I've had good luck with production reds and buff oprintons get two years out of them our Coronation Sussex and light Sussex are not great winter layers but did get 4 or 5 eggs out of ten hens most of the winter they backed off now but I'm not feeding layer ration either will start as soon as the weather starts to straighten up . heat wave today all the way up to 41 average is 53 now grrrrrrrrrrrr