Organisms that create oocysts include "Eimeria", "Isospora", "Cryptosporidium", and "Toxoplasma". About 1,000 species are in the genus "Eimeria". Eimeria bovis is a paraiste belonging to the genus "Eimeria" and is found globally. Various parasites have been recorded on northern voalavo, including mites and "Eimeria". Eimeria stiedae is a species of "Eimeria" that causes hepatic coccidiosis in rabbits. The genus "Eimeria" with ~1500 species is the largest genus in this suborder. "Eimeria", a genus of parasitic protozoa, was also named after him. Several coccidian species of the genera "Isospora" and "Eimeria" are also known to infect them. The "Eimeria" lie within the family Eimeriidae. Eimeria tenella is a species of "Eimeria" that causes hemorrhagic cecal coccidiosis in young poultry. Eimeria brunetti is a species of "Eimeria" that causes hemorrhagic intestinal coccidiosis in poultry worldwide. The drug is a thiamine analogue and blocks the thiamine transporter of "Eimeria" species. "Eimeria" species mainly affect juveniles. It is a vector for "Eimeria", protozoa that cause coccidiosis in birds. The apicomplexan parasite "Eimeria" has also been recorded in Anjanaharibe-Sud.