{"id":356036,"date":"2026-09-05T15:18:55","date_gmt":"2026-09-05T13:18:55","guid":{"rendered":"https:\/\/legrandcontinent.eu\/fr\/?p=356036"},"modified":"2026-09-05T15:18:59","modified_gmt":"2026-09-05T13:18:59","slug":"le-poids-des-poulets-a-ete-multiplie-par-quatre-en-50-ans","status":"publish","type":"post","link":"https:\/\/legrandcontinent.eu\/fr\/2026\/09\/05\/le-poids-des-poulets-a-ete-multiplie-par-quatre-en-50-ans\/","title":{"rendered":"Le poids des poulets a \u00e9t\u00e9 multipli\u00e9 par quatre en 50 ans"},"content":{"rendered":"\n<p>Selon une \u00e9tude comparant trois souches repr\u00e9sentatives de poulets, \u00e9lev\u00e9es dans des conditions identiques pour isoler l&rsquo;effet de la s\u00e9lection g\u00e9n\u00e9tique, le poids moyen des poulets a \u00e9t\u00e9 multipli\u00e9 par 4,6 en l&rsquo;espace d&rsquo;un demi-si\u00e8cle. Un poulet \u00e2g\u00e9 de 56 jours atteint aujourd&rsquo;hui en moyenne 4,2 kilos, contre 1,8 kilo en 1978 et 0,9 kilo en 1957&nbsp;<span class='whitespace-nowrap'><span id='easy-footnote-1-356036' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote note-digits-1'><a href='https:\/\/legrandcontinent.eu\/fr\/2026\/09\/05\/le-poids-des-poulets-a-ete-multiplie-par-quatre-en-50-ans\/#easy-footnote-bottom-1-356036' title='M.J. Zuidhof, B.L. Schneider, V.L. Carney, D.R. Korver, F.E. Robinson, \u00ab&amp;#160;&lt;a href=&quot;https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0032579119385505&quot;&gt;Growth, efficiency, and yield of commercial broilers from 1957, 1978, and 2005&lt;\/a&gt;&amp;#160;\u00bb, &lt;em&gt;Poultry Science&lt;\/em&gt;, vol. 93, n\u00b012, 2014.'><sup>1<\/sup><\/a><\/span><\/span>.<\/p>\n\n\n\n<p>Cette croissance ne r\u00e9sulte pas de conditions d&rsquo;\u00e9levage artificielles, mais d&rsquo;une s\u00e9lection g\u00e9n\u00e9tique intentionnelle r\u00e9alis\u00e9e par les \u00e9leveurs.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La demande de viande de poulet a consid\u00e9rablement augment\u00e9 apr\u00e8s la Seconde Guerre mondiale.<\/li>\n\n\n\n<li>Le monde produit aujourd\u2019hui pr\u00e8s de 130 millions de tonnes de poulet par an, soit 10 fois plus qu\u2019au d\u00e9but des ann\u00e9es 1970.<\/li>\n\n\n\n<li>En parall\u00e8le, la consommation par personne continue d&rsquo;augmenter depuis les ann\u00e9es 1960, et atteint aujourd&rsquo;hui pr\u00e8s de 9 poulets par personne \u00e0 l\u2019\u00e9chelle mondiale.<\/li>\n<\/ul>\n\n\n\n<div class=\"iframe-container wp-block-image wp-block-image-medium  iframe-dw\">\n\t<div>\n\t\t<iframe class=\"absolute w-full h-full pin-t pin-l\" title=\"titolo\" aria-label=\"Interactive line chart\" src=\"\/\/datawrapper.dwcdn.net\/ttJqD\/\" scrolling=\"no\" frameborder=\"0\"><\/iframe>\n\t<\/div>\n<\/div>\n\n\n\n<p>Selon les Nations unies, une personne consomme en moyenne environ six fois plus de poulets et deux fois plus de porc que la g\u00e9n\u00e9ration de ses grands-parents. L\u2019augmentation de l\u2019offre de viande est toutefois principalement concentr\u00e9e dans les pays riches, avec quelques exceptions.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Parmi les grands pays, les \u00c9tats-Unis sont ceux dont les habitants consomment la plus grande quantit\u00e9 de volaille au monde apr\u00e8s Isra\u00ebl&#160;: 55 kilos par an.