1. College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, China
2. Henan Innovative Engineering Research Center of Poultry Germplasm Resource, Henan Agricultural University, Zhengzhou, China
3. International Joint Research Laboratory for Poultry Breeding of Henan, Henan Agricultural University, Zhengzhou, China
4. Henan Liujiang Ecological Animal Husbandry Co., Ltd, Hebi, China