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 345031
Title Hematology patterns of migrating European eels and the role of EVEX virus
Author(s) Ginneken, V.J.T. van; Ballieux, B.; Willemze, R.; Coldenhoff, K.; Lentjes, E.; Antonissen, E.; Haenen, O.L.M.; Thillart, G. van den
Source Comparative Biochemistry and Physiology. C, Pharmacology, Toxicology and Endocrinology 140 (2005)1. - ISSN 1532-0456 - p. 97 - 102.
Department(s) Aquaculture and Fisheries
CIDC - Divisie Bacteriologie en TSE's
Publication type Refereed Article in a scientific journal
Publication year 2005
Keyword(s) anguilla-anguilla - herpesvirus-anguillae - sargasso sea - taiwan
Abstract We show that European eels infected with the rhabdovirus EVEX (Eel Virus European X) virus, developed hemorrhage and anemia during simulated migration in large swim tunnels, and died after 1000-1500 km. In contrast, virus-negative animals swam 5500 km, the estimated distance to the spawning ground of the European eel in the Sargasso Sea. Virus-positive eels showed a decline in hematocrit, which was related to the swim distance. Virus-negative eels showed a slightly increased hematocrit. Observed changes in plasma lactate dehydrogenase (LDH), total protein and aspartate aminotransferase (AAT) are indicative of a serious viral infection. Based on these observations, we conclude that eel virus infections may adversely affect the spawning migration of eels, and could be a contributing factor to the worldwide decline of eel.
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