Fig. 4. Effects of administration of antibiotic bacitracin methylene disalicylate (BMD; n=14), control basal diet (n=14; without antibiotic or probiotic) and probiotic Lactobacillus sakei Probio-65 (n=18) for 42 days, on villi height and crypt depth in jejunum of broiler chickens.

Error bars represented standard deviation of means. ^a-cMeans with different lowercase superscript letters are significantly different (p<0.05).