Table 1.

Ingredients of experimental diets (as-fed basis)¹

Item		Test diets
	Basal diet	36% OB	27% WB	15% OB	12% WB
Ingredients, %
Corn	71.60	45.12	51.74	60.57	62.77
Soybean meal	24.96	15.73	18.04	21.11	21.88
Oat bran	–	36.00	–	15.00	–
Wheat bran	–	–	27.00	–	12.00
Dicalcium phosphate	0.90	0.90	0.90	0.90	0.90
Limestone	0.90	0.90	0.90	0.90	0.90
Salt	0.35	0.35	0.35	0.35	0.35
Premix2	0.50	0.50	0.50	0.50	0.50
Lys HCl	0.50	0.32	0.36	0.42	0.44
Met	0.07	0.04	0.05	0.06	0.06
Thr	0.16	0.10	0.12	0.14	0.14
Val	0.06	0.04	0.04	0.05	0.05

¹OB Oat bran, WB Wheat bran. The xylanase was provided by Bestzyme Co. Ltd. (Jinan, China). Enzyme was added to one half of each diet at the rate of 40 g/1000 kg diet to supply enzyme activity of 5000 U/kg complete feed (as-fed basis)

²Vitamin-mineral premix supplied the following per kg of complete diet: vitamin A as retinyl acetate, 5512 IU; vitamin D₃ as cholecalciferol, 2200 IU; vitamin E as DL-alpha-tocopheryl acetate, 30 IU; vitamin K₃ as menadione nicotinamide bisulfite, 2.2 mg; vitamin B₁₂, 27.6 μg; riboflavin, 4 mg; pantothenic acid as DL-calcium pantothenate, 14 mg; niacin, 30 mg; choline chloride, 400 mg; folacin, 0.7 mg; thiamin as thiamine mononitrate, 1.5 mg; pyridoxine as pyridoxine hydrochloride, 3 mg; biotin, 44 μg; Mn as MnO, 40 mg; Fe as FeSO₄·H₂O, 75 mg; Zn as ZnO, 75 mg; Cu as CuSO₄·5H₂O, 25 mg; I as KI, 0.3 mg; Se as Na₂SeO₃, 0.3 mg