Not to mention most are kept in batteries, small little cages all the time. Fed GMO's, antibiotics and growth hormones. They don't get fresh greens and "natural" food at all. Some now claim "free range" and charge a premium but there are different degrees of "free range" and there's still the issue of what goes IN the birds and out the eggs. Some will even feed marigolds to "yellow" up the yolk. And then lets not talk about freshness...