The molecular epidemiology of Cryptosporidium and Giardia infections in coyotes from Alberta,Canada, and observations on some cohabiting parasites |
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| Authors: | RC Andrew Thompson Doug D Colwell Todd Shury Amber J Appelbee Carolyn Read Zablon Njiru Merle E Olson |
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| Institution: | 1. World Health Organization Collaborating Centre for the Molecular Epidemiology of Parasitic Infections, School of Veterinary and Biomedical Sciences, Murdoch University, South Street, Murdoch, WA 6150, Australia;2. Agriculture and Agri-Food Canada, Lethbridge Research Centre, Lethbridge, Alberta, Canada;3. Parks Canada, Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Canada;4. Department of Microbiology and Infectious Diseases, University of Calgary, Calgary, Alberta, Canada |
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| 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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| Keywords: | Coyote Alberta Giardia Cryptosporidium Genotyping Toxascaris |
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