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Systemic colonization following serotype Typhimurium infection in chicks and mice. Recovery of serotype Typhimurium from the spleen following oral inoculation in chicks (A) and mice (B) is shown as mean log CFU/gm of organ tissue. Mean spleen weight of chicks (C) and mice (D) is shown in grams of organ tissue. Error bars indicate standard error and asterisks indicate a significant difference between control and infected groups at P < 0.05.
