Animal-rights activists cheer Perdue's changes to chicken killing process

Now, America's third-largest chicken producer is introducing changes that animal rights groups are championing as a major step forward in animal welfare.

Perdue, which processes nearly 700 million chickens every year at nearly 3,000 farms, announced this week that it will begin killing chickens using carbon dioxide or argon gas, so they can avoid being hung upside down. With an estimated revenue of $6 billion, according to IBISWorld, they are the first major company to announce that it will use this procedure, which is called controlled-atmosphere stunning.




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