The problem with some people feeding BARF is that they think its the ONLY way to feed a dog and its not. It maybe best for your dog but not for someone elses, i have seen dogs looking great on it and others look shit, same as dogs fed dry feed. I am a member of the britbarf board and to be honest a lot of the posts are from people having problems with dogs fed BARF. There are some very good dry feeds available in the UK now, Timderwolf, Orijen, Solid gold etc If your dog is leaving too much muck its because you are feeding too much or the feed does not agree with the dog if its a HIGH quality