1Department of Veterinary Pathology, Faculty of Veterinary & Animal Sciences, West Bengal University of Animal and Fishery Sciences, Kolkata 700 037, WB, India
2Department of Veterinary Pathology, College of Veterinary Science & Animal Husbandry, Narendra Deva University of Agriculture and Technology, Faizabad 224 229, UP, India
3AICRP-PHT (ICAR), Department of Fish Processing Technology, Faculty of Fishery Sciences, West Bengal University of Animal and Fishery Sciences, Kolkata 700 094, WB, India