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The mortality rates in different experimental groups; influences of different pathogenic challenges on cumulative mortality of vaccinated and not vaccinated groups. Mycoplasma gallicepticum (MG), Mycoplasma synoviae (MS), Salmonella enterica serovar Typhimurium (ST), Salmonella enterica serovar Enteritidis (SE), and Salmonella enterica serovar Kentucky (SK).
