Department of Animal & Fish Production, Faculty of Agriculture, Alexandria University, Alexandria 21545, Egypt;
Department of Animal Sciences and Industry, Kansas State University, Manhattan, KS 66506, USA;
American Soybean Association-International Marketing, Beijing, China;
Department of Animal & Fish Production, Faculty of Agriculture, Alexandria University, Alexandria 21545, Egypt;
Department of Animal & Fish Production, Faculty of Agriculture, Alexandria University, Alexandria 21545, Egypt;