Egyptian Poultry Science Association, Department of Poultry Production, Faculty of Agriculture, Alexandria University, Alexandria - Egypt.

Egyptian Rabbit Science Association. Faculty of Agriculture, Zagazig University. Zagazig-Egypt.

Egyptian Society of Animal Production, Department of Animal Production, Faculty of Agriculture, Cairo University, Giza - Egypt.

Egyptian Society of Development and Environmental Protection, Faculty of Agriculture (Damanhour). Alexandria University, Egypt.