Table 1. Composition of basal diet, as-fed basis.

Item	Growth stage
	23–35 d	38–73 d	74–120 d	121–200 d
Ingredient,%
Corn	64	65	60	68
Soybean meal	26	25	26	24
Fish meal	4	2	0	0
Wheat bran	2	4	4	4
Wheat grain	0	0	16	0
L-Lys·HCl	0.25	0.15	0.15	0.15
CaHPO4	0.5	0.5	0.55	0.5
Limestone	0.8	0.9	0.85	0.9
Salt	0.35	0.35	0.35	0.35
Premix *	2.1	2.1	2.1	2.1
Calculated composition
ME,kcal/kg	3700	2970	2996	2985
CP,%	21.7	18.7	15.3	17.3
Lys,%	1.68	1.07	0.76	0.95
Ca,%	1.06	0.61	0.52	0.53
TP,%	0.84	0.60	0.52	0.53

ME metabolic energy; CP crude protein; TP total phosphorus

*Premix per kilogram of diet: 8,800 IU vitamin A; 1,600 IU vitamin D; 40 mg vitamin E; 0.4 mg vitamin B₁; 3.6 mg vitamin B₂; 1 mg vitamin B₆; 16 mg niacin,; 11 mg pantothenic acid; 180 mg choline chloride; 96 mg Cu as CuSO₄; 88 mg Fe as FeSO₄; 76 mg Zn as ZnSO₄; 24 mg Mn as MnSO₄; 0.4 mg Co as CoCl₂; and 0.4 mg I as CaIO₃.