Hello, I have a silkie who is a great mommy and is on her second brood. This time she has ten eggs which I bought and placed under her, they're due for August 29th. I noticed this morning when she briefly got up to eat that the eggs were really dirty and have some poo on them. Is this dangerous? I'm afraid if I washed them it might harm them, also I really want to minimize any stress for my broody. I've seen threads about washing incubated eggs but this is a bit different.