Hens go broody when you don’t want them to… and won’t go broody when you do. when is old enough for no heat in so cal near ocean can get high 48f at night. I have over heated can I stop suddenly ? they go under lamp at night. have I ruined there ability to keep warm. I should have read more about this sooner as I have been heating 12 week old oops during the cold night and they are feathered. one runt comes in at night with his hen. they are inseparable.