This is what you need to consider when selecting food for your GSD…
How to Pick the Best Dog Food
Here’s a list of links for learning about how to tell good dog foods from bad. Some of these
pages contain lists of high-quality foods and notes about why they’re good.
The Dog Food Analysis offer in-depth reviews and information on commercial foods.
Click on REVIEWS to see the foods, or SEARCH for particular foods.
Get the Facts: What’s Really In Dog Food
http://www.api4animals.org/facts?p=359&more=1
All Natural Diet for Dogs by Ed Frawley
http://www.leerburg.com/diet.htm