{"id":99838,"date":"2025-12-16T12:36:28","date_gmt":"2025-12-16T11:36:28","guid":{"rendered":"https:\/\/lohmann-breeders.com\/hatchery-contamination-principles-and-practical-tips-2\/"},"modified":"2026-03-17T13:54:40","modified_gmt":"2026-03-17T12:54:40","slug":"hatchery-contamination-principles-and-practical-tips-2","status":"publish","type":"post","link":"https:\/\/lohmann-breeders.com\/fr\/hatchery-contamination-principles-and-practical-tips-2\/","title":{"rendered":"Contamination des couvoirs: Principes et conseils pratiques"},"content":{"rendered":"<div class=\"row\">\r\n<div class=\"padded\">\r\n<div class=\"col mb5\">\r\n\r\nLa contamination d\u2019un couvoir peut repr\u00e9senter l\u2019un des d\u00e9fis les plus s\u00e9rieux pour toute la gestion de la production, puisque le couvoir constitue le principal carrefour de l\u2019industrie avicole, reliant les \u00e9levages de reproducteurs aux fermes commerciales.\r\n\r\nLa pr\u00e9vention de la contamination dans un couvoir repose sur la connaissance de quatre principes essentiels:\r\n\r\n<\/div>\r\n<div>\r\n<div class=\"row mt5\">\r\n<div class=\"row\">\r\n<div class=\"col-1-4\"><img decoding=\"async\" class=\" mr5 mb5\" src=\"https:\/\/lohmann-breeders.com\/media\/2025\/11\/hatchery-contamination-icon1bis.png\" alt=\"\" width=\"80%\" data-aos=\"fade-right\"><\/div>\r\n<div class=\"col-3-4\">\r\n<ul>\r\n \t<li><strong>Protection physique<\/strong><\/li>\r\n \t<li><strong>Conna\u00eetre son ennemi<\/strong><\/li>\r\n \t<li><strong>Puissance, Temp\u00e9rature, Produit, Temps<\/strong><\/li>\r\n \t<li><strong>Diffusion gazeuse<\/strong><\/li>\r\n<\/ul>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"row mt5\">\r\n<h2 style=\"text-decoration: underline;\">Protection physique<\/h2>\r\nLa meilleure mani\u00e8re de pr\u00e9venir la contamination a\u00e9roport\u00e9e dans un couvoir commence par une planification minutieuse d\u00e8s la phase de construction, notamment en orientant le b\u00e2timent de mani\u00e8re \u00e0 tirer parti des vents dominants et en respectant toujours le flux \u0153uf vers poussin conform\u00e9ment au flux d\u2019air ext\u00e9rieur.\r\n\r\nUne fois le couvoir construit, des mesures de protection peuvent encore \u00eatre mises en place, comme des barri\u00e8res physiques, qu\u2019elles soient naturelles (arbres) ou artificielles (murs).\r\n<div class=\"row mt5\">\r\n<div class=\"autogrid padded\">\r\n<div class=\"col\">\r\n<blockquote>Quelle que soit l\u2019orientation du couvoir, il est essentiel de maintenir au moins quatre flux s\u00e9par\u00e9s et d\u2019\u00e9viter toute contamination crois\u00e9e \u2014 non seulement pour le personnel, mais aussi pour l\u2019\u00e9quipement et surtout pour la ventilation.<\/blockquote>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"row mt5\"><img decoding=\"async\" class=\"imgcenter\" src=\"https:\/\/lohmann-breeders.com\/media\/2026\/02\/hatchery-contamination_img1-FR.png\" alt=\"\" width=\"70%\" data-aos=\"fade-right\"><\/div>\r\n&nbsp;\r\n<div class=\"row mt5\">\r\n<div class=\"row\">\r\n<div class=\"col-1-4\"><img decoding=\"async\" class=\" mr5 mb5\" src=\"https:\/\/lohmann-breeders.com\/media\/2025\/11\/hatchery-contamination-icon2.png\" alt=\"\" width=\"80%\" data-aos=\"fade-right\"><\/div>\r\n<div class=\"col-3-4\">\r\n\r\nLa ventilation aide \u00e9galement \u00e0 maintenir les plateaux et paniers secs apr\u00e8s le nettoyage et la d\u00e9sinfection, afin d\u2019\u00e9viter toute re contamination. Pour s\u00e9cher efficacement la pi\u00e8ce et l\u2019\u00e9quipement, r\u00e9glez le syst\u00e8me de ventilation sur la temp\u00e9rature la plus basse qu\u2019il puisse maintenir.\r\n<blockquote>Cela r\u00e9duira la vapeur d\u2019eau dans l\u2019air par condensation et diminuera l\u2019humidit\u00e9 absolue.