Isospora is a genus of internal parasites in the subclass Coccidia. It is responsible for the condition isosporiasis, which causes acute, non-bloody diarrhoea...

grazing animals and rodents. Dogs and cats are the definitive hosts, with H. heydorni infecting dogs and the H. hammondi and H. pardalis infecting cats. Symptoms...

Eucoccidiorida Suborder: Eimeriorina Family: Sarcocystidae Subfamily: Toxoplasmatinae Genus: Heydornia Species Heydornia heydorni Heydornia triffittae...

gondii to which they are closely related. The canid-infecting species, H. heydorni and H. triffittae, have been split into new genus Heydornia based on the...