I've been feeding Dumor layer or Purina, which ever is in stock. About a week ago I started mixing pellets and crumble to try to get them on pellet and that was going fine. Then last Sunday I thought I made a good score and was able to get 7 bags of Big Sky all natural organic layer mash for a very reasonable price so I started mixing that with their feed as I thought it would be a plus for the winter with no free range bugs, grasses and stuff . I sell about 6-8 doz eggs a week, and the girls had slowed down a bit for the winter so I haven't been eating too many eggs my self to keep my customers stocked, but within a few days after starting on the Big Sky feed they have almost doubled production. Yesterday I broke an egg while washing it, so I was going to feed it to the barn cats, but when I opened it the yolk was a yucky green color, and when I broke the yolk open it was almost black inside. This morning I was making pancakes for my self and both the eggs I put in the pancake mix were the same. What would do this, and are they safe to eat? I went ahead and ate the pancakes and I'm not dead yet, What do I tell my customers? Is this from the new organic feed? HELP, should I toss the feed out, or would it be safe for my cows to eat? The chickens seem to really like it, but I don't want yucky looking yolks.