Eggs with dark spots in the yolk

[Feath3rDust3r]

One of my chickens is laying eggs with a pale yolk and has dark spots in it. Any idea what this is.

 

[aart]

Mottled yolk.
Have had a few that laid those regularly.
Not sure what caused it...wasn't anything listed here:
https://www.backyardchickens.com/articles/common-egg-quality-problems.65923/

 

[Ridgerunner]

From the Egg Quality Handbook. The EQH is more for commercial operations than us backyard flock keepers, that's why you see some strange things in it. I thought this quote was interesting.

Incidence​

Some degree of mottling occurs in more than 50% of all eggs. The severity of mottling increases as eggs become stale. Discoloured yolks are rare.​

Your egg is totally safe to eat. If it were fertile and you incubated it, it should hatch. Nothing to worry about.

https://www.thepoultrysite.com/publ...ndbook/32/mottled-yolks-and-discoloured-yolks