Fig 3. Principal component analysis of urine, genital swab, and rectal swab microbiota, as determined via 16S rRNA amplicon sequencing, colored by sample collection site, from 20 healthy adult dogs (n = 10 female, 10 male).

Plots depict PC1 versus PC2 (A), PC1 versus PC3 (B), and PC1 versus PC4 (C).