Salmonellosis: This zoonotic disease, although not commonly
encountered in guinea pig colonies in Canada, has frequently been
diagnosed in colonies elsewhere (Habermann and Williams, 1958).
Because of its lethality and the dangers of transmission to man and other
animals, salmonellosis remains a disease of considerable importance.
Acute diarrhea and sudden death may occur, as may extensive lymph
node enlargement, within 48 hours of infection (Peters, 1981). Several
species, including S. typhimurium and S. enteritidis, have been isolated
from guinea pigs. These organisms may be latent in animals in the colony
or may be introduced on feedstuffs and bedding contaminated with wild