Effect of LM infection and LB treatment on intestinal microbial composition of mice. TPC (Total Plate Count); LAB (Lactic Acid Bacteria); APC (Anaerobic Plate Count) and Coliform count were represented by a, b, c and d respectively. Data was analyzed using One way ANOVA followed by DMRT. Bars having no common letters are significantly different from each other at (P ≤ 0.05). Error bars represent Standard error of mean. Y-axis presents log CFU/g and X-axis Day post infection (dpi).