broken duck egg

[oixie]

I have a baby duck egg it has a really big hole in it how can i save it i can see the baby duck and it should be about time for them to hatch

 

[nuthatched]

Is it bleeding?

 

[Willawong Hill]

Have you got it in a nice warm humid incubator? this article is mostly for chickens but i should imagine most of it is transferable to ducks:
https://www.backyardchickens.com/articles/step-by-step-guide-to-assisted-hatching.64660/