I buy Maxx Nutrition (found at Wal-mart) because it's supposed to be better quality than other brands typically found at Wal-mart, but at a pretty good price. I bought a sack a few days ago, and it has new packaging and "better ingredients." I think the top ingredient before was chicken meal, but now it's "chicken." Is it possible that this could be chicken by-products, or would it have to say "chicken by-products" on the label? I'm wary whenever there's a formula change. I don't see chicken-by products listed further on down the list. I think the old sack did have it listed as an ingredient, but it wasn't one of the top ingredients. It did cost more than usual, so maybe it is better quality after all, but I won't take their word on that. Before you say, just go to the pet store and get your cat on a better quality food: I paid serious bucks for Science Diet, and it made my cat's vomiting worse. It had a funny smell to it. I don't know if it was the brand or type (ironically I got the sensitive stomach formula), or the pet store - it's the main pet store in town, and still doesn't sell a lot of cat food. I think it just sits there for who knows how long. I'm very hesitant to shell out bucks for Nutro or one of the other health food-type brands. My cat is very iffy with food for some reason - she's been doing very well with Maxx, though. I'd like to stick with this one. Anybody else use Maxx and notice the change? How is your cat doing on it? This is Maisey's first day on the new formula, and she seems to be fine with it.