Table 3.

The digestibility (%) of energy, free sugars and non-starch polysaccharide (NSP) of high and low performance wheat based diets, with and without xylanase supplementation.

Item	Enzyme	DM	GE	Free sugar	Soluble NSP	Insoluble NSP
Duodenum
Wheat 1	–	−19.4	−27.4	−58.3	−8.8bc	7.3ab
Wheat 1	+	5.1	16.4	−10.6	24.7ab	17.4a
Wheat 2	–	−37.0	−47.5	−10.0	−33.0c	−18.7b
Wheat 2	+	7.7	4.5	−24.9	35.7a	22.3a
P-value (ANOVA)	Wheat (W)	NS	NS	NS	NS	NS
	Enzyme (E)	0.082	0.071	NS	0.008	0.024
	W × E	NS	NS	0.069	NS	0.162
Ileum
Wheat 1	–	64.6ab	66.2b	72.9	6.9b	22.3
Wheat 1	+	73.7a	73.6a	69.4	50.9a	19.7
Wheat 2	–	61.9b	66.7b	79.7	−9.0b	10.9
Wheat 2	+	70.0ab	70.4ab	74.1	59.3a	13.0
P-value (ANOVA)	Wheat (W)	NS	NS	NS	NS	NS
	Enzyme (E)	0.036	0.045	NS	<0.001	NS
	W × E	NS	NS	NS	NS	NS
Faeces
Wheat 1	–	84.4	83.2	99.2	87.8	37.2
Wheat 1	+	85.0	83.9	99.4	88.3	29.3
Wheat 2	–	84.5	83.4	99.6	88.3	37.8
Wheat 2	+	84.6	83.6	99.3	89.0	31.1
P-value (ANOVA)	Wheat (W)	NS	NS	NS	NS	NS
	Enzyme (E)	NS	NS	NS	NS	0.093
	W × E	NS	NS	0.066	NS	NS

DM = dry matter; GE = gross energy; NS = not significant.

^a,b,cMeans values on the same column not sharing a superscript are significantly different (P < 0.05).