Figure 1

Salmonella Typhimurium WT ^nal and Δ htpG:kanR colonization of pigs. Recovery of bacteria from various organs of 5 piglets orally inoculated with an equal mixture of Salmonella WT^nal and ΔhtpG:kanR, A 4 days pi and B 21 days pi. The log 10 value of the number of CFU per gram sample is given as the mean + standard deviation. A non-parametric Mann–Whitney U test was performed and superscript (*) refers to a significant difference compared to the wild type Salmonella group (p < 0.05).