Table 4.

Growth performance of grower-finisher pigs (Experiment 2).

Item	Benzoic acid, %			SEM	P-value
	0	0.3	0.5		L1	Q2
Number of replicates	16	16	16
Body weight, kg
d 0	36.1	36.0	36.3	0.10	0.315	0.232
d 35	74.5	76.5	76.1	0.51	0.022	0.112
d 70	109.8	113.9	113.5	0.76	<0.001	0.048
d 0 to 35
ADG, g	1,089	1,150	1,138	16	0.020	0.106
ADFI, g	2,490	2,544	2,524	34	0.415	0.425
FCR	2.29	2.21	2.22	0.02	0.014	0.207
d 36 to 70
ADG, g	1,008	1,069	1,069	13	0.001	0.123
ADFI, g	3,085	3,176	3,163	34	0.084	0.296
FCR	3.07	2.97	2.96	0.04	0.025	0.435
d 0 to 70
ADG, g	1,048	1,110	1,103	11	<0.001	0.051
ADFI, g	2,787	2,860	2,844	30	0.159	0.308
FCR	2.66	2.58	2.58	0.03	0.007	0.230

SEM = standard error of the means; ADG = average daily gain; ADFI = average daily feed intake; FCR = feed conversion ratio, ADFI/ADG.

¹Linear effect of benzoic acid.

²Quadratic effect of benzoic acid.