Yes, you absolutely can, and there are some advantages to doing so. Namely that they will start laying next spring. It's best to get them September/October because after that, the cold sets in and it gets harder to transition them away from heat.
When you reach your lowest point, you are open to the greatest change.
-Avatar Aang
permaculture is largely about replacing oil with people. And one tiny ad:
Switching from electric heat to a rocket mass heater reduces your carbon footprint as much as parking 7 cars