用微生物发酵的米补充饮食,通过增加乳牛的乳汁发酵性能和营养物质消化的能力,促进奶牛的哺乳性能
Zixiao Zhang1,2, Wanhao Cai2, Xiaoshi Wei2
1Modern Farming (Group) Co., Ltd, Maanshan, China.
Frontiers in veterinary science
|March 9, 2026
概括
用微生物发酵大米料 (MFRB) 补充奶牛的饮食,提高了牛奶产量和料效率. 这种发酵料增强了营养的消化能力和小功能,优化了奶牛的哺乳性能.
科学领域:
- 动物科学动物科学
- 类动物营养 类动物营养
- 微生物学 微生物学
背景情况:
- 米是一种有价值的料,但容易发.
- 微生物发酵增强了大米的营养价值和可口性,用于动物料.
- 发酵的米可能会改善奶牛的表现和健康.
研究的目的:
- 评估微生物发酵大米料 (MFRB) 对哺乳乳乳母牛的影响.
- 评估MFRB对牛奶产量,营养素消化能力和血代谢物的影响.
- 为了研究MFRB对皮发酵和微生物种群的影响.
主要方法:
- 三十只荷尔斯坦牛被分为控制组和MFRB补充组.
- 在MFRB组接受了一种饮食,其中2.6%的颗粒玉米被MFRB取代.
- 该研究涉及7天的适应和30天的实验期.
主要成果:
- 补充MFRB增加了牛奶产量,料效率,牛奶脂肪和蛋白质含量.
- 中性洗剂纤维消化能力显著提高,干物质和原始蛋白质的趋势有所改善.
- 乳液发酵转向 propionate 主导,增加微生物蛋白质和 Prevotella 丰富度.
结论:
- 在哺乳期的奶牛中,MFRB可增强乳头发酵和营养利用.
- 食MFRB补充剂优化了哺乳性能和代谢健康.
- 米的微生物发酵为改善乳牛营养提供了一个有希望的策略.
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