about 21 days
They most likely will not hatch at all.
It depends. Did stay out in the cold for too long? If it did it will hatch but maybe become sick or die in the egg
I am not sure where to get fertilized pigeon eggs, but why not look into getting chicken or duck eggs. You can usually get them from a local farmer for free as long as you promise to return the young after they hatch. You are getting the same experience for free, or next to free! And Yes, chicken and duck eggs can hatch in an incubator.
It takes about 21 days (3 weeks) for a chicken egg to hatch. 21 days exactly when they started incubating.
It tacks around about 21 days for a chicken to hatch
It takes three weeks or 21 days to hatch a fertilized chicken egg. Temperature and humidity must be maintained constantly. Two weeks is not long enough and incubation cannot be hurried.
With optimum conditions such as temperature and humidity a chicken egg takes 21 days to hatch. From when it was layed, about 20-28 days,depending on the breed. From the time when the egg first cracked, about one day. This is a very slow process.
i am a pheasent breeder i hatch pheasent out of an incubator i then sell them to food factories in Ireland Scotland and whales i hatch out 110,000 a year these birds take 16 days from they are put into the incubator to hatch.hope this helps.
If you think carefully about it, chicken comes first. An egg would not be hatched if, there was no warmth. A chicken sits on the egg before it can hatch. I dont reckon there was any incubator long time ago. Sun does not provide the extra warmth needed for an egg to hatch. haha tricked you. If you believe in God, then chickens came before the egg.
They should be left in the incubator until they are dry,fluffy and active. Do not rush to remove them as opening the incubator will effect the un-hatched and still hatching eggs. This usually takes up to 36 hours and the first hatch chicks will survive quite well without food or water since the humidity in the incubator keeps them hydrated. After 36 hours all unhatched eggs should be candled to verify viability, and the hatched chicks moved to a brooder box.
That would depend on how long your incubator was left unplugged. Residual heat in the incubator would keep the eggs warm for a few hours and the eggs would unlikely suffer any ill effects if the incubator was brought back up to temperature relatively quickly. If the eggs had cooled completely after day three then continuing the hatch would not likely be worth while and starting over with new eggs might be a good idea.
It will sit until the others all hatch and leave any that don't hatch.