1 Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China; Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China; Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan 430070, China.
2 Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China.
3 College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
4 Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China; Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China; Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan 430070, China. Electronic address: sujianguo@mail.hzau.edu.cn.