Table 4.

Effect of treatment¹ on energy balance and digestible, metabolizable, and estimated net energy

	Diet2
Item	LF	HF	HF + XY	HF + AX	Pooled SEM	P-value
Energy balance, GE Mcal/d
Intake	8.14	8.11	8.14	8.13	0.02	0.898
Total excreted	1.44a	2.25b	2.08c	2.32b	0.09	<0.001
Fecal	0.88a	1.83b	1.70c	1.93b	0.07	<0.001
Urinary	0.56a	0.39b	0.43c	0.39b	0.03	0.006
Energy Mcal/kg of DM
GE	4.34	4.34	4.35	4.34	—	—
DE	3.86a	3.35b	3.50c	3.30b	0.05	<0.001
ME	3.56a	3.14b	3.26c	3.11b	0.04	<0.001
NE	2.67a	2.25b	2.35c	2.24b	0.02	<0.001

¹ n = 15 pigs per treatment fed experimental diets for a 36-d adaptation period followed by a 10-d metabolism crate study.

²LF, low-fiber control; HF, high-fiber control; HF+XY, high-fiber control containing 100 mg xylanase/kg; HF+AX, high-fiber control containing 50 mg arabinoxylanoligosaccharide/kg.

^a–cWithin a row, means without a common superscript differ (P ≤ 0.05).