Table 1.

Effect of enzyme supplementation on growth performance, percent apparent ileal digestibility (AID), and total-tract digestibility (TTD) of nutrients in 7 kg pigs¹

	Diet2				Statistics
Performance	Control	C + Enz A	C + Enz B	C + Enz C	SEM	P-value
ADG, g	224b	252a	263a	249a	7.9	0.02
ADFI, g	432	435	456	414	17.8	0.42
G:F	0.52b	0.58a	0.58a	0.61a	0.02	0.01
AID,%
DM	60.1b	65.8	66.1a	66.7a	1.5	0.01
Starch	86.7b	92.6a	94.6a	95.3a	1.1	0.02
GE	62.8b	70.0a	69.7a	71.4a	0.9	0.01
CP	62.1b	71.5a	71.4a	73.2a	1.5	0.01
Phytate	59.2b	71.7a	69.1a	69.7a	2.3	0.04
NSP	10.1b	14.9a	16.4a	21.4a	1.4	0.01
TTD,%
DM	75.6b	78.1	77.2a	80.0a	0.5	0.01
Starch	94.4b	98.6a	97.6a	98.6a	0.7	0.01
GE	77.8b	79.8a	79.8a	81.1a	0.7	0.01
CP	67.1b	71.2a	71.6a	74.2a	1.0	0.01
Phytate	69.4b	96.8a	96.3a	96.0a	3.2	0.01
NSP	48.9b	61.2a	59.6a	66.8a	1.2	0.01

¹Average initial weight, 7.0 kg, 28 d trial, 6 pigs/trt, ADFI on a DM basis [58].

²Enzyme preparations provided 250 units xylanase, 150 units glucanase, 0.001% amalyase, 0.0003% protease, 0.002% invertase, and 400 units phytase per kilogram of diet and differed in the type of plant cell wall degrading activities. Enzyme A contained cellulase, galactanase, and mannanase; Enzyme B contained cellulase and pectinase; and Enzyme C contained cellulase, galactanase, mannanase, and pectinase.

^abcMeans within a row with different superscripts differ at the P-value shown.