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The mass death of crabs seen in north-east England in 2021 and 2022 could have been caused by a never-before-seen disease, according to a report commissioned by the UK government
The mass death of crabs seen in north-east England in 2021 and 2022 could have been caused by , a scientific committee assembled by the UK’s Department for Environment, Food and Rural Affairs has concluded.
The committee found it was unlikely that algae or chemical poisoning were to blame for the deaths, as previous research has suggested.started washing up along the Tees estuary on the North Yorkshire coast and then further south in the fishing town of Whitby. In May 2022, Defra’s investigation into the deaths pointed to a rapid natural increase in algae in the ocean, also known as an algal bloom, as a potential cause of the deaths. But the investigation also acknowledged that it had found no single causative factor behind the deaths. In October, a group of researchers commissioned by a fishing collective published its own research into the mass deaths. The team argued that they were unlikely to have been caused by an algal bloom and instead suggested that the more likely cause of death wasAdvertisementto research the issue further. The committee has now reported that no single factor can be blamed for the mass deaths of crustaceans. Instead, it estimates that there is a 33 to 66 per cent chance that the mass die-off was caused by a novel disease that only affects crabs and lobsters.at the National Oceanography Centre in the UK, who was part of the committee that wrote the report, said at a press briefing that a new disease could explain why the crabs exhibited twitching behaviours as they died. It would also explain why the mass deaths spanned such a long time and the fact that other marine life appeared unaffected, said Horton. However, no direct evidence of a new disease has been discovered so far, she added. The report discounts Defra’s initial suggestion that an algal bloom was to blame for the deaths, saying this couldn’t explain the twitching seen in the crabs. “I don’t find fault with the earlier report,” the chief scientific adviser to Defra,
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