Your hen will have large poops before she lays an egg. The poops will stay large & smelly during the egg laying process & even as your hen sits on her eggs. When your hen lays the egg don't take the egg away. She can lay up to 4-5 eggs & they will lay an egg every other day. Your hen may sit on her infertile eggs up to a good 21 days. When she gets bored with them & starts perching then take them away. Keep us updated on your hen is doing.