TABLE 1.

Calculated composition of basal diets and nutrient level.

	% (Air-dry basis)
Composition	1–21 days	21–42 days
Ingredients
Corn	57.50	62.30
Soybean meal	34.50	30.00
Fish meal	1.00	1.00
Soybean oil	3.00	3.00
Sodium chloride	0.30	0.30
Dicalcium phosphate	1.65	1.70
Limestone	1.52	1.17
Methionine	0.20	0.20
Choline	0.10	0.10
Multivitamin premixa	0.03	0.03
Mineral premixb	0.20	0.20
Nutrient level
Metabolizable energy (MJ/kg)	12.33	12.50
Crude protein	21.75	19.72
Lysine	1.18	1.04
Methionine + Cysteine	0.91	0.86
Ca	1.07	0.60
Total P	0.70	0.68
Available P	0.46	0.45

^aContent per kilogram of diet: 1,500 IU of vitamin A; 3,200 IU of vitamin D3; 10 IU of vitamin E, 0.5 mg of vitamin K, 1.8 mg of vitamin B1, 3.6 mg of vitamin B2, 3.5 mg of vitamin B6, 0.01 mg of vitamin B12, 0.15 mg of biotin, 0.55 mg of folic acid, 30 mg of niacin, and 10 mg of pantothenic acid. ^bContent: 8 mg of Cu (CuSO₄⋅5H₂O), 0.35 mg of I (KI), 80 mg of Fe (FeSO₄⋅7H₂O), 60 mg of Mn (MnSO₄⋅H₂O), 0.15 mg of Se (NaSeO₃), and 40 mg of Zn (ZnO).