What does a bloody egg tell you?
One of my hen's eggs was covered in blood today. This can sometimes happen when pullets just start to lay, and the egg tears some tissue. If that is the case, it is nothing to worry about. If you have mature hens, then it could be that you have too much protein in your feed. This would also not be much of an issue. The third reason could be deadly. This could also be an indicator of a disease that causes intestinal bleeding called coccidiosis. Coccidiosis typically does not affect mature hens, but it can happen. If you suspect coccidiosis, check the droppings for blood as well. If you also find some blood in the droppings, chances are the hen has been infected. It is not easy to spot the blood in the droppings, so look carefully. At this point I am going to monitor the hens more closely to determine what to do next.