Table 2. Formulas and chemical compositions of gestation diets

Item	Gestation diet1)
	V1	V3	V6	V9
Ingredients (%)
Corn	76.897	76.77	76.58	76.38
Soybean meal-46	11.97	11.99	12.02	12.05
Wheat bran	6.00	6.00	6.00	6.00
Tallow	1.75	1.79	1.85	1.92
L-lysine HCl (78%)	0.26	0.26	0.26	0.26
DL-methionine (99%)	0.04	0.04	0.04	0.04
DCP	1.35	1.35	1.35	1.35
Limestone	1.20	1.20	1.20	1.20
Vit. premix2)	0.033	0.10	0.20	0.30
Min. premix3)	0.10	0.10	0.10	0.10
Choline chloride-50	0.10	0.10	0.10	0.10
Salt	0.30	0.30	0.30	0.30
Total	100.00	100.00	100.00	100.00
Chemical composition4)
ME (MJ/kg)	13.67	13.67	13.67	13.67
Crude protein (%)	12.00	12.00	12.00	12.00
Total lysine (%)	0.74	0.74	0.74	0.74
Total methionine (%)	0.23	0.23	0.23	0.23
Calcium (%)	0.75	0.75	0.75	0.75
Total phosphorus (%)	0.60	0.60	0.60	0.60

Treatment: V1, corn-soybean meal (SBM)-based diet with 1× National Research Council (NRC, 2012) vitamin requirement; V3, corn-SBM-based diet with 3× NRC (2012) vitamin requirement; V6, corn-SBM-based diet with 6× NRC (2012) vitamin requirement; V9, corn-SBM-based diet with 9× NRC (2012) vitamin requirement.
Provided per kg of diet: vitamin A, 12,000 IU; vitamin D₃, 2,400 IU; vitamin E, 132 IU; vitamin K, 1.5 mg; biotin, 0.60 mg; folacin, 3.9 mg; niacin, 30 mg; calcium pantothenic acid, 36 mg; thiamin, 3 mg; vitamin B₆, 3 mg; vitamin B₁₂, 45 g.
Provided per kg of diet: Se, 0.3 mg; I, 0.3 mg; Mn, 49 mg; Cu, 288 mg; Fe, 281 mg; Zn, 84.7 mg; Co, 0.3 mg.
Calculated value.
DCP digestible crude protein; ME, metabolizable energy.