Table 4.

Effects of dietary supplementation with different levels of AT-xynA on nutrient digestibility (%) in weaned piglets¹

	AT-xynA, U/kg					P-value
Item	0	2,000	4,000	6,000	SEM	ANOVA	Linear	Quadratic
Days 0 to 28
DM	85.44b	88.03a	87.34a	87.73a	0.37	<0.01	<0.01	<0.01
OM	88.24b	91.86a	91.75a	90.84a	0.37	<0.01	<0.01	<0.01
CP	81.90	81.19	83.87	78.43	2.33	0.48	0.48	0.32
GE	82.43b	85.56a	85.25a	84.20ab	0.65	0.01	0.09	<0.01
EE	66.51	60.57	64.41	68.99	2.05	0.30	0.35	0.11

¹In the same row, values with different small letter superscripts mean significant difference (P < 0.05). EE, ether extract.