迷香提取物补充剂在炎热的天气下改善乳房表现和乳牛牛功能
Yinghui Li1,2,3, Chenglong Li2,3, Hanxing Yao2,3
1Guangxi Key Laboratory of Buffalo Genetics, Reproduction and Breeding, Guangxi Buffalo Research Institute, Nanning 530001, China.
迷香提取物补充剂改善了热应激乳牛的健康和牛奶产量. 这种天然料添加剂增强了牛奶的成分和优化了小功能,为面临热应激的奶牛提供了一个有前途的解决方案.
科学领域:
- 动物科学动物科学
- 营养科学 营养科学
- 兽医医学 兽医医学 兽医医学
背景情况:
- 热压对奶牛的健康和生产力产生负面影响.
- 迷香提取物 (RE) 具有抗氧化和抗炎性质.
- 寻求天然料补充剂,以减轻牲畜的热应激.
研究的目的:
- 为了评估饮食迷香提取物 (RE) 对热应激的地中海奶牛的影响.
- 评估RE对牛奶产量,成分,血液参数和乳头微生物生态系统的影响.
- 确定RE作为天然料补充剂的潜力,以提高水牛在热应激下的性能.
主要方法:
- 这是一项为期35天的养试验,对20只地中海奶牛进行了试验.
- 两个组:对照组 (基础饮食) 和RE组 (基础饮食+20g/dRE).
- 评估的牛奶产量/成分,血液生物标志物,以及乳头的微生物多样性和成分.
主要成果:
- RE补充剂增加了牛奶产量,4%的脂肪校正牛奶,蛋白质,乳糖和固体非脂肪.
- RE改善了抗氧化剂状态,免疫标记物 (IgA,IgM) 和减少了促炎细胞因子 (IL-1β,TNF-α).
- RE增强了乳头挥发性脂肪酸度,微生物的α多样性和有益细菌的丰度.
结论:
- 饮食补充RE (20g/d) 对热应激乳牛有好处.
- RE通过优化乳头功能和全身健康来提高牛奶产量和质量.
- 迷香提取物是一种可行的天然补充剂,可以在炎热的天气中提高奶牛的表现.
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