Some minerals' content of Egyptian feedstuffs.

Determination of five minerals for the more common Egyptian feedstuffs was conducted. Bone and fish meals contained the highest amounts of calcium, 33.43 and 0.25%, while wheat and corn grains contained the lowest amounts, 0.04 and 0.02%, respectively. Bone and meat meals contained the highest amounts of phosphorus, 12.31 and 5.06%, while corn grains and wheat straw contained the lowest amounts, 0.26 and 0.23%, respectively. Meat and fish meals contained the highest amounts of sulfur, 0.89 and 0.68%, while wheat straw and bone meal contained the amounts of sulfur, 0.89 and 0.68%, while wheat straw and bone meal contained the lowest amounts, 0.20 and 0.18%, respectively. Rice and wheat brans contained the highest amounts of manganese, 395.3 and 99.8 mg/kg, while corn grains and dried skim milk contained the lowest amounts, 7.2 and 3.1 mg/kg. Bone and meat meals contained the highest amounts of iron, 0.127 and 0.084%, while barley and dried skim milk contained the lowest amounts, 0.004 for each feed material, respectively.