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醇糖化物对胡羊的生长表现,乳头发酵和微生物多样性的影响

Jianeng Zhang^1,2, Xiongxiong Li³, Yuzhu Sha³

¹College of Pratacultural Science, Gansu Agricultural University, Lanzhou 730070, China.

Animals : an open access journal from MDPI

|July 13, 2024

概括

石醇糖化物没有影响胡羊的生长或血液标记物,但改变了肠发酵和微生物组成. 这项研究研究了醇糖化物.

科学领域:

动物科学动物科学
流体微生物学流体微生物学
营养生物化学营养生物化学

背景情况:

醇糖化物是天然的甜味剂,在动物营养中具有潜在的应用.
了解它们对反动物生理和肠道微生物群的影响对于优化畜牧业生产至关重要.

研究的目的:

评估食中的醇糖化物对胡羊的生长表现,肠发酵和微生物多样性的影响.
在补充醇糖化物时,分析乳头微生物群和挥发性脂肪酸 (VFA) 之间的关系.

主要方法:

20只胡羊分为对照组 (基础饮食) 和补充醇糖化物 (0.07%的饮食) 的组.
90天后分析了生长表现,血液生物化学指数,乳头发酵参数 (pH,NH3-N,VFA) 和微生物多样性 (OTUs,Shannon,Simpson,Chao1,Ace指数).
通过测序确定了类和属水平的微生物组成,并进行了相关性分析.

主要成果:

两组之间没有观察到生长表现或血清生物化学指数的显著差异.
醇糖化物补充剂显著降低了乳头氨 (NH3-N) 和酸 (AA) 水平,而其他VFA保持不变.
血液中的微生物多样性指数 (OTUs,Shannon,Simpson,Chao1,Ace) 在补充剂组明显较低. 基层分析显示蛋白质细菌增加,Patescibacteria和Desulfobacteria减少. 属级分析显示了Prevotella_7和Succinivibrionaceae_UCG_001的增加,并减少了Rikenellaceae_RC9_gut_group.

结论:

饮食中的醇糖化物不会显著影响胡羊的生长性能或血液生物化学指数.
醇糖化物可以通过减少NH3-N和AA来调节 rumen 发酵,并改变 rumen 微生物结构,包括多样性和组成.
观察到特定的微生物转移,例如蛋白质细菌和Succinivibrionaceae_UCG_001的增加,与VFA概况相关.

关键词:

胡羊胡羊胡羊是什么意思微生物多样性的微生物多样性黄皮发酵黄皮发酵黄皮发酵醇糖化物是什么易挥发的脂肪酸易挥发的脂肪酸

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