Frequency and duration of paratyphoid organism shedding by experimentally infected bobwhite quail (Colinus virginianus).

Four-week old bobwhite quail (Colinus virginianus) were experimentally infected with Salmonella urbana, S. infantis, S. newport, S. gaminara, S. braenderup, and S. litchfield. Rates of mortality varied from 0 to 50%. The rate of shedding of paratyphoid organisms varied from 14 to 100% for 18 or more days after infection. The maximum duration of shedding was 53 days by 12% of the quail infected with S. braenderup and the minimum duration was 18 days by 14% of the quail infected with S. litchfield.