Median and range percentages of sequences represented in the fecal DNA of rectal swab samples from foals (Phylum, class, order, and family).

<p>Fecal swab samples were collected from 37 Quarter Horse foals on days 2 and 30 of life. *P values represent the results of Wilcoxon sign-rank tests for paired differences, adjusted by the method of Hochberg. NP = Not Performed.