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dc.contributor.author
Pardo Gil, Miguel
dc.contributor.author
Hegglin, Daniel
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Briner, Thomas
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Ruetten, Maja
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Müller, Norbert
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Moré, Gastón Andrés
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dc.contributor.author
Frey, Caroline F.
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Deplazes, Peter
dc.contributor.author
Basso, Walter Ubaldo
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dc.date.available
2023-12-28T13:19:26Z
dc.date.issued
2023-04
dc.identifier.citation
Pardo Gil, Miguel; Hegglin, Daniel; Briner, Thomas; Ruetten, Maja; Müller, Norbert; et al.; High prevalence rates of Toxoplasma gondii in cat-hunted small mammals - Evidence for parasite induced behavioural manipulation in the natural environment?; Australian Society for Parasitology; International Journal for Parasitology: Parasites and Wildlife; 20; 4-2023; 108-116
dc.identifier.issn
2213-2244
dc.identifier.uri
http://hdl.handle.net/11336/221765
dc.description.abstract
Toxoplasma gondii causes one of the most frequent parasitic infections in vertebrates on earth. The present study aimed to assess the occurrence of T. gondii infection in cat-hunted wild small mammals, and to determine the circulating T. gondii genotypes in cat prey. There is evidence suggesting that T. gondii may manipulate rodents' behaviour enhancing transmission to their definitive feline host by facilitating predation. Given that most studies focusing on rodent behavior have been performed under laboratory conditions, we tested this hypothesis in the natural environment. We analysed 157 cat-hunted wild small mammals of six different species from Switzerland. Brain and skeletal muscle samples from each animal were tested for T. gondii DNA by PCR, and positive samples were genotyped using a multilocus sequence typing approach, including 10 genetic markers. Additionally, to evaluate exposure to cat faeces, the presence of Taenia taeniaeformis metacestodes was investigated at necropsy. The prevalence of T. gondii in cat-hunted Arvicola amphibius s.l. was 11.1% (7/63), 14.6% (7/48) in Apodemus spp., 13.6% (3/22) in Myodes glareolus, 6.7% (1/15) in Crocidura russula, and 0% in Microtus arvalis (0/8) and Sorex sp. (0/1). All completely genotyped T. gondii parasites, exhibited the ToxoDB #3 genotype, a Type II variant. We additionally analysed 48 trap-captured A. amphibius s.l., which all tested negative for T. gondii infection, contrasting with the higher prevalence in cat-hunted A. amphibius s.l. (0% vs. 11.1%; p = 0.0176). Furthermore, T. taeniaeformis was detected in both groups, indicating widespread contamination with cat faeces in the sampled areas. These results provide evidence that T. gondii infected rodents are at higher risk to be predated by cats and therewith support the behaviour manipulation hypothesis.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Australian Society for Parasitology
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ARVICOLA
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GENOTYPING
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PARASITE-HOST MANIPULATION
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TAENIA TAENIAEFORMIS
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TOXOPLASMA GONDII
dc.subject.classification
Otras Ciencias Veterinarias
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dc.subject.classification
Ciencias Veterinarias
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dc.subject.classification
CIENCIAS AGRÍCOLAS
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dc.title
High prevalence rates of Toxoplasma gondii in cat-hunted small mammals - Evidence for parasite induced behavioural manipulation in the natural environment?
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-12-27T17:48:31Z
dc.journal.volume
20
dc.journal.pagination
108-116
dc.journal.pais
Australia
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dc.description.fil
Fil: Pardo Gil, Miguel. University of Bern; Suiza
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Fil: Hegglin, Daniel. Universitat Zurich; Suiza. Swild. Urban Ecology And Wildlife Research; Suiza
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Fil: Briner, Thomas. Naturmuseum Solothurn; Suiza
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Fil: Ruetten, Maja. Pathovet Ag; Suiza
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Fil: Müller, Norbert. University of Bern; Suiza
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Fil: Moré, Gastón Andrés. University of Bern; Suiza. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Frey, Caroline F.. University of Bern; Suiza
dc.description.fil
Fil: Deplazes, Peter. University of Bern; Suiza
dc.description.fil
Fil: Basso, Walter Ubaldo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. University of Bern; Suiza
dc.journal.title
International Journal for Parasitology: Parasites and Wildlife
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.ijppaw.2023.01.007
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S221322442300007X
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