Table 1. Formula and chemical composition of experimental diet

Items	Percentage (%)
Nutrient composition
Corn	54.27
SBM (CP 45%)	25.78
Wheat bran	9.83
Animal fat	4.29
Corn gluten meal	1.97
Tricalcium phosphate	1.70
Fish meal	0.98
DL-methionine	0.36
Salt	0.20
Limestone	0.19
L-Lysine-HCl	0.18
Vitamin premix1	0.15
Mineral premix2	0.12
Total	100.00
Chemical composition
ME (kcal/kg)	3,100
Crude protein	20.00
Crude fat	7.33
Crude ash	5.01
Ca	0.80
P	0.67

Supplied per kg of diet: vitamin A, 1,200,000 IU; vitamin D₃, 250,000 IU; vitamin E, 1,000 IU; vitamin B₂, 1,200 mg; vitamin B₆, 800 mg; vitamin B₁₂, 1,400 μg; niacin, 2,400 mg; folic acid, 70 mg; pantothenic acid, 900 mg; vitamin K₃, 150 mg.
Supplied per kg of diet: Fe, 4,000 mg; Cu, 350 mg; Zn, 5,500 mg; Mn, 5,000 mg; Co, 150 mg; I, 300 mg; Se, 65 mg.