On the left: Wilimena. We noticed her getting bald spots with angry red skin, particularly where the rooster grabs onto her wings/back, as well as the front of her neck. We could see new feathers coming through. We could find no bugs and the other 19 birds in the flock have beautiful plumage. We separated her for a month to allow new feather growth to somewhat cover her patches. She was still in the coop, with her own run, livestock fencing the barrier. This week, I noticed our rooster has a similar bald patch on one side of his neck. I completely clean our coop every other week, at most. We bed in hay. They get layers ration (17%), free access to oyster and a smattering of BOSS for treats. Any ideas? Should I dust the two for lice? The hen on the right is more typical of how our flock looks, though several do look better than her.