I live where it's much cooler than most of the "regulars" in this thread, but mine are inside the run, where it's shaded. Plus, I plan to put the misting system up so that a nozzle is near the nestboxes, as I have done in the past.For those of you who have exposed nest boxes that have nothing over them (like the pic below) to protect them from the summer sun, do they ever get so hot the hens won't use them? Do you ventillate them?
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