Hello. I just placed an order for 51 chickens today and I have no idea as to what I am doing. LOL Well not exactly but I'm definitely a newbie. I'll be raising mostly meat birds but some layers. My chickens will free range, but I know I need to supplement with some feed. I want to give them whole grains w/o soy, preferably something I can mix up myself. I couldn't find anything online that would be simple and meet that criteria. I looked at lion's grip and other websites. Any ideas? Could I just mix equal parts whole wheat, whole corn and lentils? Can someone explain what scratch is? And if they free range, do I need grit? How about oyster shells? I guess I'm just not clear on what all I need to be feeding the birds.