1 Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Department of Preventive, Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150038, China.
2 Branch of Animal Husbandry and Veterinary of Heilongjiang Academy of Agricultural Sciences, Qiqihar 161000, China.
3 Department for Radiological Protection, Heilongjiang Province Center for Disease Control and Prevention, Harbin 150030, China.
4 Promotion Demonstration Department of Heilongjiang Fishery Technology Extension Station, Harbin 150030, China.