| 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 |
