饮食鱼水性提取物通过调节肠道微生物组合来改善 brojlers 的生长性能和肠道健康
Fan Zhang1, Jiantao Yang1, Qinyi Zhan1
1College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China.
Journal of animal science and biotechnology
|August 31, 2023
概括
Oregano 水性提取物 (OAE) 通过增强肠道健康来改善肉的生长. 通过调节肠道微生物群和增强肠道免疫力,OAE补充剂增加了体重并改善了料转化率.
科学领域:
- 动物科学动物科学
- 肠道微生物组研究研究
- 禽类的营养 养
背景情况:
- 肠道健康对于肉的生长和发育至关重要.
- Oregano 水性提取物 (OAE) 显示出潜在的抗炎和抗菌特性.
- 对OAE对 brojler肠道健康的特殊影响及其机制需要进一步研究.
研究的目的:
- 评估OAE对肉生长表现的影响.
- 分析OAE对肠道微生物群组成和肠道健康的影响.
- 阐明OAE在 brojlers中的保护作用的潜在机制.
主要方法:
- 840只Arbor Acres肉被分为6组,包括对照组,抗生素补充组和OAE补充组 (400-700 mg/kg).
- 进行了体外发酵和口服试验,以评估OAE的功能作用.
- 分析了生长表现,直肠形态,肠道微生物群,短链脂肪酸和免疫反应 (IL-4,IL-10,SIgA).
主要成果:
- 补充700mg/kg的OAE显著改善了体重和料转换率.
- OAE降低了骨密室深度,并改变了IL-4和IL-10的mRNA表达.
- OAE增加了有益细菌 (Firmicutes,Lactobacillus) 和短链脂肪酸 (酸,黄油酸) 在阴中的丰富度.
- 在体外研究证实了OAE能够促进乳酸菌和酸的产生,同时减少Enterobacteriaceae.
结论:
- 饮食中服用OAE补充剂可以提高肉生长性能和肠道健康.
- OAE调节肠道微生物群的组成,增加有益的细菌和短链脂肪酸.
- OAE增强肠道粘膜免疫力和屏障功能,有助于改善整体健康.
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