My jumbo chicks are 5 weeks old now and I am ready to move them outside. They have been without the red light for a few days now and the temp in my garage is about the same as outdoors (not taking wind into account) The temps for the next week will be 70ish for highs and 50 for lows give or take a few degrees. I would think they are big enough to take the temps but figured it wouldn't hurt to ask. Also do you use that probiotic stuff they sell for chickens on your quail? If so do you recommend it?