What to do? Egg yolk in poop

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Posted this in egglaying, but this might be a better spot to get answers. Help please. Pictures at link.

https://www.backyardchickens.com/threads/what-to-do-egg-yolk-on-ground.1483644/

 

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Walked outside just now to find this...egg yolk on my back porch. My chickens are just starting to lay, none of them are acting unusual. I'm now concerned about Peritonitis, any help would be greatly appreciated.