1. Cholistan University of Veterinary and Animal Sciences, Bahawalpur, Pakistan
2. Forensic Medicine and Toxicology Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
3. School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, Italy
4. Poultry and Fish Diseases Department, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt
5. Division of Pathology, ICAR-Indian Veterinary Research Institute, Bareilly, India
6. Poultry Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt