Fig. 2From: Effects of the increased protein level in small intestine on the colonic microbiota, inflammation and barrier function in growing pigsColonic microbial metabolites and correlation analysis (n = 8). A Concentrations of SCFAs, (B) biogenic amines, and (C) ammonia in the colonic digesta of saline and SPH pigs. Values are mean ± SEM. D Spearman’s correlation analysis of different genera with metabolites and inflammatory cytokines. * P < 0.05 and ** P < 0.01Back to article page