Table 1. Formula and chemical composition of lactation sow diets (as-fed basis)

Item	Value
Ingredients (g/100 g DM)	100.00
Corn	62.50
Soybean meal	28.60
Animal fat	2.63
Molasses	2.00
Three calcium phosphate	1.54
Limestone	1.48
Salt	0.50
Choline chloride (50%)	0.05
L-Lysine·HCl (78%)	0.05
DL-Methionine (99.8%)	-
L-Threonine (98.5%)	0.03
L-Tryptophan (10%)	0.18
L-Valine (98.5%)	0.09
Vitamin premix1)	0.15
Mineral premix2)	0.15
Phytase	0.05
Metabolizable energy (MJ/kg)	13.81
Crude protein	17.80
Calcium	0.88
Availablephosphorus	0.44
SID. Arg	1.03
SID. His	0.41
SID. Ile	0.62
SID. Leu	1.36
SID. Lys	0.88
SID. Met	0.23
SID. Met + Cys	0.48
SID. Thr	0.56
SID. Trp	0.18
SID. Val	0.75

Supplied per kilogram of vitamin premix: vitamin A, 12,000,000 IU; vitamin D₃, 2,400,000 IU; vitamin E, 132,000 IU; vitamin K₃, 1,500 mg; vitamin B₁, 3,000 mg; vitamin B₂, 11,250 mg; vitamin B₆, 3,000 mg; vitamin B₁₂, 45 mg; pantothenic acid, 36,000 mg; niacin, 30,000 mg; biotin, 600 mg; folic acid, 4,000 mg.
Supplied per kilogram of mineral premix: Fe, 80,000 mg; Co, 170 mg; Cu, 8,500 mg; Mn, 25,000 mg; Zn, 95,000 mg; I, 140 mg; Se, 150 mg.