1. Department of Forensic Medicine and Toxicology Faculty of Veterinary Medicine Zagazig University Zagazig Egypt
2. Department of Pathology Animal Reproduction Research Institute Giza Egypt
3. Department of Animal Physiology and Biochemistry Faculty of Veterinary Medicine Badr University in Cairo (BUC) Badr city Egypt
4. Department of Physiology Faculty of Veterinary Medicine Zagazig University Zagazig Egypt