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The risk of GI parasitism in dogs (including<jats:italic>Giardia<\/jats:italic>spp.) may increase with park use in urban areas. This study aimed to (1) determine whether park attendance is a risk factor for<jats:italic>Giardia<\/jats:italic>spp. infection in dogs and (2) characterize the behavioural and demographic risk factors for<jats:italic>Giardia<\/jats:italic>spp. infection in park-attending and non-park-attending dogs. From August to September 2012, a total of 1293 dog owners completed a survey and 860 corresponding dog faecal samples were collected. Dog faeces were screened for<jats:italic>Giardia<\/jats:italic>spp. using a direct immunofluorescence assay and associations assessed among behaviours, demographics, and<jats:italic>Giardia<\/jats:italic>spp. infection. Main results included off-leash and swimming frequencies within parks as significantly positively associated with<jats:italic>Giardia<\/jats:italic>spp. infection in dogs. Dog-owner age was negatively associated with off-leash and swimming frequencies in parks. The results suggest some recreational behaviours in parks and certain demographics are risk factors for parasitism in pet dogs.<\/jats:p>","DOI":"10.1017\/s0950268815000400","type":"journal-article","created":{"date-parts":[[2015,4,13]],"date-time":"2015-04-13T06:50:07Z","timestamp":1428907807000},"page":"3277-3291","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":12,"title":["Urban park-related risks for<i>Giardia<\/i>spp. infection in dogs"],"prefix":"10.1017","volume":"143","author":[{"given":"A. 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