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Heartworm Infection Among Domestic Dogs in Canada with a Focus on Ontario: Temporal Trend, Spatial Distribution and Risk Factors

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dc.contributor.advisor Berke, Olaf
dc.contributor.author McGill, Erin
dc.date.accessioned 2018-09-05T18:41:29Z
dc.date.available 2018-09-05T18:41:29Z
dc.date.copyright 2018-08-27
dc.date.created 2018-08-27
dc.date.issued 2018-09-05
dc.identifier.uri http://hdl.handle.net/10214/14250
dc.description.abstract The heartworm infection status of domestic dogs in Canada, specifically Ontario is described in this thesis. The analysis was based on annual survey data collected from veterinary clinics across Canada during 1977 to 2010, as well as serological laboratory test results collected from 2007 to 2016. A temporal trend in heartworm infection was assessed using survey and laboratory data. Furthermore, the survey data were used to assess the efficacy of preventive medication through the Attributable Fraction Exposed. The spatial extent of heartworm was visually assessed through choropleth maps. The impact of reported risk factors on heartworm infection prevalence was assessed. Descriptive analysis revealed temporal changes in prevalence and changes in spatial distribution. Further analysis of risk factors illustrated that climate and human population size have impacted canine heartworm infection prevalence in southern Ontario. This thesis contributes to the understanding of heartworm infection in domestic dogs in both Ontario and Canada. en_US
dc.description.sponsorship Zoetis Investment in Innovation en_US
dc.language.iso en en_US
dc.subject Canine heartworm en_US
dc.subject Dirofilaria immitis en_US
dc.subject Geospatial en_US
dc.subject Risk factors en_US
dc.subject Prevalence en_US
dc.subject Canada en_US
dc.title Heartworm Infection Among Domestic Dogs in Canada with a Focus on Ontario: Temporal Trend, Spatial Distribution and Risk Factors en_US
dc.type Thesis en_US
dc.degree.programme Population Medicine en_US
dc.degree.name Master of Science en_US
dc.degree.department Department of Population Medicine en_US
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