. 2022 Apr 11;12(8):989. doi: 10.3390/ani12080989

Table 4.

Mean bodyweight and daily weight gain in the dietary groups of the antibiotics (AB)-treated and untreated pigs.

AB	Dietary Treatment ¹										SEM	p-Value
	PC	NC	SP	SB	XLA	PC	NC	SP	SB	XLA		p-Value
	Untreated					Treated						Diet	AB ²
Pigs (n)
d 10	569	1021	515	528	566	11	141	65	56	17	-		-
d 24	369	534	327	305	484	179	552	223	248	65	-
d 39	293	369	244	249	394	226	652	652	271	127	-
Bodyweight (kg)
d 10	8.35 ^a	8.23 ^a,b	8.21 ^a,b	8.24 ^a,b	8.09 ^b	8.39 ^a	8.27 ^a,b	8.26 ^a,b	8.28 ^a,b	8.13 ^b	0.18	0.009	0.63
d 24	13.18 ^a	12.48 ^b	12.18 ^b	12.62 ^b	11.40 ^d	13.61 ^a	12.91 ^b	12.61 ^b	13.06 ^b	11.84 ^d	0.28	<0.001	<0.001
d 39	22.68 ^a	21.94 ^a,b	21.07 ^b	21.67 ^a,b	19.38 ^c	23.10 ^a	22.37 ^a,b	21.49 ^b	22.10 ^a,b	19.80 ^c	0.55	<0.001	0.14
ADG ² (g/d)
d 1–10	138.48 ^a	130.62 ^a	129.01 ^a	131.23 ^a	115.99 ^b	118.36 ^a	110.50 ^a	108.88 ^a	111.11 ^a	95.87 ^b	8.75	<0.001	<0.001
d 10–24	346.20 ^a	303.73 ^b	286.19 ^c	314.75 ^b	234.31 ^d	364.56 ^a	322.09 ^b	304.55 ^c	333.10 ^b	252.67 ^d	8.97	<0.001	<0.001
d 24–39	768.35 ^a	759.12 ^a	707.79 ^a,b	729.41 ^a,b	656.93 ^b	785.34 ^a	776.11 ^a	724.79 ^a,b	746.39 ^a,b	673.92 ^b	107.8	<0.001	0.36
d 1–39	420.85 ^a	401.14 ^a,b	377.53 ^b	393.88 ^a,b	332.73 ^c	427.80 ^a	408.09 ^a,b	384.48 ^b	400.83 ^a,b	339.68 ^c	16.45	<0.001	0.34

¹ PC = Positive control with medicinal zinc oxide, NC = Negative control, SP = Low protein diet with soy protein concentrate as primary protein source, SB = Low protein diet with soybean meal as primary protein source, XLA = Extra low protein diet with non-marked amino acids. ² AB = antibiotics, ADG = average daily gain; ^a,b,c,d Values within a row (untreated or treated) with different superscripts differ significantly at p < 0.05.