1. The State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock Inner Mongolia University Hohhot China
2. Research Centre for Animal Genetic Resources of Mongolia Plateau, College of Life Sciences Inner Mongolia University Hohhot China
3. Key Laboratory of Animal Biotechnology of the Ministry of Agriculture and Rural Affairs, College of Veterinary Medicine Northwest A&F University Yangling China
4. School of Veterinary Medicine Inner Mongolia Agricultural University Hohhot China
5. Inner Mongolia Saikexing Institute of Breeding and Reproductive Biotechnology in Domestic Animal Hohhot China