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SEAFORD, DE - JUNE 24, 2016: Bruce Stewart-Brown, Perdue Farms' senior vice president of food safety, quality and live operations, stands outside the chicken house at Ash-O-Lay Acres farm, which has been a Perdue chicken producer for nearly 40 years. Perdue Farms is changing some designs at the chicken houses its contractors use to raise Perdue chickens, adding windows to allow in sunlight and testing different so-called 'enrichments' within the houses that offer more options for activities. CREDIT: T.J. Kirkpatrick for The New York Times