What kind of bull dog do you have? English or American?

 

Bulldogs are large breed because of their weight and bone mass.

 

Large-sized dogs are classified as dog breeds weighing 50 or more pounds.

 

My understanding is that by KC classification my rotti is only medium to large as she will way about 80lbs so I would put a bull dog in the medium area.

 

If you are in doubt, get a LBP food. A LBP food won't hurt a small breed, but a non-LBP food may hurt a large breed.