{"id":2395,"date":"2023-11-29T09:02:02","date_gmt":"2023-11-29T08:02:02","guid":{"rendered":"https:\/\/www.rumexperts.vet\/?post_type=training&#038;p=2395"},"modified":"2024-03-16T08:17:18","modified_gmt":"2024-03-16T07:17:18","slug":"aux-usa-de-2007-a-2017-la-production-laitiere-a-augmente-mais-son-impact-environnemental-a-diminue","status":"publish","type":"training","link":"https:\/\/www.rumexperts.vet\/en\/training\/aux-usa-de-2007-a-2017-la-production-laitiere-a-augmente-mais-son-impact-environnemental-a-diminue","title":{"rendered":"AUX USA, DE 2007 \u00e0 2017, LA PRODUCTION LAITIERE A AUGMENTE MAIS SON IMPACT ENVIRONNEMENTAL A DIMINUE."},"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>Les auteurs de l\u2019\u00e9tude ont caract\u00e9ris\u00e9 les performances de production et de reproduction du cheptel laitier \u00e0 partir de diff\u00e9rentes bases de donn\u00e9es nationales. La figure ci-jointe vous en pr\u00e9sente les principales caract\u00e9ristiques.<\/p>\n<p>Ils se sont \u00e9galement attach\u00e9s \u00e0 caract\u00e9riser les moyens et les productions de gaz \u00e0 effet de serre n\u00e9cessaires\/r\u00e9sultant \u00e0\/de la production d\u2019un milliard de litres d\u2019\u00e9quivalent lait (ECM) c\u2019est-\u00e0-dire de la production corrig\u00e9e pour la mati\u00e8re grasse et prot\u00e9ique.<\/p>\n<p>Par rapport \u00e0 2007, cette production en 2017 a requis 74,8 % du cheptel laitier, 82.7% des aliments,\u00a0 79.2% des surfaces agricoles et 69.5% de l\u2019eau.<\/p>\n<p>Les effluents r\u00e9sultant de cette production ont \u00e9t\u00e9 en 2017 \u00e9quivalents \u00e0 79.4%, 82.5%, 85.7%, 80,9 et 81,5 %\u00a0 de ceux observ\u00e9s en 2007 respectivement pour les mati\u00e8res f\u00e9cales, l\u2019azote, le phosphore, le m\u00e9thane et l\u2019oxyde d\u2019azote.<\/p>\n<p>Malgr\u00e9 une augmentation de 24,7 % de la quantit\u00e9 d\u2019ECM produite en 2017 par rapport \u00e0 2007, l\u2019augmentation de gaz \u00e0 effet de serre n\u2019a \u00e9t\u00e9 que d\u20191 %.<\/p>\n<p>Le constat s\u2019impose\u00a0: l\u2019\u00e9levage laitier am\u00e9ricain fait mieux avec moins. Il n\u2019en demeure pas vrai qu\u2019on peut rester surpris par le faible nombre moyen de lactation avant la r\u00e9forme en 2017 (2,71 vs 2,97 en 2007).<\/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=\"Capper 2020 USA production et reproduction laitier\" src=\"https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/11\/Capper-2020-USA-production-et-reproduction-laitier-scaled.jpg\" data-orig-src=\"https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/11\/Capper-2020-USA-production-et-reproduction-laitier-800x447.jpg\" alt class=\"lazyload img-responsive wp-image-2397\" 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\/11\/Capper-2020-USA-production-et-reproduction-laitier-200x112.jpg 200w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/11\/Capper-2020-USA-production-et-reproduction-laitier-400x224.jpg 400w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/11\/Capper-2020-USA-production-et-reproduction-laitier-600x335.jpg 600w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/11\/Capper-2020-USA-production-et-reproduction-laitier-800x447.jpg 800w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/11\/Capper-2020-USA-production-et-reproduction-laitier-1200x671.jpg 1200w, https:\/\/www.rumexperts.vet\/wp-content\/uploads\/2023\/11\/Capper-2020-USA-production-et-reproduction-laitier-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":2396,"template":"","keyword":[],"theme":[135,59],"class_list":["post-2395","training","type-training","status-publish","has-post-thumbnail","hentry","theme-environnement","theme-reproduction-en"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/training\/2395","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\/2396"}],"wp:attachment":[{"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/media?parent=2395"}],"wp:term":[{"taxonomy":"keyword","embeddable":true,"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/keyword?post=2395"},{"taxonomy":"theme","embeddable":true,"href":"https:\/\/www.rumexperts.vet\/en\/wp-json\/wp\/v2\/theme?post=2395"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}