Table 1.

Ingredients and nutrient compositions of gestation diets (as-fed basis)

	CONc	DF1	DF2	DF3	DF4	DF5
Ingredient, %
Corn	79	64	64	64	64	64
Soybean meal	17	14	14	14	14	14
Wheat bran	–	18	16.4	14.8	13.2	11.6
Fish meal	–	–	0.3	0.6	0.9	1.2
Soybean oil	–	–	0.3	0.6	0.9	1.2
FIBER MIXa	–	–	1	2	3	4
Premixb	4	4	4	4	4	4
Total	100	100	100	100	100	100
Calculated nutrient composition
DE, Mcal/kg	3.25	3.05	3.05	3.05	3.05	3.05
Crude protein, %	13.5	13.9	13.8	13.8	13.7	13.7
Total lysine, %	0.64	0.64	0.64	0.65	0.65	0.65
Total threonine, %	0.51	0.51	0.51	0.51	0.51	0.51
Total methionine, %	0.23	0.23	0.23	0.23	0.23	0.23
Total tryptophan, %	0.15	0.16	0.16	0.16	0.16	0.16
SID lysine, %	0.55	0.53	0.54	0.54	0.55	0.56
SID methionine, %	0.21	0.21	0.21	0.21	0.21	0.21
SID threonine, %	0.43	0.41	0.42	0.42	0.42	0.42
SID tryptophan, %	0.13	0.14	0.13	0.13	0.13	0.13
Calcium, %	0.78	0.78	0.79	0.8	0.81	0.82
Phosphorus, %	0.52	0.63	0.62	0.61	0.61	0.56
DF, %	12.5	17.4	17.7	18.1	18.4	18.8
CF, %	2.9	3.9	4.6	5.2	5.9	6.6
NDF, %	11.0	15.4	15.7	15.9	16.1	16.3
SF, %	1.57	2.02	2.16	2.29	2.42	2.56
ISF, %	10.91	15.33	15.56	15.79	16.01	16.24

^a FIBER MIX consisted of guar gum and cellulose at the ratio of 1:4, obtained from Guangxi Shangda Tech Co. LTD, Nanning, China

^bProvided per kg of diet: Fe, 100 mg as ferrous sulfate; Cu, 6.6 mg as copper sulfate; Mn, 30 mg as manganese sulfate; Se, 0.15 mg as sodium selenite; Zn, 100 mg as zinc sulfate; I, 0.6 mg as KI potassium iodide; 6608 IU of vitamin A, 1652 IU of vitamin D₃, 27.5 IU of vitamin E, 4.4 mg of vitamin K, 1.66 mg of thiamine, 6.6 mg of riboflavin, 40 mg of niacin, 25 mg of pantothenic acid, 33 μg of vitamin B₁₂, 0.8 mg of pyridoxine, 1.5 mg of folic acid, 0.22 mg of biotin and 583 mg of choline. SF and ISF were analyzed value according to AOAC 991.43 with minor modification. DF = SF + ISF

^cCON, basal corn-soybean diet; DF1, wheat bran-rich diet; DF2, DF3, DF4 and DF5 were wheat bran diet supplemented with 1%, 2%, 3% and 4% of FIBER MIX at the expense of wheat bran