Good and bad in all lines of dogs. I've had more bad than good out of the line but I kept preserving and bred the Howler dog which is best dog I've ever had and tbh he was the only worthy dog out of 6 pups , far too much litter wastage imo hence why I went a different direction and added my first X bull greyhound bitch into them and have had a few generations since with far better consistency and are now throwing a good stamp and far more dogs making the grade. I don't hammer them like I used to, now I'm quite happy with a couple of runners pottering about and 95% of work now is along side te