My Austrolorp hen, Annie, has been sitting on 13 eggs for about a week. There were 15 but I took two because I was worried it was too much for her. I have hatched smaller broods in the past, 7-10 chicks, but I’m worried 13 is also too much? I’ve candled the eggs and theres defintiely something growing in all of them. When I checked on her this morning though, some of them were cold or had cold spots. Now I’m worried they’re all going to die. Thoughts?