TY - GEN AU - Mostafa Abd El monem Elgarhy AU - AbdElrahman Mahmoud Abd El gawad , AU - Ahmed Abd El basit Mohamed , TI - Using some Non - conventional feedstuffs in fish feeding / PY - 2003/// CY - Cairo : PB - Mostafa Abd El monem Elgarhy , KW - Digestability coefficients KW - Nile tilapia KW - Potato by - prodocut KW - Poultry by - product N1 - Thesis (PH.D.) - Cairo University - Faculty Of Agriculture - Department Of Animal Production; Issued also as CD UR - http://172.23.153.220/th.pdf ER -