Throwing eggs out help

[Mariachick2020]

Hello, when should I for sure throw eggs out of my incubator?

 

[humblehillsfarm]

Try this post: https://www.backyardchickens.com/ar...-eggs-just-21-days-from-egg-to-chicken.47696/

"Fertility and embryo development is usually apparent by day 5–6, when infertile, developing eggs, some veins and a small embryo can be seen inside the egg. If there is no sign of development by day 10, you may discard any "clears". However, sometimes embryos are hard to spot, so some hatchers wait until around day 14 or so, before discarding any undeveloped eggs. When candling, also check for blood rings (showing as a dark ring around the inside of the egg, along the shell, usually roughly in the middle of the egg, and other signs of problems. "

 

[Mariachick2020]

Try this post: https://www.backyardchickens.com/ar...-eggs-just-21-days-from-egg-to-chicken.47696/

"Fertility and embryo development is usually apparent by day 5–6, when infertile, developing eggs, some veins and a small embryo can be seen inside the egg. If there is no sign of development by day 10, you may discard any "clears". However, sometimes embryos are hard to spot, so some hatchers wait until around day 14 or so, before discarding any undeveloped eggs. When candling, also check for blood rings (showing as a dark ring around the inside of the egg, along the shell, usually roughly in the middle of the egg, and other signs of problems. "

Thanks I think I see a blood ring but I’m not sure

 

[humblehillsfarm]

Thanks I think I see a blood ring but I’m not sure

Do you have pictures? Dark eggs are much harder to see, but even in dark eggs, an unformed egg has a pretty obvious looking yolk in it.