Affiliation: | 1.Department of Animal and Fish Production, Faculty of Agriculture, Alexandria University, Alexandria, Egypt ;2.Faculty of Desert and Environmental Agriculture, Matruh University, Marsa Matrouh, 51511, Matrouh, Egypt ;3.Agricultural Research Center, Animal Production Research Institute, Dokki, Giza, Egypt ;4.Department of Animal Production and Breeding, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah, Qassim, Saudi Arabia ; |