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Open Sci."],"published-print":{"date-parts":[[2025,8]]},"abstract":"<jats:p>\n                    <jats:italic toggle=\"yes\">Toxoplasma gondii<\/jats:italic>\n                    infection has been linked to dampening hosts anti-predator behaviour particularly in laboratory conditions with rodents. Little is known about the role of\n                    <jats:italic toggle=\"yes\">T. gondii<\/jats:italic>\n                    within more complex ecological contexts involving large mammals. Therefore, we aimed to determine the prevalence of\n                    <jats:italic toggle=\"yes\">T. gondii<\/jats:italic>\n                    infection in a population of free-living fallow deer (\n                    <jats:italic toggle=\"yes\">Dama dama<\/jats:italic>\n                    ). In addition, we assessed whether there was a link between deer seropositivity and space use where deer may be more likely to be exposed to\n                    <jats:italic toggle=\"yes\">T. gondii<\/jats:italic>\n                    (e.g. closer to human infrastructure). Finally, we determined whether infection with\n                    <jats:italic toggle=\"yes\">T. gondii<\/jats:italic>\n                    was linked to deer risk-taking behaviour. To achieve our goals, we estimated seropositivity and combined it with spatial distribution and behavioural data of individually recognizable deer ranging from those that avoid humans (risk avoiders) to those who beg for food (risk takers). We found\n                    <jats:italic toggle=\"yes\">T. gondii<\/jats:italic>\n                    to be quite widespread in this population with a seropositivity rate of approximately 20%. We found no correlation between\n                    <jats:italic toggle=\"yes\">T. gondii<\/jats:italic>\n                    seropositivity and space use in the park, therefore we were unable to determine how the deer were exposed. We did however find that seropositive deer were also more likely to take risks, opening new avenues to explore\n                    <jats:italic toggle=\"yes\">T. gondii<\/jats:italic>\n                    \u2019s dynamics in the wild.\n                  <\/jats:p>","DOI":"10.1098\/rsos.250159","type":"journal-article","created":{"date-parts":[[2025,8,13]],"date-time":"2025-08-13T04:45:59Z","timestamp":1755060359000},"update-policy":"https:\/\/doi.org\/10.1098\/crossmark-policy","source":"Crossref","is-referenced-by-count":1,"title":["Fallow deer approaching humans are more likely to be seropositive for\n                    <i>Toxoplasma gondii<\/i>"],"prefix":"10.1098","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6116-1233","authenticated-orcid":true,"given":"Andrew R.","family":"Ryan","sequence":"first","affiliation":[{"name":"Laboratory of Wildlife Ecology and Behaviour, University College Dublin School of Biology and Environmental Science","place":["Dublin, 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