I've never looked closely enough but what is the source of protein in commercial feed? If I were to guess I would guess either small species fish (not very environmentally friendly) or ... ready ... chicken.
The little darlings seemed to have thrived before the days of commercial anchovy...
I'm drawn to the more primitive grains both for nutrition and plant vigor. My past was full of issues of Organic Gardening when amaranth was all the rage. And, there are so many new varieties of amaranth that one can grow it as an ornamental. It's major drawback, as I recall, is its propensity...
Seems like legumes of all types are problematic for chickens unless cooked (energy use) and corn needs to be cracked and/or sprouted for maximum benefit although it is tried and true. I do like the other ideas from above.
Paul
I'm new to the site and I do apologize if this is a tired topic. I've done layers for a long time but have usually purchased layer mash. I'd like to consider growing my own feed. I'm in Ohio so standard midwestern climate. So ...
If one were to grow one's own feed (organic) for a small flock...