Table 4. Effect of increasing dietary SID lysine content and NE level on the carcass traits of growing-finishing pigs

Items CON1) TRT1 TRT2 SEM p-value
BFT (%)
 Initial 5.4 5.4 5.5 0.12 0.979
 Week 4 8.6 8.9 9.0 0.11 0.327
 Week 8 11.9 12.4 12.2 0.11 0.227
 Week 12 15.38b 15.90b 16.03a 0.11 0.034
 Week 16 17.7 17.8 17.9 0.06 0.503
LMP (%)
 Initial 72.8 72.8 72.7 0.19 0.955
 Week 4 65.5 65.7 66.0 0.20 0.720
 Week 8 58.9 59.1 59.0 0.19 0.913
 Week 12 54.8 55.2 55.03 0.21 0.788
 Week 16 51.4 51.6 51.7 0.19 0.811
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; BFT, backfat thickness; LMP, lean meat percentage.