Table 2. Effect of increasing dietary SID lysine content and NE level on the growth performance of growing-finishing pigs

	CON1)	TRT1	TRT2	SEM	p-value
Body weight (kg)
Initial	20.53	20.50	20.50	0.34	0.999
Week 4	36.98	37.17	37.41	0.35	0.897
Week 8	58.16	58.91	58.79	0.31	0.615
Week 12	82.34	84.55	84.37	0.46	0.088
Week 16	108.27	110.77	111.24	0.70	0.182
ADG (g)
Week 4	587	595	604	3.64	0.172
Week 8	757	777	764	6.25	0.435
Week 12	864b	916a	914a	9.64	0.033
Week 16	926	936	960	10.74	0.455
Overall	783	806	810	6.95	0.097
ADFI (g)
Week 4	1,320	1,302	1,308	5.61	0.434
Week 8	2,188	2,180	2,170	11.56	0.660
Week 12	2,613	2,648	2,626	18.50	0.763
Week 16	,2939	2,944	2,946	20.92	0.985
Overall	2,265	2,268	2,262	8.88	0.970
Gain to feed ratio
Week 4	2.24	2.18	2.16	0.01	0.112
Week 8	2.89	2.81	2.84	0.03	0.626
Week 12	3.03	2.89	2.88	0.04	0.322
Week 16	3.18	3.14	3.07	0.04	0.682
Overall	2.89	2.81	2.79	0.03	0.438

CON, basal diet; TRT1, basal diet + 0.05% SID lysine; TRT2, basal diet + 0.05% lysine SID + 0.084 MJ/kg NE.
Means in the equivalent row show the superscripts differ (p < 0.05).
SID, standardized ileal digestible; NE, net energy; ADG, average daily gain; ADFI, average daily feed intake.