The profile of bad dogs I've seen is a grown dog that has received no training, little or no exposure to birds or gunfire. Not that it can't be done, but it's going to take a lot of patience and someone who knows what they are doing or is willing to learn. Most dogs aren't really good bird dogs until their third year afield.

Sporting dogs are the products of generations of selective breeding to produce certain desired traits and it's difficult to train out what's bred in. If your Weim is from good hunting lines and has ability, it should have natural pointing and retrieving instincts and some run in her-- to much to be a flusher unless you reel her in. She should be bird crazy and search for them, not just stumble over them.

Again, I'd get a local pro to evaluate the dog and see if it has potential to be a meat dog.

Good luck with the dog and I hope she grows into your expectations.