{"id":2067,"date":"2023-10-09T11:30:11","date_gmt":"2023-10-09T09:30:11","guid":{"rendered":"https:\/\/www.rumexperts.vet\/?post_type=training&#038;p=2067"},"modified":"2024-03-16T09:26:11","modified_gmt":"2024-03-16T08:26:11","slug":"chez-la-genisse-la-distance-entre-lanus-et-le-clitoris-est-un-facteur-de-fertilite","status":"publish","type":"training","link":"https:\/\/www.rumexperts.vet\/en\/training\/chez-la-genisse-la-distance-entre-lanus-et-le-clitoris-est-un-facteur-de-fertilite","title":{"rendered":"CHEZ LA GENISSE, LA DISTANCE ENTRE L\u2019ANUS ET LE CLITORIS EST UN FACTEUR DE FERTILITE"},"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: Carrelli JE et al. Relationship of anogenital distance with fertility in nulliparous Holstein heifers. J. Dairy Sci. 2021, 104:8256\u20138264 <a href=\"https:\/\/doi.org\/10.3168\/jds.2020-19940\">https:\/\/doi.org\/10.3168\/jds.2020-19940<\/a>).<\/p>\n<p>Chez la vache, la fertilit\u00e9 est invers\u00e9ment proportionnelle \u00e0 la distance entre l\u2019anus et le clitoris (AGD\u00a0: anogenital distance), celle-ci \u00e9tant en moyenne de de 131.0 \u00b1 12.2 mm (Gobikrushanth M. et al. Characterization of anogenital distance and its relationship to fertility in lactating Holstein cows. J. Dairy Sci. 2017, 100:9815\u20139823). Une \u00e9tude r\u00e9cente vient de confirmer la m\u00eame relation chez la g\u00e9nisse (<\/p>\n<p>Les principales donn\u00e9es et observations sont pr\u00e9sent\u00e9es dans la figure ci-jointe.<\/p>\n<p>Cette AGD est plus faible\u00a0 chez les g\u00e9nisses (107 mm) que chez les vaches (131 mm). Dans l\u2019un et l\u2019autre cas on observe de larges variations individuelles.<\/p>\n<p>Cette AGD aurait une h\u00e9ritabilit\u00e9 (h<sup>2<\/sup>) de 0.37 bien plus \u00e9lev\u00e9e donc que les param\u00e8tres de reproduction consid\u00e9r\u00e9s dans les programmes de s\u00e9lection g\u00e9n\u00e9tique comme l\u2019inde de fertilit\u00e9\u00a0 (0.02), l\u2019intervalle entre v\u00ealages\u00a0 (0.03) ou le taux de non retour (0.03).<\/p>\n<p>Cette AGD pourrait \u00eatre un param\u00e8tre ph\u00e9notypique int\u00e9ressant \u00e0 prendre en consid\u00e9ration comme le d\u00e9nombrement des follicules antraux (h<sup>2\u00a0<\/sup>: 0.31), la concentration de l\u2019AMH (Anti Mullerian Hormone) (h<sup>2\u00a0<\/sup>: 0.46). Une relation entre cette concentration et l\u2019AGD a \u00e9t\u00e9 par ailleurs d\u00e9montr\u00e9e (Akbarinejad et al. 2019).<\/p>\n<p>La mesure de l\u2019AGD est rapide et peu couteuse ce qui en fait son int\u00e9r\u00eat par rapport au d\u00e9nombrement des follicules antraux, \u00e0 l\u2019AMH ou \u00e0 l\u2019\u00e9valuation de la r\u00e9ponse en LH \u00e0 la GnRH. Il est vrai que la mesure de l\u2019AGD a une faible sensibilit\u00e9 (66,2 %) et sp\u00e9cificit\u00e9 (42,5 %) dans le pronostic du % de gestation en 1<sup>\u00e8re<\/sup> IA. D\u2019autres facteurs que l\u2019AGD doivent bien entendu \u00eatre pris en consid\u00e9ration puisque finalement l\u2019intervalle entre la naissance et la 1<sup>\u00e8re<\/sup> IA n\u2019est que de deux jours entre les groupes \u2264 et &gt; 110 mm et que l\u2019intervalle entre la naissance et la gestation est 6 jours plus court soit un gain journalier \u00e9valu\u00e9 \u00e0 2.54 $ (Tranel, 2019).<\/p>\n<p>L\u2019AGD pourrait indirectement \u00e9galement tout comme la concentration en AMH constituer un biomarqueur de la long\u00e9vit\u00e9.<\/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=\"Carelli 2021 anus clitoris g\u00e9nisse\" src=\"https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Carelli-2021-anus-clitoris-genisse.jpg\" data-orig-src=\"https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Carelli-2021-anus-clitoris-genisse-800x447.jpg\" alt class=\"lazyload img-responsive wp-image-2069\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271386%27%20height%3D%27774%27%20viewBox%3D%270%200%201386%20774%27%3E%3Crect%20width%3D%271386%27%20height%3D%27774%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Carelli-2021-anus-clitoris-genisse-200x112.jpg 200w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Carelli-2021-anus-clitoris-genisse-400x223.jpg 400w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Carelli-2021-anus-clitoris-genisse-600x335.jpg 600w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Carelli-2021-anus-clitoris-genisse-800x447.jpg 800w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Carelli-2021-anus-clitoris-genisse-1200x670.jpg 1200w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/10\/Carelli-2021-anus-clitoris-genisse.jpg 1386w\" 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":2068,"template":"","keyword":[],"theme":[134,59],"class_list":["post-2067","training","type-training","status-publish","has-post-thumbnail","hentry","theme-genetique","theme-reproduction-en"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/training\/2067","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\/2068"}],"wp:attachment":[{"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/media?parent=2067"}],"wp:term":[{"taxonomy":"keyword","embeddable":true,"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/keyword?post=2067"},{"taxonomy":"theme","embeddable":true,"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/theme?post=2067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}