I have done it before. And it was sad. here is a paragraph from Virginia techs' web site on poultry incubataion I wish I would have seen before I took advice from people that are just talking.____
Hatch Time
Do not help the chicks from the shell at hatching time. If it doesn't hatch, there is...
Its prob not going to hatch. Just leave it alone and after day 24 throw it out or crack it open and see how far it was. Here is a paragraph from Virginia Techs' web site on incubating poultry it is good advice as I should have taken before i have helped chicks before as others want you to do...