Another newbie here with 11 RIR layers and 5 cornish cross - all at 6 weeks old. They've been under a heat lamp 24 hrs/day since arrival which has been raised weekly, gradually lowering the temp to about 70 degrees. They were moved to a shed last week - it has 2 windows for natural light/ventilation and is insulated. How and when do I go about moving to a 60w bulb and giving them some darkness?????? I'm in central NY where winter temps are in the 20's. Also, when are they ready to have daily free access to their run. Currently, we let them out for a few hours at a time on nicer days. THANKS IN ADVANCE FOR YOUR HELP!!