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钙剂对盛产期奶牛产奶量的影响 被引量:2

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摘要 盛产期奶牛在产奶高峰期易发生低血钙症,尤其是高产奶牛因为产奶量大,体内流失的钙较多,经常出现低血钙症,导致奶牛产奶量下降。为了研究钙剂对盛产期奶牛产奶量的影响,本实验通过选择年龄、体重、胎次、妊娠期、泌乳月份和产奶量基本相似的健康荷斯坦奶牛,进行随机分组,对实验组的奶牛在三天内每天灌服1瓶500毫升反刍动物钙锌预混料(含Ca2+≥17毫克/毫升),对照组奶牛则不灌服钙剂。结果显示:实验组奶牛较对照组奶牛平均产奶量每天多产1.6千克,证明在盛产期奶牛补充钙剂,可以有效提高产奶量,并且明显延长奶牛产奶高峰期。
出处 《现代农业》 2013年第6期84-85,共2页 Modern Agriculture
基金 新疆农业职业技术学院科研项目<钙剂对盛产奶牛在高峰期增奶效果的应用研究>(项目编号:XJNZYKJ2011009)
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