{"id":33760,"date":"2020-09-28T18:50:19","date_gmt":"2020-09-28T18:50:19","guid":{"rendered":"https:\/\/hn-int.com\/candling-and-transfer\/"},"modified":"2025-03-21T10:11:25","modified_gmt":"2025-03-21T10:11:25","slug":"candling-and-transfer","status":"publish","type":"post","link":"https:\/\/hn-int.com\/fr\/candling-and-transfer\/","title":{"rendered":"Transparence et Transfert"},"content":{"rendered":"

Transparence<\/span><\/span><\/h2>\n

La transparence est un moyen d’identifier les embryons non f\u00e9cond\u00e9s et les embryons morts pr\u00e9matur\u00e9ment. Les plateaux d’\u0153ufs sont pass\u00e9s au-dessus d’une source lumineuse puissante qui montre clairement les embryons non f\u00e9cond\u00e9s et morts pr\u00e9matur\u00e9ment. La transparence n’est pas syst\u00e9matiquement r\u00e9alis\u00e9e dans toutes les couvoirs, car elle n\u00e9cessite un \u00e9quipement suppl\u00e9mentaire et du travail. Cependant, nous recommandons de candeler un \u00e9chantillon de chaque lot chaque semaine pour surveiller l’\u00e9tat des reproducteurs. Si le pourcentage de cand\u00e9labres d\u00e9passe 10 %, alors tous les \u0153ufs devraient \u00eatre cand\u00e9lis\u00e9s, les \u0153ufs clairs retir\u00e9s et les plateaux de couveuse remplis \u00e0 95\u2013100 %. Cela am\u00e9liorera les r\u00e9sultats techniques.<\/span> <\/span><\/p>\n

La transparence est g\u00e9n\u00e9ralement effectu\u00e9e entre le 9e et le 10e jour ou est incluse dans la routine de transfert. Lorsqu’elle est effectu\u00e9e lors du transfert, une machine automatique de cand\u00e9labres avec un retire-\u0153ufs est souvent utilis\u00e9e pour suivre le rythme. Ces machines sont assez co\u00fbteuses et ne sont pas rentables pour les petits couvoirs. Un cand\u00e9labre de table, qui illumine un plateau entier de couveuse par le dessous, est utilis\u00e9 dans de nombreux couvoirs. Un cand\u00e9labre ponctuel est id\u00e9al pour candeler des \u00e9chantillons. C’est de loin la m\u00e9thode la moins ch\u00e8re et la plus pr\u00e9cise, mais elle n\u00e9cessite une certaine formation et est plus chronophage lorsqu’il s’agit de gros volumes.<\/span><\/p>\n

<\/div>\n

Si la transparence est combin\u00e9e avec la s\u00e9paration des \u0153ufs clairs, c’est la meilleure m\u00e9thode pour identifier la f\u00e9condit\u00e9 (voir le chapitre \u00ab\u00a0Analyse de la s\u00e9paration\u00a0\u00bb pour plus de d\u00e9tails). Les \u0153ufs mis \u00e0 l’envers, les \u0153ufs fissur\u00e9s et d’autres \u0153ufs de deuxi\u00e8me qualit\u00e9 peuvent \u00e9galement \u00eatre not\u00e9s \u00e0 ce stade. Une telle analyse de la transparence peut \u00eatre une partie importante du programme de contr\u00f4le qualit\u00e9 d’un couvoir.<\/span><\/span><\/p>\n

Transfert<\/span><\/span><\/h2>\n

Les plateaux d’incubation sont con\u00e7us pour maximiser la quantit\u00e9 d’\u0153ufs pouvant \u00eatre plac\u00e9s dans un incubateur et permettre un retournement facile des \u0153ufs. Cependant, ils ne conviennent pas \u00e0 l’\u00e9closion, simplement parce que les poussins tomberaient des plateaux. Par cons\u00e9quent, les \u0153ufs sont retir\u00e9s de l’incubateur apr\u00e8s 18 \u00e0 18,5 jours, transf\u00e9r\u00e9s des plateaux d’incubation aux paniers d’\u00e9closion et plac\u00e9s dans des armoires d’\u00e9closion s\u00e9par\u00e9es. De cette mani\u00e8re, le transfert contribue \u00e0 \u00e9loigner la grande quantit\u00e9 de duvet g\u00e9n\u00e9r\u00e9e pendant l’\u00e9closion des zones propres du couvoir.<\/span><\/span><\/p>\n

