Dogs and Parasites in Northern Canada
Author Information
Author(s): Salb Amanda L., Barkema Herman W., Elkin Brett T., Thompson R.C. Andrew, Whiteside Douglas P., Black Sandra R., Dubey J.P., Kutz Susan J.
Primary Institution: University of Calgary
Hypothesis
What is the role of dogs as sources and sentinels of zoonotic infections in northern Canadian communities?
Conclusion
Dogs in remote northern communities can serve as indicators of zoonotic parasites that may affect both humans and wildlife.
Supporting Evidence
- 11 genera of parasites were detected in dogs.
- 47% of dogs had more than one gastrointestinal parasite.
- Dogs fed wild game were more likely to have certain parasites.
- High seroprevalence of Toxoplasma gondii was found in dogs.
- Veterinary care did not reduce parasite prevalence.
- Parasites can have serious health effects on humans and wildlife.
- Changing environments may increase the occurrence of certain parasites.
- Further research is needed on the transmission of parasites between dogs and humans.
Takeaway
This study found that dogs in northern Canada can carry parasites that might make people sick, especially if they eat wild food.
Methodology
Fecal and blood samples were collected from dogs in two communities and analyzed for parasites and antibodies.
Potential Biases
Potential bias due to voluntary participation and limited sample diversity.
Limitations
The study was limited by the absence of veterinary services and disease surveillance in the communities.
Participant Demographics
Dogs of various breeds and cross-breeds from two northern Canadian communities.
Statistical Information
P-Value
p<0.0001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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