It is suggested that you wait until 12-24 hours after day 21 to start assisted hatching. Then it is advisable only to make a small hole at the air sac end of the egg in order to get oxygen to the chick. This may give the chick just the start he needs to finish the job himself over the next few...
This article is very helpful with cases of assisted hatching. https://www.backyardchickens.com/articles/step-by-step-guide-to-assisted-hatching.64660/
Your stage is about halfway down this article.
Hi, congrats on the broody, baby chicks are so much fun.
You should be able to separate the hen just fine. I've done this with several of my broody hens. The easiest time of day to do this is at night because they will be well settled on the nest and unlikely to leave or be upset.
What does...
Here's a link to backyardchickens' articles about raising chicks: https://www.backyardchickens.com/articles/how-to-raise-chickens.47660/
fresheggsdaily.com has lots of helpful information about raising chicks. :)
Here's some great information on raising chicks: Basic Chick Care
A DIY brooder...
Here's another good article about treating vent gleet in chickens: https://www.fresheggsdaily.com/2013/09/vent-gleet-symptoms-causes-and-natural.html
Hope your hen gets better!
Here are some articles on letting a broody hen hatch and aiding a chick during hatching. Hopefully, you can find some helpful information to help your chick.
Step by Step Guide to ASSISTED Hatching
Guide to Assisted Hatching for All Poultry
Guide to Letting Broody Hens Hatch and Raise Chicks
They should pick up an appetite quickly. Young chicks cycle most of the day through sleeping and eating. The two older ones with more smooth feathers might not need the extra heat of the low brooder. If their entire space is not warm like under the brooder heater they may be too cold to eat and...
The best thing you can do to help is not rush the chick. I also had one do this too. In my case the chick had pipped internally into the air sac. After waiting an extra 12 hours I "helped" the chick by creating a very small hole in the shell at the air sac just to allow the chick to get oxygen...
They might be Cochins with the feathered legs. Silkies have a unique feather pattern growth as chicks that will distinguish them from smooth feathered breeds. Here's what my silkie chicks looked like :)
A beautiful golden ducking Phoenix x Easter Egger chick and a fancy splash silkie :D
One of my hens hatched these chicks on a cold week in the fall! Every one has grown up beautiful and healthy.