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. 2019 Dec 10;98(1):skz372. doi: 10.1093/jas/skz372

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Figure 3. — Rarefaction curves (A) and principal coordinates analysis (PCoA) plots of weighted (B) and unweighted (C) UniFrac distances of ileal microbial communities from weanling pigs fed diets containing antibiotics or direct-fed microbials. While two diversity measures (observed OTU; Chao1) were not different due to sex, phylogenetic distance (PD whole tree) showed a trend (P = 0.061) for greater diversity in barrows vs. gilts. Unweighted and weighted UniFrac distances performed on the 97% OTU abundance matrix showed that sexes tended to be different from one another (unweighted: P = 0.02; weighted: P = 0.01).