Table 1.

Composition and nutrient levels of the diets (air dry basis)

Raw materials	Phases
	D 1 to 10		D 11 to 21	D 22 to 42
	Control	SPC12
Ingredient, %
Corn	50.55	59.20	53.33	57.73
SBM (43%)	42.10	23.40	37.80	33.20
Soy oil	3.40	1.30	4.70	5.50
CaHPO4·2H2O	1.64	1.86	1.73	1.2
CaCO3	1.33	1.30	1.32	1.39
DL-Met	0.24	0.22	0.26	0.24
L-Lys, 98%	0.12	0.10	0.24	0.12
NaCl	0.30	0.30	0.30	0.30
Premix vitamina	0.03	0.03	0.03	0.03
Premix mineralb	0.20	0.20	0.20	0.20
Choline chloride (70%)	0.09	0.09	0.09	0.09
SPC	0.00	12.00	0.00	0.00
Total	100	100	100	100
Nutrient levelsc
ME, kcal/kg	2950	2950	3050	3150
CP, %	22.50	22.50	21.00	19.00
Ca, %	1.00	1.00	1.00	0.90
K, %	1.18	0.78	1.12	1.01
Na, %	0.13	0.16	0.13	0.14
Total P, %	0.69	0.70	0.69	0.58
NPP, %	0.45	0.45	0.45	0.35
D-Lys, %	1.18	1.19	1.19	1.00
D-Met, %	0.56	0.55	0.55	0.50

^aPremix vitamin provided per kilogram of diet: vitamin A (retinyl palmitate), 8000 IU; vitamin D₃ (cholecalciferol), 1000 ICU; vitamin E (D/L-α-tocopheryl acetate), 20 IU; vitamin K₃ (menadione sodium bisulfate complex), 0.50 mg; vitamin B₁, 2.00 mg; vitamin B₂, 8.00 mg; vitamin B₆, 3.50 mg; vitamin B₁₂ (cobalamin), 10.00 μg; niacin, 35.00 mg; calcium pantothenic, 10.00 mg; folic acid, 0.55 mg; and biotin, 0.18 mg

^bPremix mineral provided per kilogram of diet: Fe 80.00 mg; Mn 100.00 mg; Zn 80.00 mg; I 0.70 mg; Se 0.30 mg; and Cu 8.00 mg

^cThe nutrient level is the calculated value, where K and Na are measured