1. State Key Laboratory of Hulless Barley and Yak Germplasm Resources and Genetic Improvement Lhasa P. R. China
2. Institute of Animal Science and Veterinary Research Tibet Academy of Agricultural and Animal Husbandry Sciences Lhasa P. R. China
3. Key Laboratory of Qinghai‐Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education Southwest Minzu University Chengdu P. R. China