الفهرس | Only 14 pages are availabe for public view |
Abstract This study was conducted in the Department of Poultry Production, Faculty of Agriculture Kafr El-Sheikh, Tanta University, where this study aims to statement efficiency mixture of enzymes which Alawptizaim with a manganese separately or together so as to indicate to what degree reacts Almaamlan together Will Atdhafran together in a positive impact on. |