The milking performance of dual-purpose crossbred yaks

文献类型： 外文期刊

第一作者： Jialin, B

作者： Jialin, B;Mingqiang, W;Zhonglin, L;Chesworth, JM

作者机构：

关键词： milk production;yaks

期刊名称：ANIMAL SCIENCE （ 影响因子：1.559； 五年影响因子：1.642 ）

ISSN： 1357-7298

年卷期： 1998 年 66 卷

页码：

收录情况： SCI

摘要： Wild yak males were crossed with domesticated female yaks to produce a breeding herd of crossbred animals. The milk production of the progeny of this herd Teas measured in the present study. Yaks were milked once daily after prior suckling of the calf Yaks were allowed to graze for 15 h/day on high-altitude (3200 to 3500 m) pastures. No supplementary food was given. Average daily milk yield of 1.77 (s.e. 0.16) kg and milk yield over 120 days, 212.2 (s.e. 20.2) kg were significantly higher (P < 0.01) than the corresponding figures for unimproved domestic yaks (1.53 (s.e. 0.10) kg and 184.6 (s.e. 10.5) kg respectively). The fat content of milk from crossbred yaks, 52 (s.e. 2.9) g/kg, was not significantly different from that of unimproved animals, 53.5 (s.e. 4.1) g/kg.

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