Affiliation: | 1. Department of Bacteriology, Mycology and Immunology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt;2. Educational Veterinary Hospital, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt;3. Department of Food Hygiene and Control, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt;4. Hygiene and Zoonoses Department, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt |