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. 2015 Jul 24;11:162. doi: 10.1186/s12917-015-0497-3

Fig. 1.

Fig. 1

Bacterial recovery from liver and spleen of the vaccinated chickens. The vaccinated group was intramuscularly immunized with 2 × 107 CFU S06004ΔSPI2 in 2-day old chickens, and control group received 100 μl PBS. Values represent the mean ± SEM log10 CFU/g. All liver and spleen samples of control group were negative