{"id":2879,"date":"2023-10-17T14:36:10","date_gmt":"2023-10-17T12:36:10","guid":{"rendered":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/?p=2879"},"modified":"2023-11-30T19:10:56","modified_gmt":"2023-11-30T18:10:56","slug":"augmentation-de-la-teneur-en-proteines-du-colza","status":"publish","type":"post","link":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/augmentation-de-la-teneur-en-proteines-du-colza\/","title":{"rendered":"Augmentation de la teneur en prot\u00e9ines du colza"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">Leviers pour augmenter la teneur en prot\u00e9ines du colza<\/h1>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-text-align-justify has-medium-font-size\">D\u00e9couvrez quels sont les leviers aujourd&rsquo;hui disponibles pour augmenter la teneur en prot\u00e9ines du colza sans trop d\u00e9grader la teneur en huile.<\/p>\n\n\n\n<p class=\"has-text-align-justify\">La prot\u00e9ine du colza est aujourd\u2019hui d\u00e9j\u00e0 valoris\u00e9e, notamment au travers du tourteau utilis\u00e9 en alimentation animale. Toutefois, des signaux faibles des march\u00e9s autour de la transition alimentaire et de la recherche de relocalisation de la production v\u00e9g\u00e9tale destin\u00e9e \u00e0 l\u2019alimentation animale semblent montrer qu\u2019il pourrait exister de nouvelles opportunit\u00e9s. Ainsi, de nouveaux d\u00e9bouch\u00e9s se profilent&nbsp;: utilisation du colza pour les monogastriques ou encore consommation de prot\u00e9ines v\u00e9g\u00e9tales en alimentation humaine.<\/p>\n\n\n\n<p class=\"has-text-align-justify\"> Mais ces nouveaux d\u00e9bouch\u00e9s n\u00e9cessitent une teneur en prot\u00e9ines de 22 \u00e0 26&nbsp;%. Or, la moyenne fran\u00e7aise tourne autour de 19 \u00e0 21&nbsp;% en fonction des ann\u00e9es m\u00eame si des teneurs plus \u00e9lev\u00e9es sont ponctuellement observ\u00e9es. Augmenter la valeur de la production annuelle fran\u00e7aise de 1 \u00e0 2 % sans diminuer le rendement aurait donc m\u00e9caniquement un impact de +5 \u00e0 +10 % sur la souverainet\u00e9 prot\u00e9ique sur une production nationale majeure comme le colza, dont les surfaces oscillent entre 900 000 et 1,1 million d\u2019hectares annuels. <\/p>\n\n\n\n<p class=\"has-text-align-justify\">Mais c\u2019est un v\u00e9ritable challenge pour la fili\u00e8re. En effet, il y a une corr\u00e9lation n\u00e9gative entre teneur en prot\u00e9ines et teneur en huile. Les projets IN PETTO 1 et 2 pilot\u00e9s par Terres Inovia ont \u00e9tudi\u00e9 diff\u00e9rentes pistes. Il en ressort que m\u00eame si une augmentation de la dose d\u2019azote permet une teneur en prot\u00e9ines plus \u00e9lev\u00e9e, la dose n\u00e9cessaire n\u2019est pas acceptable d\u2019un point de vue \u00e9conomique et environnemental. En jouant plut\u00f4t sur les dates d\u2019apport et la r\u00e9partition de la dose entre apports, la teneur en prot\u00e9ines augmente mais la baisse en huile reste significative. Le fractionnement des apports de soufre n\u2019impacte pas quant \u00e0 lui la teneur en prot\u00e9ines. La premi\u00e8re piste reste donc la recherche de nouvelles g\u00e9n\u00e9tiques combinant meilleure teneur en prot\u00e9ines et meilleure teneur en huile.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Une corr\u00e9lation n\u00e9gative entre teneur en prot\u00e9ines et teneur en huile<\/strong><\/h2>\n\n\n\n<p class=\"has-text-align-justify\">Depuis ses d\u00e9buts, la s\u00e9lection vari\u00e9tal du colza d&rsquo;hiver vise \u00e0 obtenir des teneurs en huile toujours plus \u00e9lev\u00e9es. Cependant, l\u2019accumulation d\u2019huile dans la graine est antagoniste \u00e0 l\u2019accumulation de prot\u00e9ines. Ainsi, plus la teneur en huile est \u00e9lev\u00e9e, plus la teneur en prot\u00e9ines est faible (graphique ci-dessous).