Fig. 6

Alpha diversity as indicated by Chao1 (A) and Shannon (B) in intestinal content collected at jejunum, ileum, and distal colon of enterotoxigenic E. coli F18 challenged pigs fed diets supplemented with probiotics on d 21 post inoculation. ^a-dMeans without a common superscript are different (P < 0.05). Each least squares mean represents 7–10 observations. PRO1 = Bacillus subtilis DSM 32540; PRO2 = Bacillus pumilus DSM 32539