Overly anxious 1st time duck momma here. I recused this abandoned duck egg and have been incubating it in a homemade bator. My question is... I can see baby pushing on the air sac but he hasn't made it through. Its like he can't break it. How long before I break a small hole to help him clear it. I dont want him to suffocate. I know to do nothing further and allow him to finish. I also know I'm going to be told to sit on my hands and wait but the thought of the little fella dying bc I just waited is horrible! Help!