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

Frey, Caroline F.; Schuppers, Manon; Müller, Norbert; Ryser-Degiorgis, Marie-Pierre; Gottstein, Bruno

doi:10.1016/j.vetpar.2008.10.060

Cited by 31 publications

(20 citation statements)

References 6 publications

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“…Trichinellosis in Eurasian lynx was found in 22 to 67% of individuals in Estonia (Järvis and Miller 1999; Valdmann et al 2004; Malakauskas et al 2007; Pozio 2013) in 46 to 98% in Republic of Latvia (Bagrade et al 2003; Malakauskas et al 2007) and in Finland, where the prevalence in lynx is the highest among free-living carnivores—up to 70% (Airas et al 2010). T. britovi was detected also in lynx from Slovakia (Hurníková et al 2009) and in 27% of Swiss lynx (Frey et al 2009). This species is also prevalent in other wild mammals in Poland, infecting mainly red fox (Cabaj et al 2000; Cabaj et al 2004), but also found in wild boar ( Sus scrofa L., 1758) (Bilska-Zając et al 2013), wolf (Cabaj 2006), martens and badger (Moskwa et al 2012), and American mink ( Neovison vison Schreber, 1777) (Hurníková et al 2016).…”

Section: Discussionmentioning

confidence: 99%

Update of the helminth fauna in Eurasian lynx (Lynx lynx) in Poland

et al. 2018

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The Eurasian lynx (Lynx lynx) is a strictly protected species of large carnivore in Poland. It inhabits forest complexes in north-eastern Poland and the Carpathian region in southern Poland. The status of the lynx within Poland requires special attention because its range decreased between 1980 and 2001 and has not yet recovered. One of the factors negatively affecting lynx populations is diseases, particularly parasites. The helminth fauna of the Eurasian lynx is not fully known in Poland. Previous coprological studies revealed that Polish lynx have been infected with seven species of nematodes, three species of cestodes, and one species of trematode. In this study, we present new data based on examination of opportunistically collected lynx carcasses. The aim of the study was to complement data on the helminth fauna of Eurasian lynx inhabiting Poland based on morphological and molecular analysis of parasites. Four species of cestodes—Taenia lynciscapreoli, Mesocestoides lineatus, Spirometra sp., and Taenia krabbei—were found for the first time in Eurasian lynx from Poland and three previously reported species of nematodes—Ancylostoma tubaeforme, Toxascaris leonina, and Toxocara cati—were confirmed. Larvae of Trichinella britovi were also detected in Eurasian lynx in Poland for the first time.

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Section: Discussionmentioning

confidence: 99%

Update of the helminth fauna in Eurasian lynx (Lynx lynx) in Poland

et al. 2018

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“…This is especially true when access to samples is limited, as is the case in small and strictly protected animal populations. Thus, a study on Trichinella in Swiss carnivores included 1289 hunted red foxes ( Vulpes vulpes ) sampled within less than two years, while data from 55 Eurasian lynx ( Lynx lynx ) originated from necropsy samples taken over nine years [58]. …”

Section: Introductionmentioning

confidence: 99%

Wildlife health investigations: needs, challenges and recommendations

2013

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In a fast changing world with growing concerns about biodiversity loss and an increasing number of animal and human diseases emerging from wildlife, the need for effective wildlife health investigations including both surveillance and research is now widely recognized. However, procedures applicable to and knowledge acquired from studies related to domestic animal and human health can be on partly extrapolated to wildlife. This article identifies requirements and challenges inherent in wildlife health investigations, reviews important definitions and novel health investigation methods, and proposes tools and strategies for effective wildlife health surveillance programs. Impediments to wildlife health investigations are largely related to zoological, behavioral and ecological characteristics of wildlife populations and to limited access to investigation materials. These concerns should not be viewed as insurmountable but it is imperative that they are considered in study design, data analysis and result interpretation. It is particularly crucial to remember that health surveillance does not begin in the laboratory but in the fields. In this context, participatory approaches and mutual respect are essential. Furthermore, interdisciplinarity and open minds are necessary because a wide range of tools and knowledge from different fields need to be integrated in wildlife health surveillance and research. The identification of factors contributing to disease emergence requires the comparison of health and ecological data over time and among geographical regions. Finally, there is a need for the development and validation of diagnostic tests for wildlife species and for data on free-ranging population densities. Training of health professionals in wildlife diseases should also be improved. Overall, the article particularly emphasizes five needs of wildlife health investigations: communication and collaboration; use of synergies and triangulation approaches; investments for the long term; systematic collection of metadata; and harmonization of definitions and methods.

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“…In all cases, the Trichinella species detected was T. britovi. The foxes infected with Trichinella were the most numerous in the central and western regions of the country, and badgers in the western regions (11). Studies of the prevalence of Trichinella among red foxes, martens and badgers in the Italian Alps showed infections with T. britovi (24).…”

Section: Resultsmentioning

confidence: 99%

Prevalence of Trichinella britovi in muscle tissue samples from foxes from Podkarpackie Voivodeship, Poland

Wisniewski¹,

Bełkot²,

Orłowska³

et al. 2016

Medycyna Weterynaryjna

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The aim of the study was to detect Trichinella larvae in muscle tissue samples of red foxes (Vulpes vulpes) living in Podkarpackie Voivodeship and to determine their species composition. Muscle tissue samples had been collected from a total number of 139 red foxes culled during 2011-2012 in Podkarpackie Voivodeship and studied for the presence of Trichinella. Ten-gram muscle tissue samples were collected from each animal, combined into a fifty-gram pooled sample and then tested for the presence of Trichinella by the reference method for pooled sample digestion with a magnetic stirrer. Whenever a pooled sample gave a positive result, the suspected animals were resampled, and each ten-gram muscle tissue sample was tested separately. Trichinella larvae were identified to species by Multiplex PCR. The studies revealed the presence of one Trichinella larva in a pooled sample composed of five individual samples from foxes culled in the following locations: Leszczowate in Bieszczadzki District (one sample), Szczutków in Lubaczowski District (two samples), Podemszczyzna in Lubaczowski District (one sample) and Strzyżów in Strzyżowski District (one sample). No Trichinella larvae were detected during the test carried out on individual samples that composed the pooled sample. Numerous Trichinella larvae were found in samples from 4 foxes coming from Berezka and Glinka in Leski District, Dybawka in Przemyski District, and Golcowa in Brzozowski District. All Trichinella larvae isolated from the foxes belonged to the species T. britovi. The study confirmed the role of foxes as an important vector of Trichinella larvae circulating in the habitat of humans and animals. T. britovi is a species occurring most frequently in the fox population.

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

Cited by 31 publications

References 6 publications

Update of the helminth fauna in Eurasian lynx (Lynx lynx) in Poland

Update of the helminth fauna in Eurasian lynx (Lynx lynx) in Poland

Wildlife health investigations: needs, challenges and recommendations

Prevalence of Trichinella britovi in muscle tissue samples from foxes from Podkarpackie Voivodeship, Poland

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