Originally Posted by
barry581
It's almost impossible to tell what a 9 week old puppy will look like as an adult. A good guide is the size of the dogs in the puppies lines, not jus the sire and dam. From a conformation standpoint, all bets are off as this pup comes from field/working lines, and these breeders are more concerned with working ability than the dog conforming to the breed standard.
Personally I'd be more concerned with health clearances. Have the parents been tested and cleared for all the normal hereditary issues, hips, elbows, eyes, heart, EIC, CNM, amongst others?