Misconceptions about Chickens and Eggs
Fertilized and unfertilized eggs are easily distinguishable.
Only a trained eye can tell fertilized and unfertilized eggs apart, unless they’re stored improperly and an embryo begins growing. And blood spots in an egg do not mean it is fertilized. They’re simply the result of a vein rupturing as an egg is released from the ovary. Store-bought eggs are almost always infertile eggs. Commercial breeders don’t keep roosters with hens.
But if you keep a rooster with your hens, chances are very good the eggs you eat are fertilized. If that bothers you, don’t keep a rooster with your hens — it’s that simple. Fertilized eggs don’t taste any differently than unfertilized ones. And that tiny bit of chicken sperm does not give the egg any nutritional boost, either.