{"id":2091,"date":"2023-10-09T11:26:20","date_gmt":"2023-10-09T09:26:20","guid":{"rendered":"https:\/\/www.rumexperts.vet\/?post_type=training&#038;p=2091"},"modified":"2024-03-16T09:34:20","modified_gmt":"2024-03-16T08:34:20","slug":"bien-malin-qui-peut-dire-la-cause-dune-mortalite-perinatale","status":"publish","type":"training","link":"https:\/\/www.rumexperts.vet\/en\/training\/bien-malin-qui-peut-dire-la-cause-dune-mortalite-perinatale","title":{"rendered":"BIEN MALIN QUI PEUT DIRE LA CAUSE D\u2019UNE MORTALITE PERINATALE"},"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: Mee, J.F. et al.\u00a0 Role of Infection and Immunity in Bovine Perinatal Mortality: Part 1. Causes and Current Diagnostic Approaches. Animals 2021, 11, 1033. <a href=\"https:\/\/doi.org\/10.3390\/ani11041033\">https:\/\/doi.org\/10.3390\/ani11041033<\/a><\/p>\n<p>Par mortalit\u00e9 perinatale, les auteurs de l\u2018\u00e9tude entendent la mort d\u2019un veau entre le 260<sup>\u00e8me<\/sup> jour de gestation et les 48 premi\u00e8res heures suivant la naissance.<\/p>\n<p>L\u2019article nous propose (notamment) une revue de 15 \u00e9tudes (une seule n\u2019a pas renseign\u00e9 le nombre de veaux concern\u00e9s) qui ont cherch\u00e9 \u00e0 identifier par autopsie les causes de mortalit\u00e9 postnatale (0 \u00e0 48 h) de 3402 veaux (19 \u00e0 1345 selon les \u00e9tudes). Il en ressort que les causes non infectieuses\u00a0 (dystocie et anoxie) sont plus fr\u00e9quentes que les causes infectieuses ou les anomalies cong\u00e9nitales. On notera \u00e9galement qu\u2019une fois sur cinq (19 %) les causes de la mortalit\u00e9 sont inconnues (Tableau ). Ces valeurs moyennes cachent une grande disparit\u00e9 selon les \u00e9tudes.<\/p>\n<p>L\u2019examen plus sp\u00e9cifique des r\u00e9sultats d\u2019analyse des causes infectieuses fait appara\u00eetre que<\/p>\n<ul>\n<li>Les infections bact\u00e9riennes (Bacillus spp, Leptospira comme exemples) sont plus fr\u00e9quentes que les causes virales (BVD et virus de Schmallenberg comme exemples) mais leur nature varie consid\u00e9rablement selon les \u00e9tudes. Neospora caninum est le principal parasite identifi\u00e9.<\/li>\n<li>Dans la majorit\u00e9 des cas, un seul germe est responsable.<\/li>\n<li>Les pathog\u00e8nes primaires sont \u00e0 la diff\u00e9rence des pathog\u00e8nes secondaires capables de traverser le placenta et sont davantage responsables de mortalit\u00e9s en s\u00e9rie.<\/li>\n<li>L\u2019implication d\u2019un agent infectieux dans la mortalit\u00e9 supposera (1) son identification en culture pure dans le contenu de la caillette ou dans un autre tissu du f\u0153tus, (2) la pr\u00e9sence de l\u00e9sions inflammatoires f\u0153tales et\/ou placetaires et (3) l\u2019exclusion d\u2019une autre cause de mortalit\u00e9.<\/li>\n<li>Coli, Pseudomonas et Proteus sont consid\u00e9r\u00e9s comme des contaminants des \u00e9chantillons.<\/li>\n<li>Neospora caninum, BVD, Bacillus licheniformis et Leptospira hardjosont les principaux responsables d\u2019une mortalit\u00e9 en fin de gestation<\/li>\n<\/ul>\n<p>Les auteurs de l\u2019article pr\u00e9sentent \u00e9galement une strat\u00e9gie d\u2019examen clinique et de pr\u00e9l\u00e8vements placentaires et f\u0153taux.<\/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=\"Mee 2021 causes mortalit\u00e9 perinatale\" src=\"https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Mee-2021-causes-mortalite-perinatale-scaled.jpg\" data-orig-src=\"https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Mee-2021-causes-mortalite-perinatale-800x447.jpg\" alt class=\"lazyload img-responsive wp-image-2093\" 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\/Mee-2021-causes-mortalite-perinatale-200x112.jpg 200w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Mee-2021-causes-mortalite-perinatale-400x224.jpg 400w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Mee-2021-causes-mortalite-perinatale-600x335.jpg 600w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Mee-2021-causes-mortalite-perinatale-800x447.jpg 800w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Mee-2021-causes-mortalite-perinatale-1200x671.jpg 1200w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Mee-2021-causes-mortalite-perinatale-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":2092,"template":"","keyword":[],"theme":[25],"class_list":["post-2091","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\/2091","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\/2092"}],"wp:attachment":[{"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/media?parent=2091"}],"wp:term":[{"taxonomy":"keyword","embeddable":true,"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/keyword?post=2091"},{"taxonomy":"theme","embeddable":true,"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/theme?post=2091"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}