1. Department of Biochemistry and Chemistry of Nutrition Faculty of Veterinary Medicine University of Sadat City Sadat City Egypt
2. Department of Biochemistry and Chemistry of Nutrition Faculty of Veterinary Medicine Menoufia University Sheben Elkom Egypt
3. Department of Theriogenology Faculty of Veterinary Medicine University of Sadat City Sadat City Egypt
4. Department of Pathology Faculty of Veterinary Medicine Menoufia University Sheben Elkom Egypt