I used mulch and when it dries it turns to splinters. I have been working on getting it out of there and treating Bumblefoot at the same time. Mulch is a terrible substrate I have discovered.
I have a silky cross that will lay 2 eggs in one day. One being solid in the box and then another with a thin shell that night on the roost. She gets calcium in her layer feed and free choice oyster shells and eggs shells. I wish I knew what was going on with her too. It's only 3 chickens and...