1. College of Fisheries, Hubei Provincial Engineering Laboratory for Pond Aquaculture, National Demonstration Center for Experimental Aquaculture Education, Huazhong Agricultural University, Wuhan 430070, China
2. Institute of Parasitology, McGill University, Saint-Anne-de-Bellevue, QC H9X 3V9, Canada
3. Department of Animal Science, McGill University, Saint-Anne-de-Bellevue, QC H9X 3V9, Canada