1. Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design, College of Animal Science and Technology Yangzhou University Yangzhou China
2. College of Animal Science and Technology Northwest Agriculture & Forestry University Yangling China
3. National Engineering Research Center for Gelatin‐based Traditional Chinese Medicine Dong‐E‐E‐Jiao Co. Ltd. Liaocheng China
4. National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Animal Science and Technology China Agricultural University Beijing China