<\/blockquote>\r\n<\/div>\r\n<\/div>\r\n<div>\r\n<div class=\"row\">\r\n<div class=\"col-1-4\"><img decoding=\"async\" class=\" mr5 mb5\" src=\"https:\/\/lohmann-breeders.com\/media\/2025\/11\/hatchery-contamination-icon3.png\" alt=\"\" width=\"80%\" data-aos=\"fade-right\"><\/div>\r\n<div class=\"col-3-4\">\r\n\r\nImm\u00e9diatement apr\u00e8s le lavage, et avant la d\u00e9sinfection, placez un souffleur d\u2019air chaud orient\u00e9 directement vers les plateaux \u2014 jamais apr\u00e8s la d\u00e9sinfection, car cela pourrait souffler le d\u00e9sinfectant hors des plateaux et paniers.\r\n<blockquote>Cela permettra d\u2019\u00e9vaporer l\u2019eau, de l\u2019\u00e9liminer des surfaces et de permettre au syst\u00e8me CVC de l\u2019extraire de l\u2019air.<\/blockquote>\r\n<\/div>\r\n<\/div>\r\n<div>\r\n<div class=\"row mt5\">\r\n<div class=\"row\">\r\n<div class=\"col-1-4\"><img decoding=\"async\" class=\" mr5 mb5\" src=\"https:\/\/lohmann-breeders.com\/media\/2025\/11\/hatchery-contamination-icon4.png\" alt=\"\" width=\"80%\" data-aos=\"fade-right\"><\/div>\r\n<div class=\"col-3-4\">\r\n\r\nEnfin, par conditions estivales chaudes et humides, \u00e9vitez l\u2019admission d\u2019air frais, car celui ci peut contenir beaucoup plus de vapeur d\u2019eau que le climat int\u00e9rieur souhait\u00e9 (par ex. 25 \u00b0C \/ 50 % HR).\r\n<blockquote>M\u00eame un air ext\u00e9rieur \u00e0 40 \u00b0C et 25 % HR peut apporter plus d\u2019humidit\u00e9 que souhait\u00e9 \u00e0 l\u2019int\u00e9rieur.<\/blockquote>\r\n<\/div>\r\n<\/div>\r\n<div>\r\n<div class=\"row\">\r\n<div class=\"col-1-4\"><img decoding=\"async\" class=\" mr5 mb5\" src=\"https:\/\/lohmann-breeders.com\/media\/2025\/11\/hatchery-contamination-icon5.png\" alt=\"\" width=\"80%\" data-aos=\"fade-right\"><\/div>\r\n<div class=\"col-3-4\">\r\n\r\nUne autre source fr\u00e9quente de contamination provient des conduits d\u2019air, qu\u2019ils soient d\u2019admission ou d\u2019extraction.\r\n<blockquote>Nous recommandons de minimiser le nombre de conduits au dessus des machines et dans le b\u00e2timent, car ces zones peuvent devenir sales et humides au fil du temps, cr\u00e9ant des conditions id\u00e9ales pour la croissance microbienne, en particulier des moisissures.<\/blockquote>\r\n<\/div>\r\n<\/div>\r\n<div class=\"row mt5 mb5\"><strong class=\"subtitle\" style=\"text-align: left;\">\r\nAu lieu de conduits, envisagez des pl\u00e9nums suffisamment grands pour qu\u2019une personne puisse s\u2019y tenir debout et y circuler. La vitesse de l\u2019air peut facilement y \u00eatre ajust\u00e9e pour assurer une distribution correcte dans les diff\u00e9rentes zones du couvoir.\r\n<\/strong><\/div>\r\n<div class=\"row mt5\"><img decoding=\"async\" class=\"imgcenter\" src=\"https:\/\/lohmann-breeders.com\/media\/2025\/11\/hatchery-contamination-img2.png\" alt=\"\" width=\"70%\" data-aos=\"fade-right\"><\/div>\r\n<div class=\"row mt5\">\r\n<h2 style=\"text-decoration: underline;\">Conna\u00eetre son ennemi<\/h2>\r\nMaintenir l\u2019hygi\u00e8ne d\u2019un couvoir est une lutte permanente. L\u2019un des aspects les plus importants consiste \u00e0 conna\u00eetre pr\u00e9cis\u00e9ment ses ennemis, c\u2019est \u00e0 dire comprendre exactement quels micro organismes doivent \u00eatre combattus.\r\n\r\nDans un couvoir, les champignons (par ex. Aspergillus sp. et Cladosporium sp.) et les spores sont plus r\u00e9sistants que les bact\u00e9ries Gram n\u00e9gatives (E. coli, Pseudomonas, Proteus sp.) et les bact\u00e9ries Gram positives (Staphylococcus sp.).\r\n<div class=\"row mt5\">\r\n<div class=\"row mt5\">\r\n<div class=\"autogrid padded\">\r\n<div class=\"col\">\r\n<blockquote>Identifier les micro organismes sp\u00e9cifiques affectant la sant\u00e9 de votre couvoir est essentiel avant de d\u00e9cider des strat\u00e9gies de contr\u00f4le.