Incidence of malaria in a wintering population of canvasbacks (Aythya valisineria) on Chesapeake Bay |
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| Authors: | Kocan R M Knisley J O |
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| Affiliation: | Bureau of Sport Fisheries and Wildlife Patuxent Wildlife Research Center Laurel, Maryland 20810, USA. |
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| Abstract: | Canvasback ducks wintering on Chesapeake Bay had a 6% incidence of Leucocytozoon simondi and 2% incidence of Haemoproteus. Subinoculation of whole blood into Pekin ducklings produced a Plasmodium infection rate of 31%. Females were more frequently infected (12/22) than males (15/68). The parasite was identified as P. circumflexum. |
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