Mark Doggett has trained his two dogs to sniff out the destructive fungus . His Border collie and English springer spaniel had 30 training . When they find dry rot they stop , stare at it and point with their nose .
Mark Doggett has trained his two dogs to sniff out the destructive fungus . His Border collie and English springer spaniel had six months training . When they find dry rot they stop , stare at it and point with their nose .