I get what you're saying now. You'd have to separate them into two groups then so they were on different yearly schedules with different light cycles too. However, with my experience it might be tough to do it that way. They usually don't play along. LOL. And will you have males for each specific group cause you'll run in to health issues trying to breed your boys all year. They need time to rest and re-gain wight after their breeding fasts.