Cases of bird flu have been detected at a second location near Appleby according to the Animal and Plant Health agency.
A 3km 'captive bird controlled zone' has been put in place around the premises and infected birds will be 'humanely culled'.
The UK is currently seeing an outbreak of avian influenza with 147 cases of the virus found in England since the start of October.
The highly pathogenic strain of avian influenza was also found at a commercial poultry premises near Langwathby last month.
The MP for Penrith and the Border Dr Neil Hudson said that the outbreak was "more upsetting news for us in Cumbria" and his thoughts were with "those in the frontline."
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Members of the public have been urged to inform the authorities if they suspect a case of bird flu.
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