I'm wanting to make my own chicken scratch (organic). So far I have steel cut oats, cracked wheat and millet. What are black oil sunflower seeds? I give my chicks raw shelled sunflower seeds and was planning on mixing some in the scratch. I sprinkle a couple handfuls of scratch in the run when I let them out of their coop in the morning (6:00 am....Yawn!). There's not a whole lot to peck at in their run. This keeps them busy until I get back out there to let them out to forage a little. I was also wondering if corn could, or should, be left out due to the high caloric value. Thanks for any and all advice!!