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Comparison of α-diversity among four groups of 12-week-old offspring in (A) Faith’s phylogenetic diversity (PD) index and (B) Shannon index; (C) principal coordinate analysis (PCoA) plots of β-diversity calculated by the unweighted UniFrac metric across the four groups; each point represents the microbiota of a single sample, and colors reflect metadata for that sample. * p < 0.05 vs. CN.
