1. Key Laboratory of Swine Genetics and Breeding of the Ministry of Agriculture and Rural Affairs Huazhong Agricultural University Wuhan China
2. Key Laboratory of Agriculture Animal Genetics, Breeding and Reproduction of the Ministry of Education Huazhong Agricultural University Wuhan China
3. Hubei Hongshan Laboratory Wuhan China
4. The Tianpeng Group Co. Ltd Jiangshan China
5. Department of Basic Veterinary Medicine, College of Veterinary Medicine Huazhong Agricultural University Wuhan China
6. Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology Nanjing Agricultural University Nanjing China