| identification of a novel renal coccidian (apicomplexa: eimeriidae) from the great-horned owl ( bubo virginianus ), usa. | we diagnosed renal coccidiosis in two of five great-horned owls ( bubo virginianus ) examined in eastern tennessee, us, 2007-13. histopathologic examination of the kidneys revealed multifocal mild-to-moderate dilation and epithelial hyperplasia of collecting ducts. renal collecting duct epithelial cells contained intracytoplasmic microgametocytes, macrogametocytes, and sporulating and sporulated oocysts. renal coccidiosis in affected birds did not result in significant inflammation. sequence ana ... | 2017 | 28139953 |