But whether chicken, crab, human, or blue whale, science continues to support that the egg—or at least some impressive co-production of it—predates us all.
Michigan lawmakers modified the Animal Industry Act in 2019, requiring shell eggs from chickens, ducks and other fowl, sold in the state to be from cage-free housing systems, starting Dec.
Eggs are nutritional powerhouses. They contain protein and support eye health. Egg yolks carry vital micronutrients. A hen's earlobe color predicts egg color. Eggshells can be used as fertilizer.