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Almost all chickens raised for meat within the U.S. manufacturing unit farming system are Cornish Cross birds. White Rock and Cornish chickens had been deliberately crossed to create a breed that grows unnaturally giant and quick, maximizing the trade’s revenue. Resulting from their weight, some birds can’t stand or stroll—and those that survive to achieve “market weight” are slaughtered at round 6-7 weeks of age. Not solely do they undergo bodily on this system, however these clever, socially complicated birds who’re conscious of their environments are denied the possibility to interact of their most pure behaviors, leading to psychological struggling as properly.
“Whereas the small pattern measurement requires us to stay cautious in our interpretations, these outcomes recommend that to expertise optimistic welfare, chickens may have to be given the power to study and to manage points of their setting—on this case, entry to rewards,” wrote Sasha Prasad-Shreckengast, lead creator of the examine and Farm Sanctuary’s Senior Supervisor of Analysis & Sanctuary Animal Welfare.
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