Caroline,
We heard about it from our breeder. We were very concerned about protien content of other dog foods, so we stayed with the wellness. We switched our dobbie to it as well. Sky, our first newfy was growing very quickly but was a good weight. Max, the dobie, did very well on it, he lost some weight, and his coat improved. Unfortunetly he did not loose enough wieght and is now on Jenny Craig for dogs.
I like the fact there are no chemicals or additives. If I had kids they would eat only organic food. It is just healthier.
Gwyn