酵母培养对Simmental肉牛生长性能,抗氧化能力,免疫功能和肠道微生物群结构的影响
Xueqiang Li1,2, Nan An1,2, Hui Chen1,2
1College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, China.
Frontiers in veterinary science
|February 17, 2025
概括
酵母培养 (YC) 补充剂改善了肉牛的生长,抗氧化剂和免疫功能. 它还增强了肠道微生物群的多样性和有益细菌,支持其在畜牧业的使用.
科学领域:
- 动物科学动物科学
- 微生物学 微生物学
- 免疫学 免疫学 免疫学
背景情况:
- 酵母培养 (YC) 是动物养殖中的功能性料添加剂.
- 在各种动物应用中,YC已经证明了广泛的有效性.
研究的目的:
- 评估YC对成长绩效的影响.
- 评估YC对抗氧化能力和免疫功能的影响.
- 分析YC对肉牛肠道微生物群结构的影响.
主要方法:
- 40只simmental公牛被分为对照组 (TMR) 和YC补充组 (TMR + 2% YC) 在60天内.
- 血清和便样本以规定的间隔收集.
- 分析了生长表现,血清生物化学标记,免疫指标和便微生物群.
主要成果:
- YC显著增加了平均每日增益,并改善了料与体重的比率.
- 黄糖增强了血清抗氧化酶活动 (超氧化脱酶,谷氨过氧化酶) 和降低了脂质过氧化 (马隆迪化物).
- 黄糖增强了免疫标记物 (免疫球蛋白,酶,性酸酶,白内素,干扰素-γ) 和增加了便微生物多样性 (Shannon,观察到的物种).
- 通过YC调节肠道微生物群,增加了诸如*Paraprevotellace_CF231*和*Peptostreptococcaceae_Clostridium*之类的有益物种,同时减少了*Spirochaetaceae_Treponema*.
结论:
- 补充YC有效地改善了Simmental肉牛的生长性能.
- 黄糖增强抗氧化剂和免疫反应,有助于整体健康.
- 黄糖积极调节肠道微生物群结构,为其在肉牛养殖中的应用提供了理论基础.
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