FieldDxSalmonellosisClinical signs, differential diagnosis, treatment and prevention in horses.
Overview
A common cause of diarrheal disease and septicemia across most domestic species, and a significant zoonosis. Non-host-adapted Salmonella enterica serovars, acquired by ingestion. Zoonotic: this condition can pass to people.
Clinical signs
- The characteristic finding is chronic diarrhea. The feces vary in consistency from thick porridge (oatmeal), through undigested fibers in liquid, to liquid without fiber.
Predisposing factors
- These parameters remain undefined in this section.
Look-alikes to rule out
Treatment
The principles of treatment are to deal with the underlying disease, correct fluid and electrolyte disturbances, give symptomatic treatment of diarrhea, and provide supportive care.
Drugs mentioned: Ceftiofur Sodium Dexamethasone Metronidazole, Metronidazole Benzoate Fenbendazole Prednisolone Enrofloxacin Ivermectin Moxidectin
Prevention
Control of cyathostomiosis and salmonellosis is discussed under their respective headings. Diarrhea caused by sand accumulation in the colon should be prevented by not feeding horses on the ground and by avoiding grazing of short pastures on sandy soil.
Source
A Textbook of the Diseases of Cattle, Horses, Sheep, Pigs and Goat by ELSEVIER
A Textbook of the Diseases of Cattle, Horses, Sheep, Pigs and Goat by ELSEVIER — Salmonellosis
MSD Veterinary Manual — Salmonellosis in Animals (accessed 2026-08-11)
Condensed and attributed, never reproduced whole. Open the full entry in the app.