Fig. 4From: Dietary supplementation of Macleaya cordata extract and Bacillus in combination improve laying performance by regulating reproductive hormones, intestinal microbiota and barrier function of laying hens(A–B) Average relative abundance of microbial species in the cecum at the phylum level (A) and genus level (B). (C–D) Relative abundance of microbial communities in the cecum contents at the phylum level (C) and genus level (D). Different lowercase letters indicate a significant difference (P < 0.05)Back to article page