i no might be what want 2 hear but it might have been more then the fox problem ,i think it might time 2 go back 2 basics ,have not got other mates with lurchers that is catching ,retrieveing and recall 200% for him 2 watch how its done ,what ever you do don,t take it out with un experience dogs as bad habbitts aswell as good can rub off on your dog,keep me posted mate as i might be able 2 help