I can definitely see concern where there is a need for feed during those months when the buhs and local veg is going dormant or winter, like SD, hete in CO, our growing season can be aggravatingly short

... The need for most to outsource a supply of feed can be disappointing, but i guess being blessed with a big farm family with grain otions is nice. I have access to unlimited corn snd wheat all winter, but that's NOT what i want, and it doesnt even begin to cover the choojs' needs for nutrition.
Grain is grain. Hardly a diet for a chickrn. They need protein, vitamins, minerals, good fats... Permaculture helps me incorporate thing like Nettles, Comfrey, Amaranth, Alfalfa... Nice to have a haystack too lol

.... Finding those covrr crops that can overwinter or leave seed on the ground enough to sustain them.... My ultimate goal would be literally a flock of 100+ on a rotating paddock system from hayfields, to corfields, to wheat after harvest, back to hayfield to winter.... Im too scared of the predators to fully incorporate it yet