阿什旦牦牛在甘南地区的适应性观察OA

In order to improve the production performance of Gannan yak,Gannan Livestock Workstation and Lanzhou Insti-tute of Animal Husbandry and Veterinary Medicine of Chinese Academy of Agricultural Sciences,relying on the project,impor-ted 20 bulls of Ashidan yak breed from Qinghai Yak Breeding and Promotion Service Center and put them into some profession-al yak breeding cooperatives in Hezuo City,Xiahe County,Lintan County and Zhuoni County,Gansu Province.Adaptive obser-vation was made.After observing the growth and development,physiological index,feeding and disease resistance of Ashdan yak in Gannan area,it is found that Ashdan yak has good adaptability in Gannan area,which indicates that Ashdan yak can be intro-duced into Gannan area.