One of our hens is sitting in a pile of straw with some eggs. My son says she was there yesterday, too. So I guess this means she is brooding, right? We cant eat the eggs right now, as the birds are all on wormer and antibiotics, so we figure we'll just let her sit and see what happens. How long will she sit? That is, assumimg she started yesterday, how long until hatch? It is 21 days? Will we have to keep her and the chickies separate form the others? We are about to get 5 EE chicks in April, so I really do not what more chicks in the house. What else do I need to know?