Fig. 1From: Uterine microbial communities and their potential role in the regulation of epithelium cell cycle and apoptosis in aged hensDifferences in the microbial composition of the oviduct in young and aged hens (n = 10). a Diagram of the reproductive tract of chickens. b–e Principal coordinate analysis (PCoA) of oviduct microbiota based on Bray–Curtis. f Comparison of Shannon index of α-diversity. g Microbial composition at the phylum level of the oviduct in young and aged hens. YMA, young magnum; AMA, aged magnum; YUT, young uterus; AUT, aged uterus; YVA, young vagina; AVA, Aged vagina; YCL, young cloaca; ACL, aged cloacaBack to article page