We feed them with a gravity fed hog feeder. I wired up the trough lids so the hens have acccess to the food all the time. Hogs would just use their nose to open the lid, (of course the hens can't do that) this way I can dump a whole sack of food in the hopper and they are good for about 3 weeks. We have 2 barred rocks, 1 sexlink, 1 RIR, 1 big black hen (not sure what she is) and 2 aracaunas in this pen. We have another pen with a white leghorn and another sexlink. No one likes them so for their safety I need to keep them seperated.