1. Faculty of Agriculture, Department of Poultry, Zagazig University, Zagazig, Egypt
2. Faculty of Agriculture, Department of Poultry Production, Fayoum University, Fayoum, Egypt
3. Faculty of Veterinary Medicine, Forensic Medicine and Toxicology Department, Zagazig University, Zagazig, Egypt
4. Faculty of Agriculture (El-Shatby), Department of Poultry Production, Alexandria University, Alexandria, Egypt
5. College of Agricultural & Marine Sciences, Animal and Veterinary Sciences Department, Sultan Qaboos University, Muscat, Sultanate of Oman
6. Faculty of Agriculture, Department of Animal Production, Kafrelsheikh University, Kafrelsheikh, Egypt
7. Faculty of Animal Production and Technology, Department of Poultry Production, Shaheed Benazir Bhutto University of Veterinary and Animal Science Sakrand, Sakrand, Pakistan
8. Faculty of Agriculture, Animal Production Department, Zagazig University, Zagazig, Egypt