Fig. 4From: Prime-boost vaccination with attenuated Salmonella Typhimurium ΔznuABC and inactivated Salmonella Choleraesuis is protective against Salmonella Choleraesuis challenge infection in piglets S. Typhimurium ΔznuABC vaccine reduces organ colonization. Amount of S. Choleraesuis in lymph nodes, ileum, cecum and colon of group A-C piglets was determined 12 days after challenge. Depicted microbiological results derived from the semi-quantitative approach. Each symbol represents microbiological results obtained from each animal and each bar represents mean concentration. Differences are statistically significant in cecum between group A and the other groups (p < 0.05) and in lymph nodes between group A and BBack to article page