Assessment of the prevalence of Trichinella spp. in red foxes and Eurasian lynxes from Switzerland

Frey, Caroline; Schuppers, M.E.; Müller, Norbert; Ryser-Degiorgis, Marie-Pierre; Gottstein, Bruno (2009). Assessment of the prevalence of Trichinella spp. in red foxes and Eurasian lynxes from Switzerland. Veterinary parasitology, 159(3-4), pp. 295-299. Amsterdam: Elsevier 10.1016/j.vetpar.2008.10.060

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Trichinella spp. larvae have not been detected in Swiss pigs, horses, or wild boar for many decades, whereas the parasite was repeatedly isolated from red foxes and Eurasian lynxes. Whenever the isolated larvae could be subjected to genotyping, T. britovi was found as infective agent. The present study was initiated to re-assess the epidemiological situation of Trichinella infection in Swiss carnivorous wildlife, namely in red foxes and lynxes. Tissue samples from 1,298 foxes were collected between 2006 and 2007, and those of 55 lynxes between 1999 and 2007. All samples were tested by a standard artificial digestion method and a multiplex-PCR to determine the species and/or genotypes of recovered larvae. Trichinella larvae were found in 21 foxes (1.6%) and 15 lynxes (27.3%), and T. britovi was identified as infecting species in all cases. The geographic distribution of positive foxes showed two main clusters: one in Central Switzerland and one in the West of the country, where also many lynxes were found to be positive. While the prevalence for Trichinella infection in foxes was not statistically correlated with sex or age class, the prevalence in lynx was significantly higher in males compared to females, and in adults compared to juveniles.

Item Type:

Journal Article (Original Article)

Division/Institute:

05 Veterinary Medicine > Research Foci > Host-Pathogen Interaction
05 Veterinary Medicine > Department of Infectious Diseases and Pathobiology (DIP) > Institute of Parasitology
05 Veterinary Medicine > Department of Infectious Diseases and Pathobiology (DIP)
05 Veterinary Medicine > Department of Infectious Diseases and Pathobiology (DIP) > Center for Fish and Wildlife Health (FIWI)

UniBE Contributor:

Frey, Caroline; Müller, Norbert; Ryser, Marie Pierre and Gottstein, Bruno

Subjects:

600 Technology > 630 Agriculture

ISSN:

0304-4017

Publisher:

Elsevier

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 15:25

Last Modified:

22 Mar 2016 15:50

Publisher DOI:

10.1016/j.vetpar.2008.10.060

PubMed ID:

19041184

Web of Science ID:

000264038400025

BORIS DOI:

10.7892/boris.38332

URI:

https://boris.unibe.ch/id/eprint/38332 (FactScience: 221167)

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