Table 2. Effects of dietary protease on growth performance of growing-finishing pigs¹⁾

Items2)	CON	PRO	SEM	p-value
Phase I (1–60 d)
Initial BW (kg)	34.93	34.67	0.62	0.770
Final BW (kg)	84.23	86.65	1.07	0.117
ADG (g/d)	821.75	866.38	12.01	0.012
ADFI (g/d)	2,380.48	2,388.60	20.79	0.834
G:F (g/g)	0.345	0.363	0.01	0.020
Phase II (61–88 d)
Final BW (kg)	111.16	114.83	1.59	0.108
ADG (g/d)	961.77	1,006.49	27.55	0.257
ADFI (g/d)	3,110.12	3,216.52	77.21	0.417
G:F (g/g)	0.311	0.313	0.01	0.873
Overall (1–88 d)
Initial BW (kg)	34.93	34.67	0.62	0.770
Final BW (kg)	111.16	114.83	1.59	0.108
ADG (g/d)	866.30	910.96	14.36	0.033
ADFI (g/d)	2,745.30	2,802.56	41.66	0.395
G:F (g/g)	0.316	0.325	0.01	0.273

Each value is the mean value of 4 replicates (6 pigs/pen).
CON, basal diet; PRO, CON + 0.01% protease; BW, body weight; ADG, average daily gain; ADFI, average daily feed intake; G:F, gain to feed ratio; SEM, standard error of means.