. 2021 Feb 2;99(2):skaa365. doi: 10.1093/jas/skaa365

Table 4.

Pre- and postinoculation growth performance of control (CT) and Salmonella-inoculated (ST) pigs fed diets differing in functional AA and protein content¹

	CT				ST
	LP		HP		LP		HP
Item	AA–	AA+	AA–	AA+	AA–	AA+	AA–	AA+	SEM
Initial BW (day –7), kg	13.96	13.93	13.93	13.94	13.98	13.96	13.95	13.90	0.31
Inoculation BW (day 0), kg	16.92	17.33	17.08	17.18	17.14	17.15	17.18	17.22	0.97
Final BW (day 7), kg	20.92^av	21.36^ax	21.18^av	21.24^ax	19.22^bv	20.36^bx	19.28^bv	20.40^bx	1.31
Pre-inoculation period (days –7 to 0)
ADG, kg	0.423	0.486	0.450	0.463	0.451	0.456	0.461	0.474	0.05
ADFI, kg	0.580	0.602	0.563	0.636	0.614	0.646	0.632	0.648	0.05
Gain:feed, kg/kg	0.72	0.80	0.79	0.72	0.73	0.70	0.73	0.73	0.10
Postinoculation period (days 0 to 7)
ADG, kg	0.571^a	0.576^a	0.586^a	0.580^a	0.297^bv	0.459^bx	0.300^bv	0.456^bx	0.06
ADFI, kg	0.880^a	0.906^a	0.916^a	0.936^a	0.738^b	0.673^b	0.744^b	0.686^b	0.08
Gain:feed, kg/kg	0.64	0.63	0.63	0.62	0.40^y	0.68^z	0.40^y	0.66^z	0.13

¹LP, low protein; HP, high protein; AA–, basal AA profile; AA+, functional AA profile (Thr, Met, and Trp at 120% of requirements for growth); SEM, standard error of the mean. Values are least squares means; n = 8 pigs/treatment. Main or interactive effects not presented were not statistically significant for any of the parameters measured.

^a,bMeans within a row with different superscripts differ (CT vs. ST) (P < 0.05).

^v,xMeans within a row with different superscripts differ (AA– vs. AA+) (P < 0.05).

^y,zMeans within a row with different superscripts tend to differ (AA– vs. AA+) (P < 0.10).