1. Department of Poultry and Fish Diseases, Faculty of Veterinary Medicine, Damanhour University, Damanhour, El-Beheira, 22511, Egypt
2. Department Histology and Cytology, Faculty of Veterinary Medicine, Damanhour University, Damanhour, El-Beheira, 22511, Egypt
3. Department Parasitology, Faculty of Veterinary Medicine, Damanhour University, Damanhour, El-Beheira, 22511, Egypt
4. Department Pathology, Faculty of Veterinary Medicine, Kafr El-Sheikh University, Kafr El-Sheikh, 33516, Egypt
5. Department Poultry and Fish Diseases, Faculty of Veterinary Medicine, Alexandria University, Edfina, El-Beheira, 22758, Egypt