1. Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, China
2. State Key Laboratory of Animal Nutrition, Ministry of Agriculture and Rural Affairs, Beijing, China
3. Key Laboratory of Animal (Poultry) Genetics Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Beijing, China
4. Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China