Fig. 3
The combined effect of baicalin and probiotics on the ileal histomorphology of 21- and 42-d broiler chickens. Data are presented as mean ± SEM (n = 8). The primary and interaction effects were analyzed using the general linear model procedure, with corresponding P values displayed over each plot. One-way ANOVA and multiple comparisons were conducted for significant interactive effects. a,bMeans denoted by different superscripts within the same row are significantly different (P < 0.05)