Coccidiosis is a gastrointestinal disease in dogs caused by a parasite from the Isospora species. Dogs are infected with I. canis, I. ohioensis, I. neorivolta and I. burrowsi. Infection occurs when the animal ingests the infective form (sporulated oocyct) of this parasite in stool. It can also be contracted by eating an intermediate host for Isospora such as a …