I had a Doberman and I switched her the Nutro Natural dog food because of all the great things I've heard about it. Believe it or not, she was less gassy, she had less body odor, and her coat was like gloss! Great Dogfood! I now feed it to my Aussie "Heaven", I always get complements on how beautiful she is!
I have never heard of it causing growth problems. I think that most puppies have funny growth stages anyway (front end a little taller than the back) but, most of the time everything catches up and evens out!
Good luck, Amy
www.twinkletoesgrooming.com