1. Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Institute of Qinghai-Tibetan Plateau, Southwest Minzu University, Chengdu, People’s Republic of China
2. Shaanxi Key Laboratory of Molecular Biology for Agriculture, College of Animal Science and Technology, Northwest A&F University, Yangling, People’s Republic of China