I wasn't worried about the first 2 eggs with blood spots, my ladies had just started laying so I just blew it off as new layers, that was back in Sept. However recently I have been getting at least 2 of these a week ( I only have 7 ladies). I found a post from back in '10 that was about the same issue and answers varied from the cause being a fertilized egg to vitamins A & K deficiency, I been around "birds" just enough to know a rooster doesn't cause blood or meat spots (plus I most definitely have all hens). Am I doing or not something right? They have not been through any recent scares that I am aware of, I feed layer crumbles and scratch grains, and keep grit and oyster shell available to them, and I keep fresh water. If it is an A & K deficiency what can I give them to replenish these vitamins?