9 week old border terrier mix puppies for sale. Very submissive dog. Great with kids and youngsters. Good using this type of other dogs and after that she has become through training classes for obedience. She was struggling to housebreak and she submissive pees frequently. The challenge now's that she is becoming attacking our farm animals and then we can't manage to have her carry on doing that. She needs a good family that can tolerate her urinary incontinence problems and has hardly any other vulnerable animals. She does better with large breed dogs because she tends in an attempt to dominate other dogs her size.