<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" width=\"440\" height=\"243\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/lien-teneur-en-prot-et-teneur-en-huile-colza.png?resize=440%2C243&#038;ssl=1\" alt=\"\" class=\"wp-image-2880\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/lien-teneur-en-prot-et-teneur-en-huile-colza.png?w=440&amp;ssl=1 440w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/lien-teneur-en-prot-et-teneur-en-huile-colza.png?resize=300%2C166&amp;ssl=1 300w\" sizes=\"(max-width: 440px) 100vw, 440px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-justify\">Cela sugg\u00e8re que le remplissage des grains est tr\u00e8s contraint. Ainsi, l\u2019accumulation de l\u2019huile, d\u2019une part, et des prot\u00e9ines, d\u2019autre part, est soumise \u00e0 une forte r\u00e9gulation. Cette r\u00e9gulation serait r\u00e9alis\u00e9e en partie par les m\u00eames g\u00e8nes pour ces deux composantes. Mais les m\u00e9canismes g\u00e9n\u00e9tiques qui les sous-tendent restent mal connus.<\/p>\n\n\n\n<p class=\"has-text-align-justify\">Diff\u00e9rentes \u00e9tudes men\u00e9es sur le g\u00e9nome du colza ont montr\u00e9 que plusieurs des principales r\u00e9gions g\u00e9nomiques \u00e0 effet quantitatif (QTL1) contr\u00f4lant l\u2019accumulation de ces deux fractions sont localis\u00e9es au m\u00eame endroit dans le g\u00e9nome. Cela pencherait pour une r\u00e9gulation commune.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Le choix vari\u00e9tal comme premier levier pour am\u00e9liorer la teneur en prot\u00e9ines<\/strong><\/h2>\n\n\n\n<p>Terres inovia a mis en place un r\u00e9seau de 10 sites en 2019 et 2020. Ce r\u00e9seau a \u00e9valu\u00e9 une dizaine de vari\u00e9t\u00e9s en comparaison d\u2019une vari\u00e9t\u00e9 t\u00e9moin, DK Exstorm. Ces vari\u00e9t\u00e9s avaient \u00e9t\u00e9 pr\u00e9alablement s\u00e9lectionn\u00e9es pour leur teneur en prot\u00e9ines plus \u00e9lev\u00e9e que la moyenne.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"407\" height=\"288\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/genetique-et-teneur-en-proteines.png?resize=407%2C288&#038;ssl=1\" alt=\"\" class=\"wp-image-2881\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/genetique-et-teneur-en-proteines.png?w=407&amp;ssl=1 407w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/genetique-et-teneur-en-proteines.png?resize=300%2C212&amp;ssl=1 300w\" sizes=\"(max-width: 407px) 100vw, 407px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-justify\">Les r\u00e9sultats obtenus (graphique ci-dessus) montrent que la teneur en prot\u00e9ines est tr\u00e8s variable selon les conditions p\u00e9doclimatiques, malgr\u00e9 un pool de vari\u00e9t\u00e9s test\u00e9es identique entre les sites d\u2019essais : entre 18,7 et 22,9 %, avec une moyenne de 20,9 %. N\u00e9anmoins, deux vari\u00e9t\u00e9s, ES Cesario et RAGT2, pr\u00e9sentent des teneurs en prot\u00e9ines significativement plus \u00e9lev\u00e9es (+1 %) que celle du t\u00e9moin DK Exstorm (courbe du haut). ES Amadeo arrive en troisi\u00e8me position, avec un bonus de +0,8 % (mais non significatif).<\/p>\n\n\n\n<p class=\"has-text-align-justify\">De plus, alors qu\u2019on pouvait s\u2019attendre \u00e0 voir ces trois vari\u00e9t\u00e9s en queue de peloton concernant la teneur en huile, ES Amadeo obtient un bonus de +0,5 % par rapport \u00e0 DK Exstorm (courbe du bas). Elle se classe m\u00eame dans le top 3 des vari\u00e9t\u00e9s test\u00e9es. Cette vari\u00e9t\u00e9 semble donc un bon compromis.<\/p>\n\n\n\n<p class=\"has-text-align-justify\">Demain, la solution viendra de la s\u00e9lection vari\u00e9tale. En effet, une variabilit\u00e9 g\u00e9n\u00e9tique existe sur le caract\u00e8re prot\u00e9ique du colza. Ainsi, \u00e0 travers la s\u00e9lection, il est possible d\u2019am\u00e9liorer significativement la teneur en prot\u00e9ines de la graine. Des travaux sont d\u00e9j\u00e0 en cours pour d\u00e9velopper des profils vari\u00e9taux de colza d\u2019hiver <em>high pro<\/em>. Leur objectif est d&rsquo;am\u00e9liorer de fa\u00e7on significative la teneur en prot\u00e9ines et de r\u00e9duire la teneur en fibre de la graine. Ce profil permettra une meilleure valorisation du tourteau \u00e0 \u00e9ch\u00e9ance 4 \u00e0 7 ans.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>La fertilisation comme second levier pour augmenter la teneur en prot\u00e9ines <\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Une augmentation de la dose totale \u00e0 apporter trop importante<\/strong><\/h3>\n\n\n\n<p>Les projets IN PETTO ont d\u00e9montr\u00e9 un effet positif des doses croissantes d\u2019azote sur la teneur en prot\u00e9ines.