<\/li>\n\n\n\n<li>Ces derni\u00e8res d\u00e9cennies, on observe toutefois les plus fortes hausses en Am\u00e9rique du Sud \u2013 Br\u00e9sil, Bolivie et P\u00e9rou notamment \u2013, en Asie \u2013 Malaisie, Ta\u00efwan \u2013 et dans le Golfe, notamment aux \u00c9mirats arabes unis et en Arabie saoudite.<\/li>\n<\/ul>\n\n\n\n<div class=\"iframe-container wp-block-image wp-block-image-medium  iframe-dw\">\n\t<div>\n\t\t<iframe class=\"absolute w-full h-full pin-t pin-l\" title=\"titolo\" aria-label=\"Interactive line chart\" src=\"\/\/datawrapper.dwcdn.net\/cViwe\/\" scrolling=\"no\" frameborder=\"0\"><\/iframe>\n\t<\/div>\n<\/div>\n\n\n\n<p>Dans la plupart de ces pays, la hausse de la consommation de poulet traduit l&rsquo;augmentation du niveau de vie. Toutefois, alors que les pays developp\u00e9s ont tendance \u00e0 pr\u00e9f\u00e9rer le \u00ab&#160;blanc&#160;\u00bb de poulet, soit la poitrine, les pays asiatiques et africains ont tendance \u00e0 consommer plus de viande \u00ab&#160;brune&#160;\u00bb&#160;: les cuisses et les pilons principalement.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le blanc de poulet est 12&#160;% moins cher que les cuisses et les pilons en Indon\u00e9sie, alors qu&rsquo;il est 88&#160;% plus cher aux \u00c9tats-Unis&nbsp;<span class='whitespace-nowrap'><span id='easy-footnote-2-356036' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote note-digits-1'><a href='https:\/\/legrandcontinent.eu\/fr\/2026\/09\/05\/le-poids-des-poulets-a-ete-multiplie-par-quatre-en-50-ans\/#easy-footnote-bottom-2-356036' title='\u00ab&amp;#160;&lt;a href=&quot;https:\/\/www.economist.com\/international\/2019\/01\/19\/how-chicken-became-the-rich-worlds-most-popular-meat&quot;&gt;How chicken became the rich world\u2019s most popular meat&lt;\/a&gt;&amp;#160;\u00bb, &lt;em&gt;The Economist&lt;\/em&gt;, 19 janvier 2019.'><sup>2<\/sup><\/a><\/span><\/span>.<\/li>\n<\/ul>\n\n\n\n<p>Des d\u00e9cennies de s\u00e9lection g\u00e9n\u00e9tique et d&rsquo;optimisation des \u00e9levages ont rendu les volailles vuln\u00e9rables aux troubles locomoteurs, cardiovasculaires et \u00e0 une mortalit\u00e9 accrue, tandis que leurs conditions de vie se sont consid\u00e9rablement d\u00e9grad\u00e9es.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S&rsquo;il donne plus de viande, le Ross 308, le poulet contemporain que l&rsquo;on retrouve dans la majeure partie des \u00e9levages \u00e0 travers le monde, accumule les malformations et les probl\u00e8mes cardiovasculaires \u2013 au point que ses lign\u00e9es reproductrices doivent voir leur alimentation rationn\u00e9e pour rester aptes \u00e0 se reproduire.<\/li>\n\n\n\n<li>Le contr\u00f4le par deux entreprises, Aviagen Group et Cobb-Vantress, du patrimoine g\u00e9n\u00e9tique de plus de 90&#160;% des poulets de chair abattus dans le monde cr\u00e9\u00e9 quant \u00e0 lui un goulot d&rsquo;\u00e9tranglement qui limite l&rsquo;\u00e9mergence de nouvelles souches&nbsp;<span class='whitespace-nowrap'><span id='easy-footnote-3-356036' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote note-digits-1'><a href='https:\/\/legrandcontinent.eu\/fr\/2026\/09\/05\/le-poids-des-poulets-a-ete-multiplie-par-quatre-en-50-ans\/#easy-footnote-bottom-3-356036' title='Leslie Patton, Michael Hirtzer et Amelia Pollard, \u00ab&amp;#160;&lt;a href=&quot;https:\/\/www.bloomberg.com\/news\/articles\/2021-11-05\/why-are-chickens-bigger-today-some-farmers-want-to-grow-them-smaller&quot;&gt;After Decades of Breeding Bigger Birds, Some Producers Are Shrinking the Chicken&lt;\/a&gt;&amp;#160;\u00bb, &lt;em&gt;Bloomberg&lt;\/em&gt;, 5 novembre 2021.'