Westover, Maryland - March 20, 2017: Dr. Bruce Stewart-Brown, the chief veterinarian at Perdue, holds a slow growth chicken, left, and one of Perdue's conventional chickens, right, inside one of the chicken houses at the Westover Test Farm in Westover, Md., Monday March 20, 2017. The slow growth chicken is smaller, and more active than the conventional chicken.
The test farm hatches, houses, and offers a place to study the differences between Perdue's conventional chickens and breeds of slow growth chickens.
CREDIT: Matt Roth for The New York Times
Assignment ID: 30204189A