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DAO 48:75-77 (2001)
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Abstract
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Accumulation of the lipophilic environmental contaminant lindane in metacercariae of Bucephaloides gracilescens (Trematoda, Bucephalidae) in the central nervous system of bullrout Myoxocephalus scorpius
A. Ruus1,2,*, J. U. Skaare2,3, K. Ingebrigtsen3
1Department of Marine Zoology and Marine Chemistry, Institute of Biology, University of Oslo, PO Box 1064, Blindern, 0316 Oslo, Norway
2National Veterinary Institute, PO Box 8156 dep., 0033 Oslo, Norway
3Department of Pharmacology, Microbiology and Food Hygiene, Norwegian School of Veterinary Science, PO Box 8146 dep., 0033 Oslo, Norway
*E-mail: anders.ruus@niva.no
ABSTRACT: Bucephaloides gracilescens is a common parasite in the intestine of the angler fish Lophius piscatorius, and the metacercariae have been recorded from a number of gadoid intermediate hosts. In a toxicokinetic study of lindane
(g-hexachlorocyclohexane) in bullrout Myoxocephalus scorpius, metacercariae of B. gracilescens were found in the central nervous system (CNS). Furthermore, the metacercariae accumulated concentrations of lindane
that were higher than in the surrounding CNS tissue. This is the first report of metacercariae of B. gracilescens in bullrout. In addition the present results contribute knowledge of the disposition of an important environmental contaminant in the
metacercarial stage of a trematode that has been pointed out as a promising sentinel species of pollution in the marine environment.
KEY WORDS: Bucephaloides gracilescens · Myoxocephalus scorpius · Lindane · g-hexachlorocyclohexane · Metacercariae
Full text in pdf format
Published in DAO Vol.
48, No. 1
(2001) on December 20
Print ISSN: 0177-5103; Online ISSN: 1616-1580.
Copyright © Inter-Research, Oldendorf/Luhe, 2001
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