There are dozens of carton labels that manufacturers can use. Some are meaningful, but others are just ways to confuse consumers into thinking they’re buying eggs from wholesome and happy chickens. :
cage-free, organic, free-range, free-roaming, natural, pastured, omega-3 enriched, certified humane, United Egg Producers certified
Link to glossary of different egg marketing terms and what they mean … and more importantly don’t.
Link to egg brands affected by the August 2010 recall
(Just goes to show the egg industry is not all it’s cracked up to be).