As predators of a wide variety of livestock and wildlife species, wolves (Canis lupus) could serve as definitive hosts for species of Sarcocystis parasites infecting many intermediate hosts. Sarcocystis sporocysts have been observed in the feces of wolves fed infected beef before, but genetic tools have not yet definitively identified which species of parasites they harbor, impairing understanding of their contribution to infections in wild and domesticated intermediate hosts. Therefore, we genetically characterized sporocysts derived from a small sample of naturally infected wolves in Minnesota.
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