First off I looked at the dog food rating that was passed to me some time back over the worldwide web. I did not agree with it as it made not so good remarks to certian ingredients. Fish or Chicken meal or by products. I talked to a dog food saleaman at our local feed mill and he said that chicken is chicken and they do not use just the breast but the skin and all of the meat and sometime no breast at all. It may be left over from a food processor but all is good. He said if your dog does good on a food then stick with it and don't listen and believe everything you hear. But if doubtful the call the food manufacturer and ask questions. I do not use his product but he was very informative.
I personally use National but am thinking about moving to Purina's Pro Plan