{"id":57058,"date":"2019-11-13T00:00:00","date_gmt":"2019-11-13T00:00:00","guid":{"rendered":"https:\/\/www.zinpro.com\/bco-lameness-in-chickens-the-tip-of-an-iceberg\/"},"modified":"2023-07-19T13:10:05","modified_gmt":"2023-07-19T18:10:05","slug":"bco-lameness-in-chickens-the-tip-of-an-iceberg","status":"publish","type":"post","link":"https:\/\/www.zinpro.com\/fr\/resource-center\/blog\/bco-lameness-in-chickens-the-tip-of-an-iceberg\/","title":{"rendered":"BCO La boiterie chez les poulets : la pointe de l'iceberg"},"content":{"rendered":"

La chondron\u00e9crose bact\u00e9rienne avec ost\u00e9omy\u00e9lite\n(BCO) est la cause la plus fr\u00e9quente de boiterie chez les poulets aux \u00c9tats-Unis,\nl'Union europ\u00e9enne et en Am\u00e9rique du Sud. Elle affecte cliniquement environ 1,5% de tous les\ndes poulets de chair \u00e9lev\u00e9s jusqu'au poids de rendement et peut \u00e9galement affecter les dindes et les canards. <\/p>\n\n\n\n

En savoir plus : Strat\u00e9gies de pr\u00e9vention et de gestion de la boiterie BCO<\/em><\/a><\/p>\n\n\n\n

En r\u00e8gle g\u00e9n\u00e9rale, 1,5% de poulets de chair sont abattus dans les troupeaux affect\u00e9s par la boiterie BCO.\ndes troupeaux affect\u00e9s par la boiterie BCO, mais les \u00e9pid\u00e9mies peuvent toucher plus de\nplus de 15% d'un troupeau. L'incidence la plus \u00e9lev\u00e9e est observ\u00e9e dans les troupeaux \u00e0 croissance la plus rapide.\ncroissance la plus rapide. <\/p>\n\n\n\n

Lors du s\u00e9minaire international Zinpro sur la volaille qui s'est tenu \u00e0 Chicago, le Dr.\nAdnan Alrubaye, DVM et docteur en sciences, d\u00e9partement des sciences avicoles et sciences biologiques, programme d'\u00e9tudes sup\u00e9rieures en biologie cellulaire et mol\u00e9culaire, universit\u00e9 de Chicago.\nBiological Sciences, graduate program in Cell and Molecular Biology, University of Arkansas.\nde l'Arkansas, a fait une pr\u00e9sentation sur l'impact de la boiterie BCO chez les poulets. <\/p>\n\n\n\n

Je l'ai rencontr\u00e9 par la suite pour discuter des d\u00e9tails.\nd\u00e9tails.<\/p>\n\n\n\n

Marco Rebollo :<\/em><\/strong> Comment fonctionne la boiterie BCO et comment les poulets de chair sont-ils infect\u00e9s ?\nles poulets de chair sont-ils infect\u00e9s ? <\/strong><\/p>\n\n\n\n

Adnan Alrubaye :<\/em> La boiterie de la BCO est caus\u00e9e par une vari\u00e9t\u00e9 de\npathog\u00e8nes et des facteurs de stress, et d'une mani\u00e8re ou d'une autre li\u00e9e \u00e0 la croissance des poulets de chair.\ndes poulets de chair, des microfractures et le d\u00e9veloppement de la circulation dans les plaques de croissance du f\u00e9mur et du tibia.\ndu f\u00e9mur et du tibia. <\/p>\n\n\n\n

Les bact\u00e9ries peuvent s'\u00e9chapper du syst\u00e8me respiratoire\net\/ou du tractus gastro-intestinal dans la circulation sanguine et finir par s'installer dans ces plaques de croissance, entra\u00eenant une n\u00e9crose.\ndans les plaques de croissance, entra\u00eenant une n\u00e9crose. Les os finissent par s'affaiblir au point que l'oiseau ne peut plus se tenir debout ou marcher.\njusqu'\u00e0 ce que l'oiseau ne puisse plus se tenir debout ou marcher. <\/p>\n\n\n\n

