1. National Engineering Laboratory for Animal Breeding, Department of Animal Genetics and Breeding, College of Animal Science and Technology, China Agricultural University, Yuanmingyuan West Road 2, Beijing 100193, China
2. Beijing Municipal General Station of Animal Science, Beijing 100107, China
3. Engineering Technology Research Center of Anti-Aging Chinese Herbal Medicine of Anhui Province, Fuyang Normal University, Fuyang 236037, China
4. College of Animal Science, Xinjiang Agricultural University, Urumchi 830052, China
5. College of Animal Science, Tarim University, Alar 843300, China