Oral inoculation of prairie voles, Microtus ochrogaster, with coccidian sporocysts isolated from the feces of a red-tailed hawk, Buteo jamaicensis, in Kansas, USA, resulted in formation of Frenkelia microti (Apicomplexa: Sarcocystidae) tissue cysts in the brains of the voles. Five additional isolates of morphologically similar sporocysts collected from red-tailed hawks or other Buteo spp. in Kansas failed to result in detectable infections in rodents. These results are the first to verify that red-tailed hawks are natural definitive hosts in North America for F. microti.
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1 January 1992
THE RED-TAILED HAWK, BUTEO JAMAICENSIS, A NATIVE DEFINITIVE HOST OF FRENKELIA MICROTI (APICOMPLEXA) IN NORTH AMERICA
Steve J. Upton,
Richard D. McKown
Journal of Wildlife Diseases
Vol. 28 • No. 1
January 1992
Vol. 28 • No. 1
January 1992
Buteo jamaicensis
Coccidia
Frenkelia microti
Microtus ochrogaster
red-tailed hawk