Quote:I googled the red spot and came up with this. From what I know it does not indicate a fertalized egg. ------Also called meat spots. Occasionally found on an egg yolk. Contrary to popular opinion, these tiny spots do not indicate a fertilized egg. Rather, they are caused by the rupture of a blood vessel on the yolk surface during formation of the egg or by a similar accident in the wall of the oviduct. Less than 1% of all eggs produced have blood spots. ------
I have to agree with the meat spots answer. I have 4 hens, no roosters and have had blood spots on the yolk. Used them just like the others.
It seems to be found more often in backyard flocks because the hens move around more, their eggs aren't candled with the spotted ones sorted out, and because the spots fade over time so our fresher eggs have more noticeable spots. Because many backyard flocks include roosters, many folks assume the blood spots are an indication of fertile eggs.
