How long are fertile eggs good?

[JennsPeeps]

We had a RIR go broody and picked up 8 banty eggs for her. Now she seems uninterested. We think the eggs are a few days old. How long will they be viable?

 

[Ridgerunner]

This site addresses your question in detail. It does better than I could and saves a lot of typing.

Texas A&M Incubation site
http://gallus.tamu.edu/Extension publications/b6092.pdf

 

[Kennyog]

Quote:
About 14 days at the most.