Use a heating pad. keep it on low, and turn the egg(s) once every morning and once every night. Do not help them hatch, they need to do it by themselves.
An incubator.
With a Momma Duck! Or you can use a broody hen, if you have chickens.
Put it in the fridge. If you are hatching it, then use an incubator.
You need duck eggs and an incubator. See discussion.
Put the duck egg under another broody hen or bring it inside and place it in an incubator.
by incubator or with a broody hen, hatch them the same way you would hatch Any other duck egg
Duck eggs should be kept at a temperature of around 99.5°F (37.5°C). This can be achieved by using an incubator or a broody duck for natural hatching. It's important to maintain a consistent temperature throughout the incubation period for successful hatching.
Put it in a box or enclosed cage with a very powerful lamp.
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.
Just use an electric blanket beibg careful with the heat selection of course.,
About 10-13 eggs in a clutch.
I have pekins and they are on day 27- nointernal pip yet. Have yours pipped? Anyways, I woul hang on to them for awhile, that's what I am doing. If you get any goodf answers, perhaps you could post a few on my Q. Good luck!