Table 1.

Composition and nutrient levels of basal diet (%, air-dry basis).

Items	1–21 d	21–35 d	Items	1–21 d	21-35 d
Ingredients			Nutrient levels3
Corn	58.52	56.72	ME (Mcal/kg)	2.93	3.10
Soybean meal	36.24	34.67	CP	22.02	20.00
Soy oil	1.54	5.32	Lys	1.22	1.07
Calcium hydrogen phosphate	1.85	1.46	Met	0.50	0.44
Limestone	0.88	0.95	Met + Cys	0.84	0.78
Sodium chloride	0.35	0.33	Ca	1.00	0.90
Mineral premix1	0.20	0.20	AP	0.45	0.40
50% Choline chloride	0.20	0.16
DL-Met	0.17	0.14
Antioxidant	0.03	0.03
Vitamin premix2	0.02	0.02
Total	100.00	100.00

¹Provide per kilogram of diet:copper, 2 mg;iron, 132 mg;zinc, 126 mg;manganese, 129 mg;iodine, 1.8 mg;selenium, 0.6 mg.

²Provide per kilogram of diet:vitamin A, 13500 IU;vitamin D_3, 3600 IU;vitamin E, 36 IU;vitamin K_3, 4.5 mg;vitamin B_1, 3.6 mg;vitamin B_2, 11.25 mg;vitamin B_6, 6 mg;vitamin B_12, 0.039 mg;niacin, 39 mg;D-pantothenic acid, 16.5 mg;folic acid, 2.1 mg;biotin, 0.24 mg.

³Calculated values.