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So happy you have joined our flock.

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It's on the front mostly but there are also holes in the overhang that have been covered with chicken wire, they have plenty of ventilation.Where is the ventilation in the coop? The flock needs as close to 1 sq ft of ventilation per bird as you can manage with most of it over their heads when roosted, the rest coming in low to feed the thermal effect that will move stale, moist ammonia laden air out of the coop.