1. Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Chengdu, Sichuan, China
2. College of Animal & Veterinary, Southwest Minzu University, Chengdu, Sichuan, China
3. Key Laboratory of Modem Technology (Southwest Minzu University), State Ethnic Affairs Commission, Chengdu, Sichuan, China