Alnorthumbria Vets are also treating a rising number of sheepdogs, working terriers
and gundogs infected with Leptospirosis, a rat and water-borne disease which can prove fatal.
Mr McCarthy and Mr Coughlan said they kept their working terriers
for ratting, two to a kennel.
Simon Hart, director of the Countryside Alliance's Campaign for Hunting said, ``The campaign has always been totally committed to promoting working terriers
and the important tasks they fulfil in pest control and management in the countryside.