A 1200 steer, ½ inch fat, average muscling, yields a 750 pound carcass. The 750 pound carcass yields approximately: 490 pounds boneless trimmed beef 150 pounds fat trim 110 pounds bone A specific example of how the 490 pounds of boneless, trimmed beef could break out includes: 185 pounds lean trim, or ground beef 85 pounds round roasts and steaks 90 pounds chuck roasts and steaks 80 pounds rib and loin steaks 50 pounds other cuts (brisket, flank, short ribs, skirt steak) CONCLUSION: 1 person eats on average 14.5 kg of beef a year 1 cow = 222.26kg 15 people can eat 1 steers meat Reference: http://igrow.org/livestock/beef/how-much-meat-can-you-expect-from-a-fed-steer/