<\/blockquote>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\nAujourd\u2019hui, plusieurs mol\u00e9cules d\u00e9sinfectantes largement utilis\u00e9es existent, comme les ammoniums quaternaires, le glutarald\u00e9hyde et l\u2019acide perac\u00e9tique, toutes efficaces contre diff\u00e9rents types de bact\u00e9ries et de champignons.\r\n<div class=\"row mt5\">\r\n<div class=\"row mt5\">\r\n<div class=\"autogrid padded\">\r\n<div class=\"col\">\r\n<blockquote>De nouvelles mol\u00e9cules sont r\u00e9cemment arriv\u00e9es sur le march\u00e9, telles que la chloramine T, Anolytech ou l\u2019ortho phthalald\u00e9hyde.<\/blockquote>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"row mt5\"><img decoding=\"async\" class=\"imgcenter\" src=\"https:\/\/lohmann-breeders.com\/media\/2026\/02\/hatchery-contamination-img3-FR.png\" alt=\"\" width=\"70%\" data-aos=\"fade-right\"><\/div>\r\n<div class=\"row mt5\"><strong class=\"subtitle\" style=\"text-align: left;\">\r\nQuelle que soit leur disponibilit\u00e9 dans votre pays, le facteur le plus important est de v\u00e9rifier leur efficacit\u00e9 r\u00e9elle contre les souches microbiennes pr\u00e9sentes dans votre couvoir.\r\n<\/strong><\/div>\r\n<div class=\"row mt5\">\r\n<h2 style=\"text-decoration: underline;\">Puissance, Temp\u00e9rature, Produit, Temps (PTPL)<\/h2>\r\nPuissance d\u00e9signe l\u2019application d\u2019une force physique \u2014 par une machine ou par le personnel \u2014 lors du nettoyage. Cela peut inclure le frottement d\u2019une paroi d\u2019\u00e9closoir, l\u2019utilisation d\u2019un jet haute pression sur un plateau d\u2019incubateur ou le nettoyage de toute autre surface n\u00e9cessitant une attention r\u00e9guli\u00e8re. Appliquer suffisamment de puissance d\u00e8s le d\u00e9but du processus facilite les \u00e9tapes suivantes du PTPT \u2014 et l\u2019inverse est tout aussi vrai.\r\n<div class=\"row mt5\">\r\n<div class=\"row mt5\">\r\n<div class=\"autogrid padded\">\r\n<div class=\"col\">\r\n<blockquote>Aujourd\u2019hui, de nombreuses machines tr\u00e8s efficaces permettent de remplacer une grande partie du travail manuel impliqu\u00e9 dans ce processus, et il est recommand\u00e9 de s\u2019appuyer syst\u00e9matiquement sur ces \u00e9quipements pour les t\u00e2ches les plus exigeantes du couvoir. Dans toute proc\u00e9dure de nettoyage, la puissance doit toujours \u00eatre la premi\u00e8re consid\u00e9ration.<\/blockquote>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\nIl est bien connu que l\u2019eau chaude am\u00e9liore le nettoyage, car elle augmente la solubilit\u00e9 des produits chimiques, \u00e9limine les d\u00e9p\u00f4ts et aide \u00e0 retirer les graisses \u2014 particuli\u00e8rement utile dans les \u00e9closoirs o\u00f9 les r\u00e9sidus de jaune sont parmi les contaminants les plus difficiles \u00e0 enlever.\r\n<div>\r\n<div>\r\n<div class=\"autogrid padded\">\r\n<div class=\"col\">\r\n<blockquote>Un point souvent n\u00e9glig\u00e9 concerne la plage de temp\u00e9rature de croissance des micro organismes. Les m\u00e9sophiles \u2014 un groupe de bact\u00e9ries et de champignons \u2014 se d\u00e9veloppent id\u00e9alement entre ~15 \u00b0C et 45 \u00b0C, avec un pic \u00e0 37\u201338 \u00b0C, soit exactement la plage utilis\u00e9e pour l\u2019incubation.<\/blockquote>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<div><img decoding=\"async\" class=\"imgcenter\" src=\"https:\/\/lohmann-breeders.com\/media\/2026\/02\/hatchery-contamination_img4-FR.png\" alt=\"\" width=\"70%\" data-aos=\"fade-right\"><\/div>\r\nLe choix d\u00e9pend de l\u2019objectif de nettoyage. Les d\u00e9tergents alcalins sont g\u00e9n\u00e9ralement plus efficaces sur la mati\u00e8re organique, tandis que les d\u00e9tergents acides sont mieux adapt\u00e9s pour \u00e9liminer les d\u00e9p\u00f4ts min\u00e9raux provenant, par exemple, d\u2019une eau dure. Les d\u00e9tergents \u00e0 nanotechnologie \u2014 pas encore disponibles partout \u2014 sont particuli\u00e8rement performants pour \u00e9liminer les prot\u00e9ines et\r\nles graisses.