Well I am different than you three. Just good feed, clean water, and keep the bedding in good shape. I do not put them on the ground (except grass for some sun and exercise), until they are pretty feathered out. I figure it gradual exposure, even if it is delayed.
Nock on wood. This might be the year I have a problem, and I will have to eat my words. I will adjust if/when it becomes a problem.
Nock on wood. This might be the year I have a problem, and I will have to eat my words. I will adjust if/when it becomes a problem.