Fig. 4

Total coliforms in mesenteric lymph nodes and spleen of enterotoxigenic Escherichia coli F18-challenged weaned pigs fed one of 4 experimental diets supplemented with organic acids or monoglycerides blends. a,bDifferent letters indicate significant differences (P < 0.05). Each least squares mean represents 9 or 10 observations. OA = organic acid blend; MG = monoglyceride blend; OA + MG = combination of organic acids and monoglycerides