Table 1.

Production data. Average daily gain (ADG), average daily feed intake (ADFI), feed conversion ratio (FCR) and body weight (BW) for pigs provided with in-feed antibiotics (ABI) and for pigs with no in-feed antibiotics (NOI)

	First weaner stagea			Second weaner stagea			Finisher stage
Variables	NOI	ABI	P-value	NOI	ABI	P-value	NOI	ABI	P-value
ADG g	402.2 ± 18.20	435.6 ± 13.03	0.018	711.0 ± 32.31	743.7 ± 42.58	0.774	865.4 ± 29.29	882.2 ± 29.29	0.893
ADFI g	584.6 ± 39.88	646.5 ± 28.83	0.048	1380.9 ± 29.29	1440.2 ± 60.09	0.589	1811.1 ± 31.09	1818.8 ± 36.92	0.984
FCR	1.48 ± 0.034	1.52 ± 0.032	0.483	1.95 ± 0.054	1.95 ± 0.045	0.944	2.10 ± 0.040	2.07 ± 0.038	0.853
BW Kg	21.9 ± 0.85	23.0 ± 0.70	0.032	41.4 ± 1.36	43.3 ± 1.40	0.218	99.4 ± 1.55	101.4 ± 1.91	0.483

Data are presented as means ± SEM (standard error of the mean)

^a First and second weaner stages data has already been published in Diana et al. (2017) [11]