Hello I am new to peking duck hatching---my sister has them and my children wanted to hatch them so here we are. I have a question about the shell. We are at day 24 and can hear some peeping going on... My concern right now is that some of the eggs have turned from white to a dark color (gray splotches--maybe blood spot?). I don;t now if they are dead or are dying? how long does it take them to hatch after they start making noise? This is way more stressfull than I thought this was going to be. I of course never thought we would get to this stage!