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. 2009 Feb 5;159(2):167-70.
doi: 10.1016/j.vetpar.2008.10.003. Epub 2008 Oct 11.

The molecular epidemiology of Cryptosporidium and Giardia infections in coyotes from Alberta, Canada, and observations on some cohabiting parasites

R C Andrew Thompson  1 , Doug D Colwell, Todd Shury, Amber J Appelbee, Carolyn Read, Zablon Njiru, Merle E Olson
Affiliations

The molecular epidemiology of Cryptosporidium and Giardia infections in coyotes from Alberta, Canada, and observations on some cohabiting parasites

R C Andrew Thompson et al. Vet Parasitol. .

Abstract

Coyotes from southern Alberta and Saskatchewan, Canada, were examined for the presence of Giardia and Cryptosporidium and cohabiting helminths. Toxascaris was present in over 90% of the 70 animals examined, and Taenia sp. in 6.5-25% of the two groups of animals studied. Giardia (12.5-21.7%) and Cryptosporidium (0-17.4%) were also common and molecular characterisation revealed both zoonotic and host-adapted genotypes of Giardia, whereas the Cryptosporidium proved to be a variant of the canine species C. canis. The seasonal variation observed in the occurrence of Cryptosporidium may be related to stress-induced shedding of the parasite.

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