Bacterial colonization of the chicken lungs 24 h after intra-tracheal infection with 106 CFU of bacteria.

Differences between IMT5155 and IMT5155Δyqi were statistically significant with a p<0.05 (n = 6). Strain IMT11327 is the negative control (A). Bacterial colonization of the chicken lungs 24 h after intra-tracheal infection with 109 CFU of bacteria. Differences between IMT5155 and IMT5155Δyqi were statistically significant with a p<0.02 (n = 6). Strain IMT11327 is the negative control (B).