which egg came from a healthy chicken ?

A chicken diet of wheat and barley gives caged eggs its lighter color. It’s the least nutritious of the three types.
Most eggs that are found in supermarkets come from factory farms, which tend to only feed their hens grain, heavily limiting their diet – and ours in turn. While not exactly harmful per se, these lighter yellow yolks are much less effective at delivering the nutrients you’re expecting to ingest.
Free range eggs – Type 3

Free range eggs are more nutritious than caged eggs. It comes from chickens with a diet of mostly grains and some insects. These are less nutritious than pastured eggs.

Free range eggs vs factory farm products
The varied diets contain much more vitamin A, which is excellent for bone and eye strength; vitamin E, which promotes circulation and prevents oxidation; and omega-3 fatty acids, which can lower cholesterol and blood pressure. Better yet, free-range eggs also contain a lot less saturated fat and cholesterol than factory farm eggs, making them better in every way — except perhaps price. A worthy expense, wouldn’t you say?
Share this with your friends to let them know about the benefits of darker, straight-from-the-farm eggs!