Xia Yang1, Jianlin Guo2 and Jianyi Sun3*
1School of Life Science, Huzhou University, Huzhou Zhejiang 313000, China.
2Zhejiang Institute of Freshwater Fisheries, Huzhou Zhejiang 313001, China.
3College of Animal Science, Zhejiang University, Hangzhou 310029, China.
