Table 1. The composition and nutrient levels of diets.

¹⁾ In premix, provided per kilogram of diet: Vitamin A, 15,000 IU; Vitamin D₃, 3,000 IU; Vitamin E, 150 mg; Vitamin K₃, 3 mg; Vitamin B₁, 3 mg; Vitamin B₂, 6 mg; Vitamin B₆, 5 mg; Vitamin B₁₂, 0.03 mg; Niacin, 45 mg; Vitamin C, 250 mg; Calcium pantothenate, 9 mg; Folic acid, 1 mg; Biotin, 0.3 mg; Choline chloride, 500 mg; Fe, 170 mg; Cu, 150 mg; I, 0.90 mg; Se, 0.2 mg; Zn, 150 mg; Mg, 68 mg; Mn, 80 mg; Co, 0.30 mg.