My first chick hatched in my DIY incubator came in to the world just as pretty as u plz. Only about 6 hours from pipping to hatch. But one of his feet the claws are turned under and he walks on it like that. They will straighten out if i pick him up and run my finger under his foot and straighten them but they go back to curled when i stop. What would cause this ? Was it anything to do with incubation ? Other than this he seems to be very healthy. Any thoughts welcome