| Event name: | CA-90-006 | |
| Country: | CANADA | |
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Nature of the harmful event: |
Seafood toxins | |
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Event directly affected: |
Shellfish , Humans | |
| Toxicity detected: | Yes | |
| Associated syndrome: | DSP | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | ||
| Report the outcome of a monitoring programme: | Yes | |
| Event occurred before in this location: | No | |
| Individuals to contact: | de FREITAS, Anthony | |
| Location: | Latitude: , Longitude: | |
| General location information: |
Halifax Estern Shore, Scotia Fundy Region HAB Area code(s): CA-17 |
|
| Additional location information: | Mahone Bay, Southern Nova Scotia. | |
| Bloom event dates (yyyy/mm/dd): | ||
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | Early August | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Dinophysis spp.
(100 - 200 cells/L)
October 20 Dinophysis spp. (1,600 cells/L) September 28 |
|
| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | Mussel digestive glands contained remnants of Dinophysis norvegica. When biologists sample the water column in mid-August to mid-November, several Dinophysis species, including D. Norvegica, were present. | |
| Event-related bibliography: | ||
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 20 °C, Min: 18 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | ||||||||||||||||||||||||||
| Bloom location in the water column: | ||||||||||||||||||||||||||
| Growth: | ||||||||||||||||||||||||||
| Growth Comments | Not known. | |||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: | Type of kit used: | ||||||
| Additional information: | |||||||
| Economic losses: | |||||||
| Management decision: | None. | ||||||
| Additional harmful effect information: | At least 16 people developed symptoms of nausea, vomiting and diarrhoea shortly after eating cultured mussels. Extracts of raw and cooked mussels were toxic to mice (IP injection). Ionspray-MS (Sciex) and proton NMR spectroscopy established the presence o | ||||||
