Means within a row lacking a common superscript differ (P ≤ 0.05).
1 Pooled standard error of means. Standard errors used for the protected t-test might
differ because of heterogeneous variances.
2 Area of the Longissimus muscle (LM) at the 12th and 13th ribs.
3 Percentage of the kidney, pelvic and heart fat of the carcass.
4 Marbling assessed at LM surface between the 12th and 13th ribs by comparison with
official USDA marbling photographs (National Cattlemen's Beef Association, Centennial,
CO, USA). Marbling score units: 200 = Traces00; 300 = Slight00; 400 = Small00;
500 = Modest00; 600 = Moderate00; 700 = Slightly Abundant00; and800 = Moderately
abundant00.
5 Calculated as g of total fatty acids g per 100 g of raw Longissimus lumborum muscle
tissue.