We are using a most clever feeder that we read about on this very BackYardChickens site and it has totally cut down on (eliminated?) chickie food waste. I'll try to find the link & attach, but a brilliant guy posted plans for it. It's a plastic rain gutter with end caps to hold the feed, and...
you can mix pellets with warm water & make a tasty mash, and at least use up some of the bag of pellets My girls are finally starting to eat them dry after many many months!