The Humane Society of the United States is applauding Burger King after they pledged that all of the restaurant's eggs and pork will come from cage-free chickens and pigs by 2017.
Conventionally raised eggs come from hens confined in "battery cages," which give them roughly the same space as a sheet of standard notebook paper. Most pork comes from sows confined during their four-month pregnancies in narrow crates.
The hens would still be housed in a barn, but they have room to roam and perches and nesting boxes. Sows are also held indoors, but they would not be confined in the cramped crates while they are pregnant.
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