An isosporan parasite of masked owls producing sarcocysts in rats.
D000818:Animals; D001717:Birds / Q000469:parasitology*; D007422:Intestines / Q000469:parasitology; D051379:Mice; D051381:Rats; D012376:Rodent Diseases / Q000469:parasitology*; D012522:Sarcocystis / Q000472:pathogenicity* / Q000648:ultrastructure; D012523:Sarcocystosis / Q000469:parasitology / Q000662:veterinary*