Depends who you ask.
“General appearance
The German Shepherd Dog is medium-size, slightly elongated, powerful and well-muscled, with dry bone and firm overall structure.”
Breed Standards
“The German Shepherd Dog is a medium-size, slightly stretched, strong, and well muscled, with the “bone” dry and firm in the over-all construction.”
http://www.germanshepherddogs.org/sv-standard/
Akc doesn’t specify that I can see.
http://images.akc.org/pdf/breeds/standards/GermanShepherdDog.pdf?_ga=1.75638421.160310691.1487289527
(Not trying to be nitpicky, but it seems to be the norm that people think GSD’s are supposed to be these huge things and weigh 120 pounds when it’s not so. But for feeding purposes, I’d agree–LB.)
