From: Reuters
Published February 5, 2007 12:00 AM

Britain Culls Turkeys to Quell Bird Flu Outbreak

HOLTON, England -- Britain gassed tens of thousands of turkeys and extended restrictions on the movement of poultry on Sunday to try to prevent the spread of deadly bird flu from a farm in eastern England.


The discovery of the highly pathogenic H5N1 strain of avian flu on a farm run by Europe's largest turkey producer surprised experts and raised questions about how the virus had been introduced into a sealed shed.


Britain's Department for the Environment, Food and Rural Affairs (Defra) was optimistic that the virus had been confined to the Bernard Matthews farm near the town of Lowestoft.


A high mortality rate among the birds was first spotted on Wednesday, a Bernard Matthews spokesman said.


"We called in a vet, who diagnosed the birds had an unidentifiable infection. He made his report on Thursday and that was when we called in Defra," said the spokesman.


The strain, that tends to be transmitted to poultry by infected migrating wildfowl, has killed at least 165 people worldwide since 2003, most of them in Asia.


More than 200 million birds have died from it, or been killed to prevent its spread.


Some scientists have voiced fears it could mutate into a form that could be easily transmitted between humans and possibly cause a global pandemic.


SEALED TRUCKS


The slaughter of over 150,000 turkeys at the farm started late on Saturday with the dead birds being transported from the farm in sealed trucks to be incinerated.


About 2,500 turkeys died in the initial outbreak of the virus, which appears to have been confined to one of 22 sheds at the farm.


Restrictions on the movement of poultry were extended overnight to a 2,000 sq.km (775 sq.mile) area around the farm.


Defra said the virus was the same pathogenic Asian strain found last month in Hungary where an outbreak among geese on a farm prompted the slaughter of thousands of birds.


That outbreak followed a relative lull in cases of H5N1 among European poultry since hundreds of turkeys died at a farm in eastern France about a year ago.


(Additional reporting by Paul Hughes)


Source: Reuters


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