I have a 7.5 year old cock-a-poo that has become increasingly finicky with each year that passes.  We have gone through so many different types from the very expensive to the not as expensive.  He is still a very picky eater but he is responding better to this type of dog food than the recent IAMS all fish type.  I had him on the all fish diet because of his skin sensitivities.  He tends to scratch a lot; the itching is a lot better with this brand.