I have a chick I hatched out three days ago. She hasn't ate anything but she has drank some water with Save-a-Chick in it and I have been giving her seperate water with polyvistol without iron in it. She is very lethargic, keeps chirping and I noticed when I put my ear near her back that she has a crackling noise and I can feel it when I hold her. What is this, and what can I do for her? She is with one other special needs chick too so should I keep her seperate? I don't want the other chick getting it? She also hasn't walked much. She has crooked toes. But that may have been due to my low humidity during incubation. Thanks in advance. Edited to add: I am using Pine shavings by the way. So the bedding is not the problem.