摘要
牦牛是高原特有品种 ,而影响牦牛繁殖力的因素有遗传、环境、营养、配种时间、管理等 ,所以进行影响牦牛繁殖力各种因素的系统研究 。
Yak,the distinctive animal species,are distributed mainly in Qingzang plateau with low reproductive ability. This paper reviews the factors having an effect on the reproduction in Yak.These factors includes heredity environment,nutrition and management.
出处
《西北民族学院学报（自然科学版）》
2000年第4期53-55,共3页
Journal of Northwest Minorities University(Natural Science )
