摘要
本文根据国内外有关资料,从牦牛的解剖形态、生理生化、行为和遗传等方面较系统地阐述了牦牛对高海拔少氧、寒冷和粗饲等特殊生态环境的适应。为牦牛选育、改良、牧饲管理提供了系统的资料。
This article reviews the adaptability of yaks to the special ecological such as high alti- ude,oxygendeficiency,frigid dimate and extensive grazing system,ect,from anatomy, (?)hysiology and biochemistry,behavior and genetics in accordance with the internal and ex- crnal references.It will provide a systematical information for selection,breeding,im- (?)rovement,herding and raising about the yak.
关键词
牦牛
生态环境
适应性
Yak
special ecological environment
adaptability