1. Cytology and Histology Department, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
2. Biochemistry and Chemistry of Nutrition Department, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
3. Veterinary Hygiene and Management Department, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
4. Physical Chemistry Department, National Research Centre, Dokki, Giza, Egypt