1. Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Ministry of Education, Huazhong Agricultural University, Wuhan, Hubei Province, China
2. Department of Poultry Breeding, Huadu Yukou Poultry Industry Co. Ltd, Beijing, P. R. China
3. Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
4. Department of Animal Production, Faculty of Agriculture, Benha University, Moshtohor, Egypt
5. Biotechnology Division, Bangladesh Livestock Research Institute, Dhaka, Bangladesh