TY - GEN AU - Hosam Mohamed Safaa Mohamed Ali Ahmed Magaria AU - Abdelaziz Aly Attalla , AU - Suzan Ahmed Riad , TI - Physiological studies to decrease serum and egg yolk cholesterol in the laying hens / PY - 1999/// CY - Cairo : PB - Hosam Mohamed Safaa Mohamed Ali Ahmed Magaria , KW - Decrease serum KW - Egg yolk cholesterol KW - Laying hens N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Agriculture - Department Of Animal Production ER -