Old egss for incubation?

[Josip]

I was collecting eggs 7 days is it late to incubate it tomorrow on day 8..
I have 40 egss, 30 of them are 5 day or less and 10 are 7 days old.
Is it to late to put tomorrow those 10 eggs in incubator on day 8th.?

 

[doublecrossranch]

I’ve heard that they aren’t as viable after 6. How are they candling?

 

[HENS-and-MARES]

I heard 2 weeks.

 

[Josip]

My old eggs are good, but ones I get viA post are bad, one of 10 is good.