I feed the grownups Flock Raiser crumbles and rolled oat groats to chicks and adults as my main feed, about half and half. They absolutely love the oats and high in protein. I also throw a scratch called 3 grain which I mix with a variety of dried grains, dry rice, dry bulgar wheat, black oil sunflower seeds, etc. They love fresh kale, chard, and cabbage. For my chicks I am beginning to question the use of medicated feed and I think I am going to go to non medicated. I am thinking it is killing the good bacteria along with the bad and not helping them develope immunities. I am thinking we overuse antibiotics. I am having an upper respiratory infection going thru the flock now and I don't see that the medicated chick feed did anything to stop it.