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"387\" height=\"251\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/dose-azote-et-proteines-colza.png?resize=387%2C251&#038;ssl=1\" alt=\"\" class=\"wp-image-2882\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/dose-azote-et-proteines-colza.png?w=387&amp;ssl=1 387w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/dose-azote-et-proteines-colza.png?resize=300%2C195&amp;ssl=1 300w\" sizes=\"(max-width: 387px) 100vw, 387px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-justify\">Toutefois, pour gagner 1 point de prot\u00e9ines, il faut apporter 100 kg de N\/ha par rapport \u00e0 la dose optimale calcul\u00e9e avec la r\u00e9glette azote. Cela pose la question du risque de perte d\u2019azote dans l\u2019environnement et de la rentabilit\u00e9 \u00e9conomique d\u2019une telle pratique.<\/p>\n\n\n\n<p>Les essais ont \u00e9galement montr\u00e9 que la forme d\u2019azote (ammonitrate ou ur\u00e9e) n\u2019avait pas d\u2019effet significatif sur la teneur en prot\u00e9ines.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Des effets marqu\u00e9s du fractionnement de la fertilisation azot\u00e9e sur la teneur en prot\u00e9ines et en huile<\/strong><\/h3>\n\n\n\n<p>Les projets ont permis de tester deux approches &nbsp;:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le retard du 2<sup>\u00e8me<\/sup> voire du 3<sup>\u00e8me<\/sup> apport d\u2019azote au printemps en F1 et G1<\/li>\n\n\n\n<li>Le report de 40 uN du 2<sup>\u00e8me<\/sup> vers le 3<sup>\u00e8me<\/sup> apport<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-justify\">Dans les deux cas, les essais ont montr\u00e9 qu\u2019il n\u2019y avait pas d\u2019impact sur le rendement du colza. (graphique gauche ci-dessous). Le retard du 2<sup>\u00e8me<\/sup> et du 3<sup>\u00e8me<\/sup> apport permet de gagner 1,2&nbsp;% de teneur en prot\u00e9ines (graphique droit). En revanche, cela entraine une baisse de teneur en huile de 0,8&nbsp;%. Le couplage avec un report d\u2019azote de 40 UN du 2<sup>\u00e8me<\/sup> vers le 3<sup>\u00e8me<\/sup> apport vient renforcer ces effets&nbsp;: 1,7&nbsp;% de prot\u00e9ines en plus mais 1,1&nbsp;% de teneur en huile en moins.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"767\" height=\"253\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/fractionnement-azote-et-proteines-colza.png?resize=767%2C253&#038;ssl=1\" alt=\"\" class=\"wp-image-2883\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/fractionnement-azote-et-proteines-colza.png?w=767&amp;ssl=1 767w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/fractionnement-azote-et-proteines-colza.png?resize=300%2C99&amp;ssl=1 300w\" sizes=\"(max-width: 767px) 100vw, 767px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-justify\">Ils ont \u00e9galement \u00e9tudi\u00e9 les effets de ce fractionnement sur la qualit\u00e9 prot\u00e9ique. La qualit\u00e9 prot\u00e9ique se mesure par le rapport napine\/crucif\u00e9rine qui caract\u00e9rise la richesse en acides amin\u00e9s d\u2019int\u00e9r\u00eat. En effet, les napines sont des prot\u00e9ines plus riches en acides amin\u00e9s soufr\u00e9s (cyst\u00e9ines) et plus riches en lysine. Ainsi, plus le ratio napine\/crucif\u00e9rine est \u00e9lev\u00e9, plus la qualit\u00e9 prot\u00e9ique est bonne.<\/p>\n\n\n\n<p class=\"has-text-align-justify\">Les r\u00e9sultats ont montr\u00e9 d\u2019une part, un effet site d\u2019exp\u00e9rimentation tr\u00e8s important (graphique ci-dessous) et, d\u2019autre part, que l\u2019augmentation de la teneur en prot\u00e9ines n\u2019\u00e9tait pas forc\u00e9ment en lien avec une am\u00e9lioration de la qualit\u00e9 prot\u00e9ique.