S. Dublin S.Typhimurium
Bovine specific usually endemic herd problem Not host-specific usually sporadic disease outbreaks
Bovine carriers important as a source of infection Various animal species and their product are important sources of infection
Carriers excrete organism for long times or sometimes (long life) Carrier excrete organism for short period usually 3-4 months
Septicemia is common Septicemia is uncommon: enteritis is common
Abortion relatively common Abortion uncommon
Table 3: Important epidemiological and clinical difference between S. dublin and S. typhimurium infection in cattle [7].