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奶牛微量元素添加剂的设计与评价

冯万宇,陈亮,苗艳,兰世捷,沈思思,张蕾,李丹,张艳,王岩,武晓东,王丽坤,金振华

Jiangxi Journal of Animal Husbandry & Veterinary Medicine（2022）

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Abstract
为探究微量元素添加剂对奶牛生产性能的影响,按照奶牛饲养标准,针对规模化奶牛场设计专用微量元素添加剂,选取泌乳期荷斯坦奶牛48头,随机均分为两组,试验组饲喂基础日粮与配制的微量元素添加剂,对照组饲喂基础日粮,试验期150d,并进行效果评价.同对照组相比,试验组奶牛采食量、泌乳量、乳成分相关指标明显高于对照组,体细胞数、乳房炎、子宫内膜炎、胎衣不下及蹄病发病数明显下降.应用微量元素添加剂可以明显改善奶牛生产性能,降低奶牛常见病数量.
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