M\u00eame lorsqu'un faible pourcentage de boiteries cliniques est constat\u00e9, elles indiquent un plus grand nombre d'autres probl\u00e8mes, tels que des l\u00e9sions de la colonne vert\u00e9brale.\npourcentage, elle indique un plus grand nombre d'autres probl\u00e8mes, tels que des barri\u00e8res \u00e9pith\u00e9liales endommag\u00e9es\nbarri\u00e8res \u00e9pith\u00e9liales endommag\u00e9es (probablement par coccidiose, ent\u00e9rite n\u00e9crotique, dysbiose, virus respiratoires, maladie respiratoire chronique, etc,\nvirus respiratoires, maladies respiratoires chroniques, etc.\n), des infections bact\u00e9riennes subcliniques, des probl\u00e8mes potentiels de s\u00e9curit\u00e9 alimentaire et des douleurs qui compromettent le bien-\u00eatre. <\/p>\n\n\n\n

MR : <\/em><\/strong>Existe-t-il des moyens d'identifier les sympt\u00f4mes subcliniques de la boiterie BCO chez les poulets ?\npoulets ? <\/strong><\/p>\n\n\n\n

AA : <\/em>Actuellement,\nil n'existe pas de m\u00e9thode identifi\u00e9e pour diagnostiquer les l\u00e9sions subcliniques chez les oiseaux vivants,\nc'est pourquoi la boiterie de la BCO est un probl\u00e8me s\u00e9rieux. Elle est consid\u00e9r\u00e9e comme un probl\u00e8me de bien-\u00eatre important qui affecte l'industrie de la volaille aux \u00c9tats-Unis et dans d'autres pays.\nde bien-\u00eatre qui a un impact sur l'industrie de la volaille aux \u00c9tats-Unis et dans de nombreux autres pays \u00e0 travers le monde.\npays \u00e0 travers le monde. <\/p>\n\n\n\n

En r\u00e8gle g\u00e9n\u00e9rale, les oiseaux qui ressentent de la douleur\ndouleur due \u00e0 une boiterie BCO essaient de cacher leurs sympt\u00f4mes pour \u00e9viter d'\u00eatre attaqu\u00e9s par d'autres oiseaux.\npar d'autres oiseaux. Par cons\u00e9quent, il peut \u00eatre tr\u00e8s difficile d'identifier les sympt\u00f4mes cliniques de la boiterie BCO chez les poulets avant qu'il ne soit trop tard.\nde la boiterie BCO chez les poulets avant qu'il ne soit trop tard. Dans de nombreux cas, nous ne pouvons\nidentifier les l\u00e9sions de la BCO que lorsque les oiseaux commencent \u00e0 pr\u00e9senter des sympt\u00f4mes\net\/ou lors de l'autopsie. <\/p>\n\n\n\n

MR : <\/em><\/strong>Vous avez mentionn\u00e9 qu'il existait d'autres facteurs de stress susceptibles d'entra\u00eener une boiterie BCO\nchez les poulets. Avez-vous des exemples ? <\/strong><\/p>\n\n\n\n

AA :<\/em>\nDe nombreux facteurs peuvent stresser les oiseaux, tels que la croissance rapide, la manipulation, le transport et les maladies,\nle transport et les maladies. Nous avons utilis\u00e9 le mod\u00e8le de plancher grillag\u00e9\nRobert Wideman, professeur \u00e9m\u00e9rite au d\u00e9partement des sciences avicoles de l'universit\u00e9 de l'Arkansas, pour cr\u00e9er un stress exp\u00e9rimental.\nde la volaille, Universit\u00e9 de l'Arkansas, pour cr\u00e9er un stress exp\u00e9rimental afin de\ninduire des boiteries. En outre, nous avons mis au point un test de provocation bact\u00e9rienne \u00e0 l'aide de Staphylococcus\nagnetis (S. agnetis)<\/em>qui reproduit l'\u00e9pid\u00e9mie de boiterie chez les oiseaux sur les sols \u00e0 liti\u00e8re.\nsur le sol de la liti\u00e8re. Le mod\u00e8le de sol grillag\u00e9 provoque des boiteries chez les poulets en induisant un stress physique sur les os longs, ce qui conduit \u00e0 terme \u00e0 des microfractures dans les os.\nphysique sur les os longs, ce qui finit par provoquer des microfractures dans les t\u00eates f\u00e9morales et tibiales proximales.\nles t\u00eates f\u00e9morales et tibiales proximales.\nEn outre, les oiseaux pr\u00e9f\u00e8rent naturellement marcher sur la liti\u00e8re.\nne pas permettre aux oiseaux d'avoir acc\u00e8s \u00e0 la liti\u00e8re peut augmenter leur niveau de stress et affaiblir les jonctions serr\u00e9es de l'intestin, ce qui permet aux bact\u00e9ries de se multiplier.\nles jonctions serr\u00e9es intestinales, ce qui permet aux bact\u00e9ries de passer de l'intestin \u00e0 la\nla circulation sanguine et la colonisation \u00e9ventuelle des t\u00eates f\u00e9morales et tibiales proximales.\nf\u00e9morales et tibiales proximales. <\/p>\n\n\n\n

En savoir plus : Les oligo-\u00e9l\u00e9ments de performance renforcent les jonctions serr\u00e9es<\/em><\/a><\/p>\n\n\n\n

En utilisant le mod\u00e8le de plancher en fil de fer ou le d\u00e9fi bact\u00e9rien.\navec S. agnetis<\/em> peut augmenter l'incidence des boiteries de 50% \u00e0\n70%.  <\/p>\n\n\n\n

MR : <\/em>Vous avez men\u00e9 des recherches sur l'effet de la suppl\u00e9mentation des poulets de chair en Availa\u00ae<\/sup>ZMC<\/a> sur l'incidence des boiteries. Qu'avez-vous trouv\u00e9 ? <\/strong><\/p>\n\n\n\n

AA :<\/em>\nL'administration de 1 kg d'Availa-ZMC par tonne m\u00e9trique d'aliments a entra\u00een\u00e9 une r\u00e9duction significative de la boiterie BCO chez les poulets et a retard\u00e9 l'incidence de quatre \u00e0 cinq ans.\nr\u00e9duction significative de la boiterie BCO chez les poulets et en a retard\u00e9 l'incidence de quatre \u00e0 cinq jours.\njours. <\/p>\n\n\n\n

Deux essais ont \u00e9t\u00e9\nL'un utilisant le mod\u00e8le de sol en fil de fer et l'autre sur un sol en liti\u00e8re incorporant le pathog\u00e8ne BCO.\nl'autre sur un sol en liti\u00e8re incorporant le pathog\u00e8ne BCO, S. agnetis<\/em> l'isolat 908, afin de simuler une \u00e9pid\u00e9mie de boiterie naturelle \u00e0 haute virulence dans une \u00e9table.\ndans un poulailler. Les oiseaux nourris avec Availa-ZMC dans le cadre des essais sur le sol grillag\u00e9 ont connu une r\u00e9duction des boiteries allant jusqu'\u00e0 29% BCO.\nde 29% BCO, tandis que les oiseaux nourris avec Availa-ZMC dans les essais sur le sol grillag\u00e9 ont connu une r\u00e9duction de 29% BCO de leur boiterie. S.\nagnetis<\/em> sur l'essai de port\u00e9e a montr\u00e9 une r\u00e9duction de 23% dans la\nl'apparition de la boiterie BCO. Nous avons \u00e9galement constat\u00e9 que les oiseaux nourris avec Availa-ZMC avaient des monocytes dans le sang p\u00e9riph\u00e9rique qui \u00e9taient beaucoup plus actifs pour tuer les animaux.\nmonocytes du sang p\u00e9riph\u00e9rique qui \u00e9taient beaucoup plus actifs dans l'\u00e9limination des S. agnetis<\/em>\n908 en in vitro<\/em> des essais.<\/p>\n\n\n\n

Les donn\u00e9es de ces\nCes \u00e9tudes seront publi\u00e9es en 2020.<\/p>\n\n\n\n

