APTOPIX Protein Problem Better Beef

As the sun rises, a cow's warm breath is lit up in the cold morning air at Colorado State University's research pens in Fort Collins, Colo., Thursday, March 9, 2023. Feedlots can be ugly, with manure runoff and animals standing on packed dirt with little shade. But they have advantages: Steady feed enables cattle to put on weight more quickly, and the less time a cow lives, the less greenhouse gases produced. (AP Photo/David Goldman)

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