Mike Callicrate, owner of Ranch Foods Directs, in the front of the carcass cooler in the processing facility in Colorado Springs, Colo., Feb. 27, 2018. Many industrial feedlots see routine use of antibiotics as essential, even for healthy cattle, but it’s an increasingly debated practice. “We’re all worried about athletes using performance enhancing drugs during the baseball game, but we’re not worried about the hot dogs that were produced using the same chemical compounds,” he said. (Ryan David Brown/The New York Times)