5 ans soit une dur\u00e9e de vie de production moyenne de 6,3 ans. En 2020, au Canada, le % moyen de r\u00e9forme des vaches laiti\u00e8res a \u00e9t\u00e9 de 32% et la dur\u00e9e de vie productive moyenne de 3,09 ans.<\/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=\"447\" title=\"Dallago 2022 v\u00ealage et long\u00e9vit\u00e9\" src=\"https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Dallago-2022-velage-et-longevite-scaled.jpg\" data-orig-src=\"https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Dallago-2022-velage-et-longevite-800x447.jpg\" alt class=\"lazyload img-responsive wp-image-2165\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271900%27%20height%3D%271062%27%20viewBox%3D%270%200%201900%201062%27%3E%3Crect%20width%3D%271900%27%20height%3D%271062%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Dallago-2022-velage-et-longevite-200x112.jpg 200w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Dallago-2022-velage-et-longevite-400x224.jpg 400w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Dallago-2022-velage-et-longevite-600x335.jpg 600w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Dallago-2022-velage-et-longevite-800x447.jpg 800w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Dallago-2022-velage-et-longevite-1200x671.jpg 1200w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Dallago-2022-velage-et-longevite-scaled.jpg 1900w\" 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":2164,"template":"","keyword":[],"theme":[25],"class_list":["post-2163","training","type-training","status-publish","has-post-thumbnail","hentry","theme-neonatalogie"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/training\/2163","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\/2164"}],"wp:attachment":[{"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/media?parent=2163"}],"wp:term":[{"taxonomy":"keyword","embeddable":true,"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/keyword?post=2163"},{"taxonomy":"theme","embeddable":true,"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/theme?post=2163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}