Table 6.

Effects of BL and PSE on intestinal inflammatory factors and barrier gene expression in weaned piglets ¹.

Items 2	PSE × BL				p-Value
	−PSE	−PSE	+PSE	+PSE	PSE	BL	Interaction
	−BL	+BL	−BL	+BL
IL-1β	1.00 ± 0.09 A	0.58 ± 0.02 B	0.56 ± 0.06 B	0.56 ± 0.02 B	<0.001	0.001	0.001
TNF-α	1.00 ± 0.13	1.39 ± 0.22	1.36 ± 0.11	1.43 ± 0.13	0.092	0.794	0.295
ZO-1	1.00 ± 0.07	1.31 ± 0.18	1.34 ± 0.11	1.18 ± 0.12	0.429	0.550	0.076
Claudin-1	1.00 ± 0.17	1.56 ± 0.16	1.45 ± 0.13	1.48 ± 0.06	0.201	0.046	0.064
Mucin1	1.00 ± 0.09	1.03 ± 0.07	1.04 ± 0.10	1.08 ± 0.07	0.590	0.670	0.938
Mucin2	1.00 ± 0.22 B	1.58 ± 0.05 AB	1.68 ± 0.12 A	1.63 ± 0.07 AB	0.014	0.053	0.036

¹ Values were presented as means ± pooled SEM, n = 6. ² BL, multi-strain probiotics; PSE, Perilla frutescens seed extract; −PSE−BL, basal diet; +PSE−BL, basal diet + 1 g/kg Perilla frutescens seed extract; +BL−PSE, basal diet + 2 g/kg multi-strain probiotics; +BL + PSE, basal diet+2 g/kg multi-strain probiotics + 1 g/kg Perilla frutescens seed extract. ^A,B Different letters on the shoulders of peers indicate significant differences (p < 0.05).