1. College of Veterinary Medicine, Hebei Agricultural University, Baoding, China
2. College of Life Science and Food Engineering, Hebei University of Engineering, Handan, China
3. College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China
4. Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, China