1. Animal and Poultry Management and Wealth Development Department, Beni-Suef University, Beni-Suef, Egypt;
2. Pathology Department, Beni-Suef University, Beni-Suef, Egypt;
3. Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt;
4. Biochemistry Department, University of Sadat City, Monufia, Egypt