Howdy and thanks for reading. Firstly I am new to breeding and know I've done a few things wrong. Firstly I had a hen sitting on some eggs as she was broody and I thought yeah why not she was broody last year I will allow it to run a natural course, who doesn't love chicks. I then went away for a few days and came back to 2 hens sitting on double the eggs. 12 eggs all up. They are sharing a nesting box and I've noticed they pinch each other's eggs when they hop off for water etc. My issue is the time line of what to expect with chicks hatching. We went away again and I estimated that the first batch would likely hatch while away so made sure food water etc would be waiting incase this happened. When I came home yesterday there was one happy chick and one dead in the shell that was in half. I also noticed one egg had a tiny hole and pecker sticking out and left it to hatch . This morning it is alive and well sitting with the other hen. I am now left with 7 eggs that I'm not sure about? I am hoping that only one hen hops off eggs in the next day and the other stays sitting. Next time. I will seperate hens into brooding boxes that I now have set up. Why do you think the chick died? How long do I leave the hens sitting for? I have also separated the other hens to stop them laying in this box. And will re-open door so mum can introduce chicks soon. Is there a best time? Thanks heaps.