ArticleInternational journal for parasitology. Parasites and wildlife2014
Toxoplasma gondii exposure in arctic-nesting geese: A multi-state occupancy framework and comparison of serological assays.
Article in International journal for parasitology. Parasites and wildlife, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 45 citations in OpenAlex.
- Estimating parasite infrapopulation size given imperfect detection: Proof-of-concept with ectoparasitic fleas on prairie dogs.International journal for parasitology. Parasites and wildlife · 2023Article
- MULTI-STATE OCCUPANCY MODEL ESTIMATES PROBABILITY OF DETECTION OF AN AQUATIC PARASITE USING ENVIRONMENTAL DNA: PSEUDOLOMA NEUROPHILIA IN ZEBRAFISH AQUARIA.The Journal of parasitology · 2022Article
- Dried Blood Spots technology for veterinary applications and biological investigations: technical aspects, retrospective analysis, ongoing status and future perspectives.Veterinary research communications · 2022Review
- Wild Rabbit Exposure toMicroorganisms · 2021Article
- Validation of the Use of Dried Blood Samples for the Detection ofPathogens (Basel, Switzerland) · 2021Article
- Epidemiologic significance ofParasitology · 2021Review
- Implications of Zoonoses From Hunting and Use of Wildlife in North American Arctic and Boreal Biomes: Pandemic Potential, Monitoring, and Mitigation.Frontiers in public health · 2021Review
- Serological evidence ofInternational journal for parasitology. Parasites and wildlife · 2020Article
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- Comparison of tissues (heart vs. brain) and serological tests (MAT, ELISA and IFAT) for detection ofFood and waterborne parasitology · 2019Article
- Exposure of yellow-legged gulls toInternational journal for parasitology. Parasites and wildlife · 2019Article
- Foxes (International journal for parasitology. Parasites and wildlife · 2018Article
- Surveillance of vector-borne pathogens under imperfect detection: lessons from Chagas disease risk (mis)measurement.Scientific reports · 2018Article
- Article
- Toxoplasma gondii survey in cats from two environments of the city of Rio de Janeiro, Brazil by Modified Agglutination Test on sera and filter-paper.Parasites & vectors · 2017Article
- Invasion of two tick-borne diseases across New England: harnessing human surveillance data to capture underlying ecological invasion processes.Proceedings. Biological sciences · 2016Article
- Toxoplasmosis in geese and detection of two new atypical Toxoplasma gondii strains from naturally infected Canada geese (Branta canadensis).Parasitology research · 2016Article
- Wildlife parasites in a One Health world.Trends in parasitology · 2015Review
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Authors and funding
7 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The zoonotic parasite, Toxoplasma gondii, has a worldwide distribution and a cosmopolitan suite of hosts. In arctic tundra regions, the definitive felid hosts are rare to absent and, while the complete transmission routes in such regions have yet to be fully elucidated, trophic and vertical routes are likely to be important. Wild birds are common intermediate hosts of T. gondii, and in the central Canadian arctic, geese are probable vectors of the parasite from temperate latitudes to the arctic regions. Our objective was to estimate seroprevalence of T. gondii in Ross's and Lesser Snow Geese from the Karrak Lake ecosystem in Nunavut, Canada. After harvesting geese by shotgun, we collected blood on filter paper strips and tested the eluate for T. gondii antibodies by indirect fluorescent antibody test (IFAT) and direct agglutination test (DAT). We estimated seroprevalence using a multi-state occupancy model, which reduced bias by accounting for imperfect detection, and compared these estimates to a naïve estimator. Ross's Geese had a 0.39 probability of seropositivity, while for Lesser Snow Geese the probability of positive for T. gondii antibodies was 0.36. IFAT had a higher antibody detection probability than DAT, but IFAT also had a higher probability of yielding ambiguous or unclassifiable results. The results of this study indicate that Ross's Geese and Lesser Snow Geese migrating to the Karrak Lake region of Nunavut are routinely exposed to T. gondii at some point in their lives and that they are likely intermediate hosts of the parasite. Also, we were able to enhance our estimation of T. gondii seroprevalence by using an occupancy approach that accounted for both false-negative and false-positive detections and by using multiple diagnostic tests in the absence of a gold standard serological assay for wild geese.
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