Looking for opinions on this duck egg.

[Jcsmiles]

Hi. I have a single duck egg that was under our broody duck.
I'm thinking it is a dud but I hate to discard if it has hope.
I only have a general idea how long it has been. Day 24-29
I cannot see movement
Thanks in advance

 

[Debbie292d]

Hi. I have a single duck egg that was under our broody duck.
I'm thinking it is a dud but I hate to discard if it has hope.
I only have a general idea how long it has been. Day 24-29
I cannot see movement
Thanks in advance

If it's that many days along, saying 24, it would be filling that egg more, but I'd give it a few more days anyway since you're not sure.