One of our chickens has recently been laying eggs that have a very mottled yolk and very discolored albumin. She eats, drinks and runs around with her flock mates as usual but yesterday I did notice her having diarrhea. I showed the egg to my son and dil, they raise chickens and both said they’d eat it as you’re going to cook it anyway. They get Purina layer feed, separate oyster shell, and water. I started giving probiotics in the water just today and will only supply enough water for 24 hours so that it is refreshed daily. Our other three chickens eggs look perfect. Any ideas? They were vaccinated at the hatchery but nothing since. Thanks for any help