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 429298
Title Viral diseases of wild and farmed European eel Anguilla anguilla with particular reference to the Netherlands
Author(s) Beurden, S.J. van; Engelsma, M.Y.; Roozenburg, I.; Voorbergen-Laarman, H.A.; Tulden, P.W. van; Kerkhoff, S.; Nieuwstadt, A.; Davidse, A.; Haenen, O.L.M.
Source Diseases of Aquatic Organisms 101 (2012). - ISSN 0177-5103 - p. 69 - 86.
DOI https://doi.org/10.3354/dao02501
Department(s) CVI Bacteriology and Epidemiology
CIDC - Divisie Bacteriologie en TSE's
Publication type Refereed Article in a scientific journal
Publication year 2012
Keyword(s) pancreatic necrosis virus - pillar cell necrosis - herpesvirus-anguillae - japanese eel - japonica temminck - phylogenetic-relationships - rhabdoviral dermatitis - taxonomic position - genome sequence - rainbow-trout
Abstract Diseases are an important cause of losses and decreased production rates in freshwater eel farming, and have been suggested to play a contributory role in the worldwide decline in wild freshwater eel stocks. Three commonly detected pathogenic viruses of European eel Anguilla anguilla are the aquabirnavirus eel virus European (EVE), the rhabdovirus eel virus European X (EVEX), and the alloherpesvirus anguillid herpesvirus 1 (AngHV1). In general, all 3 viruses cause a nonspecific haemorrhagic disease with increased mortality rates. This review provides an overview of the current knowledge on the aetiology, prevalence, clinical signs and gross pathology of these 3 viruses. Reported experimental infections showed the temperature dependency and potential pathogenicity of these viruses for eels and other fish species. In addition to the published literature, an overview of the isolation of pathogenic viruses from wild and farmed A. anguilla in the Netherlands during the past 2 decades is given. A total of 249 wild A. anguilla, 39 batches of glass eels intended for farming purposes, and 239 batches of farmed European eels were necropsied and examined virologically. AngHV1 was isolated from wild A. anguilla yellow and silver eels from the Netherlands from 1998 until the present, while EVEX was only found sporadically, and EVE was never isolated. In farmed A. anguilla AngHV1 was also the most commonly isolated virus, followed by EVE and EVEX.
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