Table 1.

Composition of experimental diets¹⁾ (as-fed basis)

Item	FSD	CBD	NFD
Feedstuff (%)
Fermented soybean meal	20.00	-	-
Corn, yellow	-	92.62	-
Corn starch	62.72	-	69.37
Sucrose	10.00	-	20.00
Cellulose	3.50	-	5.00
Soy oil	-	3.00	1.00
L-Lys HCl	-	0.38	-
L-Thr	-	0.08	-
L-Trp	-	0.04	-
Vitamin premix2)	0.03	0.03	0.03
Mineral premix3)	0.15	0.15	0.15
Magnesium oxide	-	-	0.10
Potassium carbonate	-	-	0.40
Salt	0.40	0.30	0.40
Dicalcium phosphate	2.00	2.35	2.60
Limestone	0.70	0.55	0.45
Titanium dioxide	0.50	0.50	0.50
Total	100.00	100.00	100.00

¹⁾FSD, a diet with 20% fermented soybean meal (Pepsoygen, Nutraferma Inc., North Sioux City, SD, USA); CBD, a corn basal diet; NFD, a semi-purified N free diet to measure basal endogenous AA losses; CFD, a mixture of corn and fermented soybean meal diet (80% of CBD and 20% fermented soybean meal).

²⁾The vitamin premix provided per kilogram of complete diet: 6,614 IU of vitamin A as vitamin A acetate, 992 IU of vitamin D3, 19.8 IU of vitamin E, 2.64 mg of vitamin K as menadione sodium bisulfate, 0.03 mg of vitamin B₁₂, 4.63 mg of riboflavin, 18.52 mg of D-pantothenic acid as calcium panthonate, 24.96 mg of niacin, and 0.07 mg of biotin.

³⁾The trace mineral premix provided per kilogram of complete diet: 33 mg of Mn as manganous oxide, 110 mg of Fe as ferrous sulfate, 110 mg of Zn as zinc sulfate, 16.5 mg of Cu as copper sulfate, 0.30 mg of I as ethylenediamine dihydroiodide, and 0.30 mg of Se as sodium selenite.