Humans began eating beef , Bos taurus , about 500 years ago . • Grain-finished : Nearly 75 percent of U.S. beef comes from cattle fattened on grain ( usually corn ) for three to six months in feedlots . We today consume nearly 63 pounds of beef per person each day . Most of us tend to stick with the cuts we know .
Humans began eating beef , Bos taurus , about 500 years ago . We today consume nearly 63 pounds of beef per person each day . Most of us tend to stick with the cuts we know .