Oh no!! Awful. Thank goodness you had gotten to him in time.I'd never had that happen before, she was perfect broody but I think she just freaked out when those eggs actually started doing something. The other egg didn't make it so Opie was her only hatchling that year. I know it was a miracle I got there when I did she had pecked him hard on his lil head to make open places. But they healed up quick and he is healthy, you just never know what goes on in the mind of a broody.
I guess broody means hormones and the ladies go nuts or something.