Salmonella infection may not be noticed in the dog and cat as they may not show signs of disease. These animals are called carriers, and they may be a risk for human infection. When dogs and cats become sick in salmonellosis they may get acute diarrhea, vomiting, fever, stomach pain, loss of appetite and tiredness. Cats may have long periods of fever and appetite loss without diarrhea. Blood infection and toxic symptoms are not as frequent, but may lead to death. Treatments for diarrheal disease include proper rehydration, and in severe cases veterinary care should be sought. The veterinarian may administer intra-venous or sub-cutaneous hydration and antimicrobials.
Dogs and cats can get Salmonella from numerous sources including pet food, pet treats, human food, humans, rodents, water, and other environmental sources. The recent Salmonella outbreak in USA associated with peanut butter has affected pets too. This shows that often when human food are Salmonella contaminated, so is the pet food, since many pet food companies rely on the same ingredients, and ingredient manufacturers, as companies that produce food for human consumption. Furthermore pets are likely to get raw scraps of meat, eggs and human food. Animal-derived pet treats often are contaminated with Salmonella, and the dehydration procedure used to make pet treats might not be effective at eliminating the bacteria.
World Health Organization
Center of Disease Control and Prevention, USA
US Food and Drug Administration, Bad Bug Book.
US Morbidity and Mortality Weekly Reports on Salmonella
European Public Health Agency-Assessment of sources for foodborne Salmonella
Salmonella infections associated with reptiles
European Center for disease prevention and control EFSA-ECDC report on trends and sources of zoonoses in the European Union in 2007