That would be a good question, I know i have had drakes that couldnt reproduce to save their live, then I have had drakes that could fertilize a hen just by being within the same zip code as her. Have you had good luck with that drake fertilizing eggs? Normally they will still mate, just in my...
X2. I have hatched out in past winters but normally its a lot lower numbers and like jellybean said the drakes don't tend to breed near as often in the winter.