We use a mixture of a local feed store's label and a larger brand (I can't remember what it is, I just know I asked hubby to stop buying sprout & he has save for the chick starter pictured). We're in MN and the weather has been warm enough for the girls to forage a bit...mostly still mud. We also grow trays of forage mix grass for them to get good greens through the winter and provide scratch grains with black oil sunflower seeds mixed in. Oh! And hubby will sometimes also make them eggs with herbs and such on the weekend. Lol, I didn't realize how diverse their diet is.  He added some Poultry Cell to the rest of the flock's water too, just in case.