A friend of mine had a dog bred that way.
He was full of energy at all times, a good dog on the lamp and the f**ker could jump nearly anything.
He lived for 14 or 15 years
If they are NO use then why bother breeding them?
you could of got a pup off Top terriers or the best around
then you wouldnt have the hassle of rearing pups
and your bitch could carry on as normal killing rats.
Do you post one of these topics everyday? If your that desperate to get rid of the dog Im sure someone will take it off your hands free of charge. You said yesterday Its a good worker 12 months old so why are you getting rid of it?