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评估颗粒化总混合料对胡羊的养效应:生长,肠发酵和肠细菌群体

Chuankai Zhang¹, Xiaohui Kong¹, Peijun Hou¹

¹College of Animal Science and Technology, Henan International Joint Laboratory of Nutrition Regulati, Zhengzhou, China.

Animal bioscience

|May 22, 2025

概括

颗粒总混合 (PTMR) 与总混合 (TMR) 相比,显著改善了胡羊的生长性能. PTMR降低了肠细菌多样性,但增加了平均每日增益和干物质摄入量,显示了实际应用的潜力.

科学领域:

动物科学动物科学
类动物营养类动物营养
微生物组研究微生物组研究

背景情况:

优化料配方对于提高牲畜生产率和效率至关重要.
了解料加工对皮功能和微生物群落的影响对于动物健康和表现至关重要.

研究的目的:

为了比较胡羊的生长表现,乳头发酵和细菌群体,胡羊被养总混合食 (TMR) 与颗粒总混合食 (PTMR).
评估PTMR在肥黄羊的养效率和实际应用.

主要方法:

一个为期58天的养试验,涉及48只胡羊,随机分配到TMR或PTMR组.
监测体重和料摄入量,以评估生长性能.
液的收集和分析,以评估发酵参数和细菌群体组成.

主要成果:

颗粒总混合饮食 (PTMR) 组的体重,平均每日增加和干物质摄入量明显高于TMR组.
两组之间没有观察到乳头发酵参数的显著差异.
PTMR组表现出减少的乳头细菌多样性 (较低的Sob,Ace,Bootstrap,Shannon和Chao指数) 和特定细菌的丰富性变化 (例如,较低的Succinivibrionaceae_UCG-001,较高的Rikenellaceae_RC9_gut_group,NK4A214_group,Streptococcus).
细菌功能的预测表明PTMR组中的能量生产和转换途径的下调.

结论:

颗粒总混合 (PTMR) 提高了胡羊的生长表现,通过增加平均每日增长和干物质摄入量来证明这一点.
尽管PTMR减少了乳头细菌的多样性,但它在绵羊养殖中具有实际应用的潜力.
进一步的研究可能会探讨将改变的小肠微生物群与养PTMR的羊的增长改善联系在一起的特定机制.

关键词:

增长表现的成长表现颗粒制成的混合配给总量体细菌体细菌绵羊是一种羊.

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