\r\n<div>\r\n<div>\r\n<div class=\"autogrid padded\">\r\n<div class=\"col\">\r\n<blockquote>La mousse est souvent privil\u00e9gi\u00e9e car elle rend l\u2019application visible, mais la taille des bulles joue un r\u00f4le important : les petites bulles adh\u00e8rent mieux aux surfaces tandis que les grandes repoussent le d\u00e9tergent.<\/blockquote>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\nTemps (Lapse\/Temps de contact) d\u00e9signe la dur\u00e9e durant laquelle le d\u00e9tergent ou d\u00e9sinfectant doit agir pour \u00eatre efficace. Plus des erreurs ont \u00e9t\u00e9 commises dans les \u00e9tapes pr\u00e9c\u00e9dentes, plus le temps de contact n\u00e9cessaire sera long.\r\n<div>\r\n<div>\r\n<div class=\"autogrid padded\">\r\n<div class=\"col\">\r\n<blockquote>Tuer les micro organismes est un processus multi \u00e9tapes (perturbation des membranes, d\u00e9gradation des prot\u00e9ines, dommages aux acides nucl\u00e9iques, etc.), ce qui requiert du temps \u2014 au moins 20 minutes pour une action efficace.<\/blockquote>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<div><img decoding=\"async\" class=\"imgcenter\" src=\"https:\/\/lohmann-breeders.com\/media\/2025\/11\/hatchery-contamination-img5.png\" alt=\"\" width=\"50%\" data-aos=\"fade-right\"><\/div>\r\n<div>\r\n<h2 style=\"text-decoration: underline;\">Diffusion gazeuse<\/h2>\r\nLors de la d\u00e9sinfection (pas seulement des \u0153ufs), il est important de comprendre les principes fondamentaux de la diffusion gazeuse.\r\n\r\nPour une diffusion optimale, il faut la bonne dose (concentration), la bonne temp\u00e9rature de l\u2019air et une ventilation ad\u00e9quate (r\u00e9partition). Une distribution rapide et homog\u00e8ne de l\u2019ingr\u00e9dient actif est essentielle, en particulier avec les ald\u00e9hydes comme le formol, qui peuvent provoquer une mortalit\u00e9 embryonnaire en cas de mauvaise gestion.\r\n<div>\r\n<div>\r\n<div class=\"autogrid padded\">\r\n<div class=\"col\">\r\n<blockquote>Lorsque les \u0153ufs sont trop serr\u00e9s, la circulation de l\u2019air entre eux est limit\u00e9e. L\u2019utilisation de chariots et de plateaux d\u2019incubation facilite le passage de l\u2019air, mais des facteurs comme la vitesse de l\u2019air, le temps d\u2019exposition et la surface de contact doivent \u00eatre soigneusement \u00e9quilibr\u00e9s.<\/blockquote>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\nLa d\u00e9sinfection gazeuse n\u2019est pas destin\u00e9e \u00e0 p\u00e9n\u00e9trer l\u2019\u0153uf ni \u00e0 r\u00e9agir avec d\u2019autres substances pr\u00e9sentes dans l\u2019environnement. Elle cr\u00e9e plut\u00f4t une solution gazeuse avec une concentration sp\u00e9cifique d\u2019ingr\u00e9dient actif qui agit sur la surface de l\u2019\u0153uf.\r\n\r\nLe dosage doit tenir compte du volume d\u2019air libre de la pi\u00e8ce : plus il y a d\u2019\u0153ufs, moins il y a d\u2019air disponible, ce qui modifie la concentration effective m\u00eame si la quantit\u00e9 de produit reste la m\u00eame.\r\n<div><img decoding=\"async\" class=\"imgcenter\" src=\"https:\/\/lohmann-breeders.com\/media\/2026\/02\/hatchery-contamination_img6-FR.png\" alt=\"\" width=\"70%\" data-aos=\"fade-right\"><\/div>\r\n<div><img decoding=\"async\" class=\"imgcenter\" src=\"https:\/\/lohmann-breeders.com\/media\/2026\/02\/hatchery-contamination-img7-FR-scaled.png\" alt=\"\" width=\"70%\" data-aos=\"fade-right\"><\/div>\r\n<div class=\"my-5\"><strong class=\"subtitle\" style=\"text-align: left;\">\r\nAvec ces mesures, votre couvoir sera mieux prot\u00e9g\u00e9 contre tous les types de micro organismes.<\/strong><\/div>\r\n<div class=\"padded mt5\">\r\n<div class=\"col mychart\">\r\n<blockquote class=\"\"><strong class=\"subtitle\">If any question arises, it will be a pleasure for the Global LOHMANN BREEDERS Technical Service Team to serve you and your company.