1. Forensic Medicine and Toxicology Department, Veterinary Medicine Faculty, Zagazig University, Zagazig, Egypt,
2. Poultry Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt, and
3. Department of Emergency and Organ Transplantation (DETO), Section of Veterinary Science and Animal Production, University of Bari ‘Aldo Moro’, Valenzano, Bari, Italy