农场化与化场化对肉生长表现,肠道发育以及肠道健康和功能的影响
Muhammad Zeeshan Akram1, Ester Arévalo Sureda2, Matthias Corion2
1Nutrition and Animal-Microbiota Ecosystems Laboratory, Department of Biosystems, KU Leuven 3000, Heverlee, Belgium; Precision Livestock and Nutrition Unit, Gembloux Agro-Bio Tech, University of Liège, Gembloux, Belgium.
Poultry science
|January 10, 2025
概括
与传统的化室化 (HH) 相比,化场 (HOF) 系统为肉提供了暂时的生长效益和改善肠道健康,增强了粘膜形态和免疫调节.
科学领域:
- 禽畜科学 禽畜科学 禽畜科学
- 动物营养 动物营养
- 胃肠病学 胃肠病学
背景情况:
- 在农场化 (HOF) 系统比化室化 (HH) 提供更早的料获取.
- 早期养可能会改善肠道发育和肉的表现.
- 以前关于HOF对肠道健康的影响的研究尚未得出结论.
研究的目的:
- 评估HOF与HH对 brojler肠道健康和性能的影响.
- 研究与肠道屏障功能,免疫力和新陈代谢相关的基因表达.
主要方法:
- 560只罗斯308雄被分为HOF和HH组.
- 测量了生产参数,器官特征和肠道组织形态学.
- 高通量qPCR分析了79个在d7,14和38的状基因.
主要成果:
- 霍夫小显示过渡的早期成长优势,但没有长期的绩效差异.
- HOF增强了十二指甲状腺的宽度和阴道密室的深度.
- HH调节了肠道屏障和营养物质转运基因,而HOF调节了与免疫相关的基因.
结论:
- 霍夫系统改善肉肠粘膜形态和免疫反应.
- 尽管有暂时的生长益处,但HOF表明肠道健康得到改善.
- 基因表达分析揭示了HOF和HH之间独特的肠道发育途径.
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