Which major factor should NOT be considered when evaluating market steers?

When evaluating market steers, the calorie index is not considered a major factor. Instead, the focus typically lies on characteristics that directly impact the quality, yield, and overall marketability of the animal. The other factors—portion control, balance, and performance—are all critical components in assessing the value of steers.

Portion control relates to how well the different body parts of the steer develop in relation to each other, which is important for ensuring that the meat quality and yield are maximized. Balance refers to the overall symmetry and proportion of the animal, which also plays a significant role in market appeal. Performance entails evaluating the growth rate and feed efficiency of the steer, both of which are essential for determining its profitability.

In contrast, while calorie intake might affect growth and development, the calorie index itself is not a standard evaluative measure within market steer assessments. It does not directly correlate with quality traits that influence consumer preferences or market pricing.