1. Beijing Sanyuan Breeding Technology Co., Ltd.; Beijing China
2. National Center for Molecular Genetics and Breeding of Animal, Institute of Animal Sciences; Chinese academy of Agricultural Sciences; Beijing China
3. Department of Molecular Biology and Genetics; Aarhus University; Tjele Denmark
4. Laboratory of Disease Genomics and Individualized Medicine, Beijing Institute of Genomics; Chinese Academy of Sciences; Beijing China
5. College of Animal Science and Technology; China Agricultural University; Beijing China