1State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute,
CAAS, Lanzhou 730046, People’s Republic of China.
2Animal Reproduction Institute, Guangxi Key Laboratory of Subtropical Bioresource
Conservation and Utilization, Guangxi University, Nanning 530005, People’s Republic of China.
3College of Animal Science, South China Agricultural University, Guangzhou 510642, People’s Republic of China.
4College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, People’s Republic of China.
5Guangxi Veterinary Research Institute, Nanning 530001, People’s Republic of China.
6College of Animal Science and Technology, Yunnan Agricultural University, Kunming 650201,
People’s Republic of China.
Email: [email protected]
