. 2022 Oct 20;11(10):2066. doi: 10.3390/antiox11102066

Table 4.

Growth performance of growing pigs fed diets supplemented with phytobiotics and antibiotics as growth promoters (Exp. 2).

Antibiotic (AGP)	−		+		SEM	p Value ¹
Phytobiotic (PHY)	−	+	−	+	SEM	AGP	PHY	AGP × PHY
BW, kg
Initial	27.9	28.0	27.9	28.0	2.3	0.972	0.721	0.957
d 21	52.3	52.5	53.0	52.5	3.2	0.425	0.802	0.395
d 42	72.0 ^b	74.5 ^a	74.6 ^a	72.7 ^ab	4.23	0.658	0.721	0.009
ADG, kg/d
Grower 1 (d 1 to 21)	1.16	1.17	1.20	1.17	0.04	0.222	0.456	0.220
Grower 2 (d 21 to 42)	1.10 ^b	1.22 ^a	1.20 ^a	1.12 ^b	0.07	0.980	0.450	0.002
Overall	1.13 ^b	1.19 ^a	1.20 ^a	1.14 ^b	0.06	0.609	0.783	0.003
ADFI, g/d
Grower 1 (d 1 to 21)	2.22	2.27	2.26	2.20	0.13	0.620	0.817	0.156
Grower 2 (d 21 to 42)	2.75 ^a	2.80 ^a	2.81 ^a	2.58 ^b	0.21	0.164	0.107	0.014
Overall	2.49 ^ab	2.53 ^a	2.54 ^a	2.39 ^b	0.16	0.253	0.237	0.023
G:F
Grower 1 (d 1 to 21)	0.52	0.52	0.53	0.54	0.01	0.025	0.695	0.454
Grower 2 (d 21 to 42)	0.40 ^B	0.44 ^A	0.43 ^A	0.44 ^A	0.01	0.110	0.005	0.060
Overall	0.46	0.47	0.47	0.48	0.01	0.013	0.022	0.273

¹ AGP and PHY factors and their interaction (n = 10 per treatment; n = 40 total). ^a,b Means within a row with different superscripts differ (p < 0.05). ^A,B Means within a row with different superscripts show a tendency to differ (0.05 ≤ p < 0.10).