First off, free-range eggs can be chicken eggs or duck eggs or some other eggs on sale. Let’s take chicken eggs as an example ...

Today, global egg production has reached 73 million tonnes, while poultry meat production stands at 100 million tonnes ...

Requirements include access to litter, protection from predators and be able to move in a barn in a manner that promotes bird welfare. Cage-free chicken farming tends to incur additional expenses ...