1. College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
2. College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
3. Prosperous Community, Changshun Town, China
4. Department of Science and Technology of Liaoning Province, Shenyang, China
5. Liaoning Modern Agricultural Production Base Construction Engineering Center, Academy of Animal Husbandry Science of Liaoning Province, Liaoyang, China