1. Department of Pathology, Faculty of Veterinary Medicine; Alexandria University; Al-Buhiyra Governorate Egypt
2. Department of Pharmacology, Faculty of Veterinary Medicine; Alexandria University; Al-Buhiyra Governorate Egypt
3. Department of Veterinary Forensic Medicine and Toxicology, Faculty of Veterinary Medicine; Damanhour University; Al-Buhiyra Governorate Egypt