What is the primary factor determined by yield grades in beef?

• A. Fat content
• B. Bone structure
• C. Lean meat yield
• D. Overall size of the animal

Answer: (C)

The primary factor determined by yield grades in beef is lean meat yield. Yield grades are designed to estimate the amount of usable meat that can be derived from a carcass after it has been processed. A higher yield grade indicates a higher percentage of lean meat relative to fat and bone, which is critical for commercial beef production.

When evaluating yield grades, assessors look at various measurements, such as the amount of fat cover over the carcass, the percentage of boneless, closely trimmed retail cuts, and the overall body composition of the animal. These factors ultimately help determine how much lean meat can be harvested, which is of utmost importance for both producers and consumers who prioritize meat quality and quantity.

In contrast, while fat content plays a role in determining meat quality, it is not the primary focus of yield grades, which emphasize lean yield. Bone structure and the overall size of the animal may influence marketability and pricing, but they do not directly inform yield grades in the context of meat production efficiency.