I watched a u-tube video by Becky’s Homestead that said if you feed your chickens corn and bread during the winter months, your chickens will continue to lay.
I can buy day old bread for sometimes as low as 50 cents a loaf or I make my own bread for about 50 cent a loaf.
I do always feed my chickens corn but I added bread (on purpose ) instead of just giving them the leftover bread (end pieces) as well any leftovers from our meals.
I did continue to get just as many eggs during the winter months as I did get during the other months. I do live in Florida so I have a lot more sun anyway but I do think it made a difference to give the chickens the bread.