1. Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, People's Republic of China
2. Institute of Basic Medicine, Jiamusi University, Jiamusi 154007, People's Republic of China
3. Harbin Institute Of Physical Education, Harbin 150000, People's Republic of China
4. College of Veterinary Medicine, Shaanxi Centre of Stem Cells Engineering & Technology, Key Laboratory for Animal Biotechnology of Agriculture Ministry of China, Northwest A & F University, Yangling, Shanxi 712100, People's Republic of China