When to candle eggs?

[CountryFried]

I was gifted 20 guinea eggs Friday, they range from 2-14 days old. What day should I candle to see if they are actually fertile/viable?

 

[R2elk]

I was gifted 20 guinea eggs Friday, they range from 2-14 days old. What day should I candle to see if they are actually fertile/viable?

Guinea egg shells are thick and can be difficult to see into unless you have a very strong and focused light to candle with. I don't candle my guinea eggs until day 25 when I move them from the incubator to the hatcher.

You should be able to see something by day 10 or day 14 of incubation.

 

[CountryFried]

Thanks @R2elk! Definitely can't see anything today, even the air cell. I'll look again after the 10 or 14!

 

[R2elk]

Thanks @R2elk! Definitely can't see anything today, even the air cell. I'll look again after the 10 or 14!

If you are having a hard time seeing the air cell in certain eggs, it may mean that those eggs are fresh.

 

[CountryFried]

If you are having a hard time seeing the air cell in certain eggs, it may mean that those eggs are fresh.

I can't see it in any of them. Will try to get pics

 

[CountryFried]

Pics of a couple eggs. I see a dark orange? spot on one of them (yolk?)

 

[R2elk]

Pics of a couple eggs. I see a dark orange? spot on one of them (yolk?)

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Yes the dark orange spot is the yolk.

If you have access to some of the foam pipe insulation, you can cut it to fit over the end of your flashlight. Place the big end of the egg against the foam which will direct all of the light into the egg.

Adapting a flashlight as a candler.