Tbh i dont realy no how she was bred as mum died at birth and dad was a stud dog , shes ment to be just patterdale and the dad was ment to be a nuttal bred dog , the matey tryd teling us nuttal puts a bit of bull in his dogs so she has no doubt got a bit of bull in her , my mate has the sister who was the runt and she is only 12" and a cracking looking dog but she hasnt made the grade and wont mark or enter a earth