<\/strong><\/blockquote>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>","protected":false},"excerpt":{"rendered":"La contamination d\u2019un couvoir peut repr\u00e9senter l\u2019un des d\u00e9fis les plus s\u00e9rieux pour toute la gestion de la production, puisque le couvoir constitue le principal carrefour de l\u2019industrie avicole, reliant les \u00e9levages de reproducteurs aux fermes commerciales.","protected":false},"author":22,"featured_media":97686,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[1517],"tags":[],"class_list":["post-99838","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-poultry-news-fr","species-poultry-news-fr","issue-2025-01","yeararchive-2025-fr","authors-thomas-abdo-calil-fr"],"acf":[],"yoast_head":"<title>Contamination des couvoirs: Principes et conseils pratiques - Lohmann Breeders<\/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:\/\/lohmann-breeders.com\/fr\/hatchery-contamination-principles-and-practical-tips-2\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Contamination des couvoirs: Principes et conseils pratiques - Lohmann Breeders\" \/>\n<meta property=\"og:description\" content=\"La contamination d\u2019un couvoir peut repr\u00e9senter l\u2019un des d\u00e9fis les plus s\u00e9rieux pour toute la gestion de la production, puisque le couvoir constitue le principal carrefour de l\u2019industrie avicole, reliant les \u00e9levages de reproducteurs aux fermes commerciales.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lohmann-breeders.com\/fr\/hatchery-contamination-principles-and-practical-tips-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Lohmann Breeders\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-16T11:36:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-17T12:54:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lohmann-breeders.com\/media\/2025\/11\/hatchery-contamination-cover.png\" \/>\n\t<meta property=\"og:image:width\" content=\"650\" \/>\n\t<meta property=\"og:image:height\" content=\"585\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Enrique agrinews\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Enrique agrinews\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/lohmann-breeders.com\/fr\/hatchery-contamination-principles-and-practical-tips-2\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/lohmann-breeders.com\/fr\/hatchery-contamination-principles-and-practical-tips-2\/\"},\"author\":{\"name\":\"Enrique agrinews\",\"@id\":\"https:\/\/lohmann-breeders.com\/fr\/#\/schema\/person\/bde309106134472af6aef910320e7f13\"},\"headline\":\"Contamination des couvoirs: Principes et conseils pratiques\",\"datePublished\":\"2025-12-16T11:36:28+00:00\",\"dateModified\":\"2026-03-17T12:54:40+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/lohmann-breeders.com\/fr\/hatchery-contamination-principles-and-practical-tips-2\/\"},\"wordCount\":1393,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/lohmann-breeders.com\/fr\/#organization\"},\"image\":{\"@id\":\"https:\/\/lohmann-breeders.com\/fr\/hatchery-contamination-principles-and-practical-tips-2\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/lohmann-breeders.com\/media\/2025\/11\/hatchery-contamination-cover.png\",\"articleSection\":[\"Poultry News\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/lohmann-breeders.com\/fr\/hatchery-contamination-principles-and-practical-tips-2\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lohmann-breeders.com\/fr\/hatchery-contamination-principles-and-practical-tips-2\/\",\"url\":\"https:\/\/lohmann-breeders.com\/fr\/hatchery-contamination-principles-and-practical-tips-2\/\",\"name\":\"Contamination des couvoirs: Principes et conseils pratiques - 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