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日粮精粗比对娟姗奶牛鲜乳成分及部分血液指标的影响

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摘要 娟姗奶牛属中小型外来奶牛品种,2004年从新西兰引入广西饲养,经过几年的适应性饲养观察和纯种繁育,到目前为止已有一定的规模。因娟姗奶牛体型、适应性能、生产性能及营养需要等方面与荷斯坦奶牛存在一定差别,在饲养方面需要开展更广泛的研究。为了明确在全混合日粮饲养条件下娟姗奶牛日粮适宜的精粗比例,发挥其固有的生产性能,更好地利用这一外来奶牛品种而进行了试验,现报道如下。
机构地区 广西畜牧研究所
出处 《黑龙江畜牧兽医》 CAS 北大核心 2011年第9期66-67,共2页 Heilongjiang Animal Science And veterinary Medicine
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