The average dog of this very muscular breed ranges up to 24 inches tall and weighs about 75 pounds. (dogs.lovetoknow.com)
Pit bulls, being a large muscular breed, have high protein needs. (cuddleyourdogs.com)
The Doberman Pinscher is a handsome, muscular breed with a commanding presence, but some may warn against bringing this fierce guard dog into a home with children - even when they're puppies. (dogs.lovetoknow.com)