Here is a quick synopsis.. I am teacher and we hatched chicks in our classroom incubator. 7 chicks are now out in the brooder. I left school yesterday with one chick who had just hatched out and one pipping.. i came back to school today and the the one who was pipping had not made any progress, hole was the same size- could still see his beak and was breathing. So, we helped get him out.. by chipping the shell away, a little at a time, he is now out. and very tired.. he has a bit of brown/red gunk stuck to his belly or bottom. maybe the umbilical type cord? he does not really want to pick up his at all and is laying down. if he falls on his back and does nto try to get up off his back? I have just left school and will go back to check on him later. the humidity and temp were fine 99.6 and 63% Any suggestions??