They are on starter chick feed now and I feed them 1 can of corn every day. If I am out of corn, I give them a can of whatever is in my cabinet. My question is how long do I give them the starter crumbles feed? And what do I give them next? Do I switch them to layer next? I think I will have to start giving them more corn soon. I have 20 chickens and 1 can of corn lasts for all of 15-20 seconds. Also they do get let out to pick at my yard in the evenings.