Les oligo-\u00e9l\u00e9ments contenus dans Availa-ZMC - zinc,\nmangan\u00e8se et le cuivre - am\u00e9liorent l'int\u00e9grit\u00e9 de l'intestin en renfor\u00e7ant les jonctions\njonctions serr\u00e9es de l'intestin afin d'\u00e9viter que les bact\u00e9ries ne s'\u00e9chappent et ne s'installent dans les microfractures des plaques de croissance.\ndans les microfractures des plaques de croissance. Availa-ZMC contribue \u00e9galement \u00e0 am\u00e9liorer la qualit\u00e9 des os\nla sant\u00e9 g\u00e9n\u00e9rale et la fonction immunitaire des oiseaux. <\/p>\n\n\n\n

Nous sommes heureux de constater une r\u00e9duction aussi importante de l'incidence de la boiterie chez les poulets lors de l'utilisation d'Availa-ZMC, et nous sommes impatients de mener d'autres recherches sur ces produits. <\/p>\n\n\n\n

Les oligo-\u00e9l\u00e9ments de performance r\u00e9duisent la boiterie chez les poulets<\/h2>\n\n\n\n

L'am\u00e9lioration de la sant\u00e9 intestinale, le renforcement des jonctions serr\u00e9es et l'am\u00e9lioration de la solidit\u00e9 des os sont autant d'\u00e9l\u00e9ments cl\u00e9s pour pr\u00e9venir les boiteries BCO chez les poulets. Pour savoir comment les oligo-\u00e9l\u00e9ments de performance, comme ceux contenus dans Availa-ZMC, am\u00e9liorent la sant\u00e9 globale de votre \u00e9levage de volailles, contactez votre repr\u00e9sentant Zinpro d\u00e8s aujourd'hui<\/a>. <\/p>","protected":false},"excerpt":{"rendered":"

La boiterie BCO chez les poulets affecte environ 1,5% de tous les poulets de chair \u00e9lev\u00e9s jusqu'au poids de rendement, et les \u00e9pid\u00e9mies peuvent affecter plus de 15% d'un troupeau. Le Dr Adnan Alrubaye de l'Universit\u00e9 de l'Arkansas explique comment les oligo-\u00e9l\u00e9ments renforcent les jonctions serr\u00e9es et r\u00e9duisent l'incidence de la boiterie dans les troupeaux de volailles.<\/p>","protected":false},"author":33,"featured_media":57059,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_tec_requires_first_save":true,"_eb_attr":"","_uag_custom_page_level_css":"","_EventAllDay":false,"_EventTimezone":"","_EventStartDate":"","_EventEndDate":"","_EventStartDateUTC":"","_EventEndDateUTC":"","_EventShowMap":false,"_EventShowMapLink":false,"_EventURL":"","_EventCost":"","_EventCostDescription":"","_EventCurrencySymbol":"","_EventCurrencyCode":"","_EventCurrencyPosition":"","_EventDateTimeSeparator":"","_EventTimeRangeSeparator":"","_EventOrganizerID":[],"_EventVenueID":[],"_OrganizerEmail":"","_OrganizerPhone":"","_OrganizerWebsite":"","_VenueAddress":"","_VenueCity":"","_VenueCountry":"","_VenueProvince":"","_VenueState":"","_VenueZip":"","_VenuePhone":"","_VenueURL":"","_VenueStateProvince":"","_VenueLat":"","_VenueLng":"","_VenueShowMap":false,"_VenueShowMapLink":false,"_tribe_blocks_recurrence_rules":"","_tribe_blocks_recurrence_description":"","_tribe_blocks_recurrence_exclusions":"","_ecp_custom_2":"","footnotes":""},"categories":[2682],"tags":[2692,2696,2703,2688,2690],"species":[942],"class_list":["post-57058","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-animal-welfare","tag-epithelial-integrity","tag-food-safety","tag-gut-health","tag-lameness"],"acf":[],"yoast_head":"\nBCO Lameness in Chickens: The Tip of an Iceberg – Zinpro\u00ae<\/title>\n<meta name=\"description\" content=\"posts from Zinpro\u00ae about BCO Lameness in Chickens: The Tip of an Iceberg . 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