><sup>3<\/sup><\/a><\/span><\/span>.<\/li>\n<\/ul>\n\n\n\n<div class=\"iframe-container wp-block-image wp-block-image-medium  iframe-dw\">\n\t<div>\n\t\t<iframe class=\"absolute w-full h-full pin-t pin-l\" title=\"titolo\" aria-label=\"Interactive line chart\" src=\"\/\/datawrapper.dwcdn.net\/sMqyE\/\" scrolling=\"no\" frameborder=\"0\"><\/iframe>\n\t<\/div>\n<\/div>\n\n\n\n<p>En Chine, l&rsquo;offre de volaille a fortement augment\u00e9 ces derni\u00e8res d\u00e9cennies, au d\u00e9triment du porc, qui reste toutefois la viande la plus consomm\u00e9e dans le pays.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Si les courbes entre l&rsquo;offre de porc et de poulet venaient \u00e0 s&rsquo;inverser en Chine, il faudrait produire environ 24 milliards de volailles suppl\u00e9mentaires par an dans le monde pour r\u00e9pondre \u00e0 la demande \u2013 soit un tiers de la production mondiale.<\/li>\n\n\n\n<li>Pour absorber cette hausse sans \u00e9lever davantage de volailles, les \u00e9leveurs devraient faire grossir chaque poulet jusqu&rsquo;\u00e0 environ 4,63 kg \u2013 soit 10,3&#160;% de plus que le poulet Ross 308 \u00e9tudi\u00e9 par Zuidhof.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Une personne consomme aujourd\u2019hui six fois plus de poulets que ses grands-parents.<\/p>\n","protected":false},"author":2622,"featured_media":356035,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"templates\/post-briefings.php","format":"standard","meta":{"_acf_changed":true,"_trash_the_other_posts":false,"_yoast_wpseo_estimated-reading-time-minutes":4,"_lgc_tts_voice":"","_lgc_tts_publish":false,"_lgc_tts_history_item_id":"","_lgc_tts_generated_at":"","_lgc_tts_status":"","_lgc_tts_error":"","footnotes":""},"categories":[3468],"tags":[],"staff":[],"editorial_format":[4942],"serie":[],"audience":[],"geo":[2163],"class_list":["post-356036","post","type-post","status-publish","format-standard","hentry","category-donnees-qui-changent-la-donne","editorial_format-actu-breves","geo-monde"],"acf":{"open_in_webview":false,"accent":"default","_thumbnail_id":356035,"excerpt":"Une personne consomme aujourd\u2019hui six fois plus de poulets que ses grands-parents.","display_date":"","new_abstract":true},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Le poids des poulets a \u00e9t\u00e9 multipli\u00e9 par quatre en 50 ans<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/legrandcontinent.eu\/fr\/2026\/09\/05\/le-poids-des-poulets-a-ete-multiplie-par-quatre-en-50-ans\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le poids des poulets a \u00e9t\u00e9 multipli\u00e9 par quatre en 50 ans\" \/>\n<meta property=\"og:description\" content=\"Une personne consomme aujourd\u2019hui six fois plus de poulets que ses grands-parents.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/legrandcontinent.eu\/fr\/2026\/09\/05\/le-poids-des-poulets-a-ete-multiplie-par-quatre-en-50-ans\/\" \/>\n<meta property=\"og:site_name\" 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