Table 1. Composition of diets fed to lactating sows

Ingredient	%
Corn	52.39
Soybean meal	29.00
Wheat	7.83
Wheat bran	2.00
Tallow	5.00
Lysine (95%)	0.20
Methionine (50%)	0.05
Limestone	0.83
Tricalcium phosphate	1.90
Salt	0.30
Vitamin-mineral mix1)	0.40
Antibiotics	0.10
Total	100.00
Chemical composition
ME (kcal/kg)	3,437.80
Crude protein	18.59
Crude fat	7.78
Crude fiber	4.79
Crude ash	6.53
Lysine	1.19
Methionine	0.31
Calcium	0.90
Phosphorus	0.73

Composition per kg of mix: vitamin A, 2,750,000 IU; vitamin D₃, 220,000 IU; riboflavin 1,450 mg; d-pantothenic acid, 11,000 mg; niacin, 11,000 mg; choline, 110,000 mg; vitamin B₁₂, 11 mg; menadione, 1,100 mg; ethoxyquin, 2.2 g; vitamin E, 11,000 IU; contained 20% Zn, 10% Fe, 5.5% Mn, 1.1% Cu, 0.15% I.