1. Department of Biochemistry, Faculty of Veterinary Medicine; Mansoura University; Mansoura Egypt
2. Department of Internal Medicine, Infectious and Fish diseases, Faculty of Veterinary Medicine; Mansoura University; Mansoura Egypt
3. Pathology Department, Faculty of Veterinary Medicine; Mansoura University; Mansoura Egypt
4. Department of Animal Husbandry and Reproduction, Faculty of Veterinary Medicine; Mansoura University; Mansoura Egypt