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"267\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/fractionnement-et-qualite-proteines-colza.png?resize=1024%2C267&#038;ssl=1\" alt=\"\" class=\"wp-image-2884\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/fractionnement-et-qualite-proteines-colza.png?resize=1024%2C267&amp;ssl=1 1024w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/fractionnement-et-qualite-proteines-colza.png?resize=300%2C78&amp;ssl=1 300w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/fractionnement-et-qualite-proteines-colza.png?resize=768%2C200&amp;ssl=1 768w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/fractionnement-et-qualite-proteines-colza.png?w=1048&amp;ssl=1 1048w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Pas d\u2019effet du fractionnement des apports de soufre sur la teneur en prot\u00e9ines<\/strong><\/h3>\n\n\n\n<p>Le fractionnement des apports de soufre ne permet pas d\u2019augmenter la teneur en prot\u00e9ines des graines (graphique ci-dessous).<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"454\" height=\"247\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/soufre-et-proteines-colza.png?resize=454%2C247&#038;ssl=1\" alt=\"\" class=\"wp-image-2885\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/soufre-et-proteines-colza.png?w=454&amp;ssl=1 454w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/10\/soufre-et-proteines-colza.png?resize=300%2C163&amp;ssl=1 300w\" sizes=\"(max-width: 454px) 100vw, 454px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>L\u2019ouverture de nouveaux d\u00e9bouch\u00e9s pour le colza repr\u00e9sente toujours une opportunit\u00e9 qu\u2019il faut consid\u00e9rer. Dans le cas pr\u00e9sent, l&rsquo;agriculteur peut facilement mettre en oeuvre les diff\u00e9rents leviers test\u00e9s. Mais l\u2019effet est limit\u00e9. De plus, l\u2019impact \u00e9conomique de ces leviers reste \u00e0 chiffrer. Si la diff\u00e9rence de co\u00fbt de production est significative, il sera n\u00e9cessaire que la fili\u00e8re se positionne pour en r\u00e9partir le co\u00fbt sur ses diff\u00e9rents maillons.<\/p>\n\n\n\n<p>La balance entre les deux fractions huile-prot\u00e9ines et leur valorisation sont donc \u00e0 bien consid\u00e9rer par la fili\u00e8re au regard des demandes du march\u00e9 et des enjeux de souverainet\u00e9 alimentaire. Ce dilemme pourrait certainement se r\u00e9soudre de lui-m\u00eame si les nouvelles vari\u00e9t\u00e9s de colza high pro sont commercialis\u00e9es prochainement.<\/p>\n\n\n\n<p><\/p>\n\n\n<div class=\"_3d-flip-book  fb3d-fullscreen-mode full-size\" data-id=\"2877\" data-mode=\"fullscreen\" data-title=\"false\" data-template=\"short-white-book-view\" data-lightbox=\"dark-shadow\" data-urlparam=\"fb3d-page\" data-page-n=\"0\" data-pdf=\"\" data-tax=\"null\" data-thumbnail=\"\" data-cols=\"3\" data-book-template=\"default\" data-trigger=\"\"><\/div><script type=\"text\/javascript\">window.FB3D_CLIENT_DATA = window.FB3D_CLIENT_DATA || [];FB3D_CLIENT_DATA.push('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');window.FB3D_CLIENT_LOCALE && FB3D_CLIENT_LOCALE.render && FB3D_CLIENT_LOCALE.render();<\/script>\n\n\n\n<p><\/p>\n\n\n\n<p>Pour s&rsquo;informer sur le lien entre ol\u00e9oprot\u00e9agineux et autonomie prot\u00e9ique des \u00e9levages, vous pouvez consulter l&rsquo;article : <a href=\"https:\/\/normandiemaine.cerfrance.fr\/arad2\/oleoproteagineux-et-autonomie-proteique\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/normandiemaine.cerfrance.fr\/arad2\/oleoproteagineux-et-autonomie-proteique\/<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Source<\/h2>\n\n\n\n<p class=\"has-medium-font-size\"><em>Le Gall C\u00e9line, 2023. Comment augmenter la teneur en prot\u00e9ines du colza&nbsp;? Pr\u00e9sentation du projet IN PETTO. Webinaire Terres Inovia du 05 octobre 2023.<\/em> <a href=\"https:\/\/www.youtube.com\/watch?v=9jHOcJ3ovHE\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.youtube.com\/watch?v=9jHOcJ3ovHE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Leviers pour augmenter la teneur en prot\u00e9ines du colza<\/p>\n","protected":false},"author":5,"featured_media":3047,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[39,32],"tags":[],"class_list":["post-2879","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nourrir-les-animaux","category-reductions-dintrants-en-cultures-et-en-elevage"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Augmentation de la teneur en prot\u00e9ines du colza - L&#039;ARAD2<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez quels sont 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