Composition and nutrient levels of the experimental diets (on an air-dry basis).

*Premix provides the following per kg of diet: VA, 8000 IU; VD3, 3000 IU; VE, 20 IU; VK, 2 mg; VB1, 4 mg; riboflavin, 8 mg; D-pantothenic acid, 11 mg; VB5, 40 mg; VB6, 4 mg; VB12, 0.02 mg; biotin, 0.15 mg; folic acid, 1.0 mg; choline, 700 mg; Fe (as ferrous sulfate), 80 mg; Zn (as zinc sulfate), 75 mg; Mn (as manganese sulfate), 80 mg; Cu (as copper sulfate) 10 mg, I (as potassium iodide), 0.40 mg; and Se (as sodium selenite), 0.30 mg.** Metabolizable energy (MJ/Kg).Composition and nutrient levels of the experimental diets (on an air-dry basis).