Event name:
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GB-94-005
|
Country:
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UNITED KINGDOM
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Nature of the harmful event:
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Seafood toxins
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Event directly affected:
|
|
Toxicity detected:
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Yes
(Approximate range: 5,040 mu.)
|
Associated syndrome:
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PSP
|
Unexplained toxicity:
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No
|
Species implicated in toxin transmission (transvector):
|
|
Report the outcome of a monitoring programme:
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Yes
(SOAFD Monitoring Programme.)
|
Event occurred before in this location:
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Yes
(Regular occurrence since 1990.)
|
Individuals to contact:
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MACDONALD, Elspeth
,
HOWARD, Godfrey
|
Species containing the toxin
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Toxin type
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Toxin details
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Max. concentration
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Assay type
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Mytilus edulis
|
Saxitoxins
|
STX eq
|
658 ug/100g
|
Bioassay-Mouse
|
|
Kit used:
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Type of kit used:
|
Additional information:
|
PSP toxins detected in pectinids, mussels and razor fish from many sites in the area. Maximum toxicity (5,040 mu/658 ug/100g) was recorded in early June and although levels then declined, they did not drop below 400 mu until early September.
|
Economic losses:
|
|
Management decision:
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Six closure orders were enforced beginning on 21st May and finally lifted on 17th September.
|
Additional harmful effect information:
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PSP toxins were also detected in brown crab and lobsters but were found to be mainly < 400 mu. Velvel crabs had toxin levels up to 1924 mu. No action necessary, as fisherman imposed a voluntary closed season.
|