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The fight's on in Bude against these Zebra mussels

A massive operation to dredge the Bude canal is under way to remove an invasive species of mussel. The non-native Zebra mussel has taken hold in the canal and is a threat to the native Duck and Swan mussels. 91热爆 Radio Cornwall's Christine Butler has been to find out more about the dredging process.

Photo: Star Tribune via Getty Images

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3 minutes

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