Effects of dietary Lactobacillus postbiotics and bacitracin on the modulation of mucosa-associated microbiota and pattern recognition receptors affecting immunocompetence of jejunal mucosa in pigs challenged with enterotoxigenic F18+ Escherichia coli

Table 9 Growth performance of pigs challenged with F18⁺ Escherichia coli (E. coli) and fed diets supplemented with bacitracin or Lactobacillus postbiotics

Item	Treatment^a				SEM	P-value
Item	NC	PC	ATB	LPB	SEM	NC vs. PC	PC vs. ATB	PC vs. LPB
BW, kg
Initial	7.89	7.83	7.88	7.81	0.47	0.694	0.738	0.929
d 7	8.13	8.09	8.33	8.38	0.42	0.892	0.403	0.315
d 14	11.23	10.58	10.91	10.63	0.68	0.175	0.495	0.922
d 21	15.76	15.32	16.02	15.43	0.76	0.473	0.260	0.858
d 28	20.56	20.18	21.65	20.77	0.95	0.673	0.108	0.516
ADG, g/d
d 0 to 7	34	38	65	82	23	0.892	0.361	0.133
d 7 to 14	440	352	364	318	48	0.067	0.799	0.457
d 14 to 21	647	677	730	686	42	0.622	0.369	0.877
d 21 to 28	685	694	804	762	48	0.894	0.109	0.316
d 7 to 28	589	572	631	586	30	0.694	0.162	0.733
d 0 to 28	452	441	492	463	23	0.721	0.113	0.494
ADFI, g/d
d 0 to 7	173	153	154	164	21	0.486	0.981	0.703
d 7 to 14	708	659	711	614	49	0.389	0.361	0.433
d 14 to 21	908	947	1003	795	61	0.576	0.428	0.035
d 21 to 28	1097	1102	1151	1072	43	0.927	0.410	0.613
d 7 to 28	846	844	894	770	49	0.969	0.312	0.137
d 0 to 28	709	702	742	650	36	0.833	0.349	0.219
G:F
d 0 to 7	0.21	0.25	0.43	0.50	0.13	0.835	0.324	0.164
d 7 to 14	0.64	0.53	0.51	0.51	0.05	0.054	0.718	0.704
d 14 to 21	0.72	0.75	0.74	0.88	0.08	0.763	0.877	0.224
d 21 to 28	0.63	0.64	0.70	0.71	0.04	0.934	0.276	0.162
d 21 to 28	0.70	0.69	0.70	0.76	0.03	0.765	0.745	0.130
d 0 to 28	0.65	0.64	0.66	0.72	0.03	0.810	0.523	0.069

^aTreatments: NC, no challenge/no supplement; PC, F18⁺ E. coli challenge/no supplement; ATB, F18⁺ E. coli challenge/bacitracin (30 g/t feed); and LPB, F18⁺ E. coli challenge/Lactobacillus postbiotics (2 kg/t feed; LBiotix, Adare Biome, Houdan, France)

ISSN: 2049-1891