Salmonella dublin is a bacterium that can
have devastating effects in dairy herds. It is
most deadly with calves that range in age
from 10 days to 5 months. Salmonella dublin
is shed from carrier animals through
feces, milk, and colostrum and spread by oral
ingestion. Clinical signs are not detected
easily until after the infection is well established.
Calves may suffer from septicemia,
diarrhea, fatigue, and unthriftiness. Death is
not an uncommon outcome of this disease.
Clinical signs of infection in adults may
range from none to enteritis or abortion.
Combating the disease requires an awareness
of the disease, a preventive herd health program,
and attention to detail in caring for the
newborn calf.