大通含1/2野血牦牛提纯复壮家牦牛效果观察

Improving the Domesticated Yak Through Crossing with the Half-wild-blood Yak

畜牧业是青海海北州的支柱产业,其中牦牛产业占了相当的比重,但家牦牛由于近亲繁殖等原因造成品种个体生产性能低下,因此,为了提高家牦牛各项生产性能,引进大通含1/2野血牦牛对家牦牛进行提纯复壮,根据效果观察,各年龄段改良后裔各项生产均有不同程度的提高。提纯复壮效果比较明显。

The animal husbandry is a pillar industry in Beihai state, in which yak industry has accounted for the major proportion, but the domesticated yak have degraded due to inbreeding. In order to improve yak production performance, half-wild-blood yaks were introduced to rejuvenate the domesticated yaks. After that effort, the yak production performancs have improved in all age groups.