Cocoidiosis disease of poultry is caused by

Cocoidiosis disease of poultry is caused by Protozoa.
Coccidiosis which is caused by the apicomplexan parasite of the genus Eimeria has seven known species that affect the different parts of the intestinal tract of chickens.
The disease which occurs by ingestion of sporulated oocyst has been associated with poor poultry management systems.