My Barred Rocks are very wasteful with the feed. I have a 3lb metal hanging feeder for them. It's about 4-6" above the floor of the coop. I just cleaned the coop and noticed there was more feed on the floor than bedding. I feed them layer crumbles. Is there a way to not have them throwing the expensive feed on the floor? I've never had a flock before that spread it around. This current flock is a big disappointment in a couple ways compared to past flocks.