Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 362850
Title The musk rat (Ondatra zibethicus) as intermediate host of cestodes in the Netherlands
Author(s) Borgsteede, F.H.M.; Tibben, J.H.; Giessen, J.W.B. van der
Source Veterinary Parasitology 117 (2003)1-2. - ISSN 0304-4017 - p. 29 - 36.
Department(s) ID - Infectieziekten
Publication type Refereed Article in a scientific journal
Publication year 2003
Keyword(s) foxes vulpes-vulpes - echinococcus-multilocularis - alveolar echinococcosis - lower saxony - first record - prevalence - tapeworm - epidemiology - germany - humans
Abstract An investigation on the presence of larval cestodes in musk rats (Ondatra zibethicus) was carried out in two regions of the Netherlands (east Groningen and south Limburg) where in a earlier study foxes with Echinococcus multilocularis were found. A total of 1726 musk rats were dissected (1200 in Groningen, 526 in Limburg). Larval stages of Taenia taeniaeformis were most frequently found (total 44.8%: Groningen 42%, Limburg 51.3%), followed by T. martis (total 6.1%: Groningen 0.7%, Limburg 18.6%). Infections with T. crassiceps (total 0.3%: Groningen 0%, Limburg 1.0%), T. polyacantha (total 0.2%; Groningen 0.3%, Limburg 0%) and E. multilocularis (0.1%: Groningen 0.1%, Limburg 0%) were rare. Infections with T. taeniaeformis were more frequent in adults (71.8%) than in juveniles (34.2%). The same was found for T. martis: adults 15.3%, juveniles 2.5%. This difference was also reflected in the relation between weight of the animals and presence of infection. Heavier animals (>1000 g) were more often infected with T. taeniaeformis (74.1%) than animals less than 1000 g (34.8%). In musk rats weighing less than 500 g (n=155) only 5.2% were infected, but above 1200 g, 82.6%. The highest number of T. taeniaeformis was 28, of T. martis 13, of T. crassiceps >1000 and of T. polyacantha 24. The E. multilocularis was in a very young stage, a few white spots in the liver. Although E. multilocularis infections were exceptional, it is expected that with a rise in the number of infected foxes in the Netherlands the number of infected musk rats will increase.
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