This first opening of a hole in the shell is called peeping and happens on day 21. Most chicks take anywhere from 1 hour up to 24 hours to complete the task. The humidity in the incubator must be very high (85%) to allow moisture between the chick and the inner shell. Leave the peeped chicks in the incubator until they are fluffy and moving around, this also encourages the un-peeped chicks to finish emerging.
It can take up to twenty one days for a chick to hatch out of the egg. In incubation, it may take up to 24 hours for a chick to hatch out of the egg.
It can take up to 24 hours for the chick to complete its escape. It is best not to help the chick break out of the shell as you can damage the chick trying to help. There is a supply of blood in the shell membrane that will weaken the chick if broken early. Increase the humidity in the incubator, lack of moisture is the main reason for die off in the shell during peeping. try for 75% humidity.
21-25 days
25-35 days
Chickens hatch after being sat on by the mother hen for 21 days. They are kept warm underneath her and there they form into chickens. The mother hen turns them from side to side, twice a day, for 18 days. Then, in the 3 days that follow, the chickens will hatch. Eggs can only turn into chickens if they are fertilized (the hen being mated by a rooster). Alternately, the eggs can also go into an incubator as long as a person does the same things as the mother hen - turning them.
25-35 days
This is often a worry to novice breeders. Once the chick starts to peep or break open the shell it can take as long as 24 hours to complete the job. Chicks to not usually start and complete the task without a rest since it is such a hard job. It is important to keep the humidity levels high in the incubator to keep the chick lubricated during this task of it will dry to the membrane and be unable to move.
Yes, as long as the sack inside the shell isnt pierced the egg can hatch no problem.
1 million years hahahhahhaha
There is no concreate way to answer this, as it takes every chick a different amount of time to hatch. Chicks can hatch anywere from seconds apart, to days apart.
Not a very good idea. Some will tell you it is fine but the novice often does a lot of unnecessary damage to an otherwise healthy chick. Everyone who incubates eggs feels like they need to render aid to the emerging chick but in most cases they are just over anxious about the time the chick is taking to get out of the shell. Inside the shell are two membranes, one, the inner membrane carries a blood supply to the unhatched baby and only the chick can safely halt the blood flow and in its own time. The outer membrane does not carry blood and it can be dry and force the need for help but very seldom. The chick often stops working on emerging from the shell and rests but this is normal. As long as the humidity is right and the chick is otherwise healthy let it work.
After the initial hole is made it can take up to 24 hours for the chick to complete the task. Some stronger chicks will complete the "pipping" in a mater of a few hours. Do not try to help the chicks by pulling away shell, this can lead to damage .