1 Diarrhea was defined as liquid feces . 2 Standard errors of the mean are presented separately for diarrhea or each dietary treatment . 3 Independent samples t - test between diarrhea vs . all treatments . 4 Percent is the ratio among 4 tested microorganism counts . ab Values with different superscripts of the same row in treatments are significantly different ( p < 0 . 05 ) .