<\/div>\n

Lorsque diff\u00e9rents lots d’\u0153ufs sont plac\u00e9s dans le m\u00eame incubateur, il est conseill\u00e9 de les s\u00e9parer lors du transfert dans des couvoirs diff\u00e9rents (si les capacit\u00e9s de la machine le permettent). Cela harmonisera le processus d’\u00e9closion, r\u00e9duira la dispersion de l’\u00e9closion et am\u00e9liorera la qualit\u00e9 des poussins. Cependant, un couvoir compl\u00e8tement rempli avec diff\u00e9rents lots d’\u0153ufs est pr\u00e9f\u00e9rable \u00e0 un couvoir partiellement rempli.<\/span><\/span><\/p>\n

Pendant le transfert, il est tr\u00e8s important de garantir un processus fluide. Le personnel doit comprendre que le poussin en croissance a utilis\u00e9 du calcium provenant de la coquille pour sa croissance et que les coquilles sont tr\u00e8s fragiles \u00e0 ce stade. Ne vous attendez pas \u00e0 obtenir un poussin \u00e0 partir d’un \u0153uf qui s’est fissur\u00e9.<\/span> <\/span><\/p>\n

La temp\u00e9rature dans la salle de transfert doit \u00eatre d’au moins 25 \u00b0C \/ 77 \u00b0F et aucun chariot ne doit rester hors d’un incubateur pendant plus de 30 minutes. Si le transfert est bien organis\u00e9, chaque chariot (environ 5000 \u0153ufs) peut \u00eatre effectu\u00e9 en moins de dix minutes. Cela \u00e9vite un refroidissement excessif et in\u00e9gal des \u0153ufs, ce qui augmenterait la dispersion de l’\u00e9closion. Bien entendu, le transfert ne doit \u00eatre effectu\u00e9 que dans des paniers d’\u00e9closion et des armoires d’\u00e9closion propres, chauds et secs.<\/span><\/p>\n

\"\"<\/p>\n

\n

Faites<\/span> les choses <\/span>correctement<\/span><\/span><\/strong><\/p>\n

    \n
  • 1. Les \u0153ufs clairs ne sont pas tous infertiles. Vous devez ouvrir les \u0153ufs pour diff\u00e9rencier entre les \u0153ufs infertiles et les \u0153ufs tr\u00e8s t\u00f4t morts.<\/span><\/span><\/li>\n
  • 2. La cand\u00e9labre, le retrait des \u0153ufs clairs et le remplissage des plateaux sont recommand\u00e9s si le pourcentage d’\u0153ufs clairs d\u00e9passe 10 %.<\/span><\/span><\/li>\n
  • 3. La temp\u00e9rature de la salle de transfert doit \u00eatre d’au moins 25 \u00b0C \/ 77 \u00b0F.<\/span><\/span><\/li>\n
  • 4. La cand\u00e9labre des \u0153ufs et le transfert ne doivent pas durer plus de 30 minutes par chariot.<\/span><\/span> <\/span><\/li>\n
  • 5. Transf\u00e9rez uniquement les \u0153ufs dans un couvoir propre, sec, d\u00e9sinfect\u00e9 et chauff\u00e9.<\/span><\/span><\/li>\n
  • 6. Pr\u00e9f\u00e9rez ne r\u00e9gler qu’un seul lot d’\u0153ufs par couvoir.<\/span><\/span><\/li>\n
  • 7. Pr\u00e9f\u00e9rez ne r\u00e9gler qu’un seul lot d’\u0153ufs par couvoir.<\/span><\/span><\/li>\n
  • 8. Les paniers sont mieux chauff\u00e9s \u00e0 l’int\u00e9rieur des couvoirs et retir\u00e9s directement avant utilisation.<\/span><\/span><\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

    Transparence La transparence est un moyen d’identifier les embryons non f\u00e9cond\u00e9s et les embryons morts pr\u00e9matur\u00e9ment. Les plateaux d’\u0153ufs sont pass\u00e9s au-dessus d’une source lumineuse puissante qui montre clairement les embryons non f\u00e9cond\u00e9s et morts pr\u00e9matur\u00e9ment. La transparence n’est pas syst\u00e9matiquement r\u00e9alis\u00e9e dans toutes les couvoirs, car elle n\u00e9cessite un \u00e9quipement suppl\u00e9mentaire et du travail. […]<\/p>\n","protected":false},"author":1483,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[397],"tags":[],"class_list":["post-33760","post","type-post","status-publish","format-standard","hentry","category-couvoir"],"acf":[],"yoast_head":"\nTransparence et Transfert - h&n International<\/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:\/\/hn-int.com\/fr\/candling-and-transfer\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Transparence et Transfert - h&n International\" \/>\n<meta property=\"og:description\" content=\"Transparence La transparence est un moyen d’identifier les embryons non f\u00e9cond\u00e9s et les embryons morts pr\u00e9matur\u00e9ment. 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