Table 3.

Effects of different levels of AT-xynA on performance of weaned piglets¹

	AT-xynA, U/kg					P-value
Item	0	2,000	4,000	6,000	SEM	ANOVA	Linear	Quadratic
Days 0 to 14
ADG (g)	323.23b	353.39ab	422.37a	423.65a	20	0.06	0.01	0.71
ADFI (g)	463.17	533.02	546.82	575.10	18	0.08	0.02	0.48
G:F	0.70	0.74	0.74	0.78	0.05	0.32	0.56	0.74
Days 15 to 28
ADG (g)	342.85b	396.08ab	483.02a	432.35ab	23	<0.01	<0.01	0.05
ADFI (g)	682.15	704.82	776.89	706.30	24	0.15	0.28	0.12
G:F	0.50	0.54	0.63	0.59	0.04	0.17	0.10	0.35
Days 0 to 28
ADG (g)	323.41b	362.86ab	415.12a	406.04a	16	<0.01	<0.01	0.10
ADFI (g)	572.66b	626.86ab	661.86a	646.03a	17	0.02	0.02	0.09
G:F	0.57	0.58	0.63	0.63	0.03	0.56	0.19	0.86

¹In the same row, values with different small letter superscripts mean significant difference (P < 0.05) G:F, ratio of ADG/ADFI.