Table 7.
Genetic correlations (SE in parentheses) among the performance, efficiency, ultrasound, and carcass traits
| Trait1 | UFD | UMD | IMF | CW | CC | CF | DD | DP |
|---|---|---|---|---|---|---|---|---|
| MEI | 0.40 (0.08) | −0.22 (0.11) | 0.35 (0.15) | 0.41 (0.08) | −0.15 (0.11) | 0.44 (0.09) | 0.76 (0.05) | −0.39 (0.09) |
| ADG | 0.03 (0.10) | 0.09 (0.13) | 0.15 (0.19) | 0.30 (0.11) | 0.11 (0.12) | 0.24 (0.12) | 0.44 (0.10) | −0.13 (0.12) |
| MBW | 0.02 (0.08) | 0.18 (0.10) | 0.14 (0.16) | 0.91 (0.02) | 0.25 (0.09) | 0.19 (0.10) | 0.82 (0.03) | 0.07 (0.09) |
| MFW | 0.13 (0.12) | 0.30 (0.13) | 0.09 (0.17) | 0.91 (0.02) | 0.23 (0.11) | 0.18 (0.11) | 0.85 (0.03) | 0.03 (0.10) |
| ECR | 0.31 (0.10) | −0.23 (0.14) | 0.03 (0.20) | −0.08 (0.13) | −0.16 (0.13) | −0.08 (0.14) | −0.09 (0.13) | −0.02 (0.13) |
| REI | 0.54 (0.07) | −0.44 (0.11) | 0.31 (0.16) | −0.39 (0.10) | −0.48 (0.09) | 0.31 (0.10) | 0.08 (0.11) | −0.50 (0.08) |
| REIU | 0.21 (0.10) | −0.21 (0.13) | −0.01 (0.18) | −0.20 (0.12) | −0.31 (0.12) | 0.08 (0.12) | 0.02 (0.12) | −0.23 (0.11) |
| REIFW | 0.57 (0.11) | −0.38 (0.11) | 0.38 (0.18) | −0.38 (0.12) | −0.51 (0.10) | 0.29 (0.12) | 0.14 (0.12) | −0.55 (0.09) |
| REICW | 0.63 (0.10) | −0.36 (0.15) | 0.46 (0.16) | −0.20 (0.12) | −0.56 (0.10) | 0.37 (0.11) | 0.40 (0.11) | −0.66 (0.08) |
| REICWF | 0.33 (0.13) | −0.32 (0.16) | 0.23 (0.19) | −0.15 (0.13) | −0.48 (0.11) | −0.02 (0.13) | 0.30 (0.12) | −0.51 (0.10) |
| RG | −0.24 (0.10) | 0.27 (0.13) | −0.03 (0.21) | 0.15 (0.13) | 0.29 (0.13) | 0.05 (0.14) | 0.04 (0.13) | 0.14 (0.12) |
| RGU | −0.06 (0.11) | 0.05 (0.15) | 0.15 (0.22) | 0.24 (0.14) | 0.24 (0.14) | 0.15 (0.15) | 0.22 (0.14) | 0.01 (0.14) |
| RGFW | −0.12 (0.13) | 0.07 (0.15) | −0.09 (0.18) | −0.15 (0.12) | 0.09 (0.11) | −0.04 (0.12) | −0.09 (0.11) | −0.01 (0.11) |
| RGCW | −0.07 (0.12) | 0.04 (0.15) | −0.04 (0.18) | −0.14 (0.12) | 0.04 (0.12) | 0.01 (0.12) | 0.00 (0.11) | −0.10 (0.11) |
| RGCWF | −0.02 (0.13) | 0.04 (0.15) | −0.01 (0.19) | −0.14 (0.12) | 0.03 (0.12) | 0.05 (0.12) | 0.02 (0.11) | −0.12 (0.11) |
1MEI = metabolizable energy intake; MBW = mid-test metabolic live-weight; MFW = metabolic final live-weight preslaughter; ECR = energy conversion ratio; REI = residual energy intake; REIU = REI adjusted for ultrasound fat depth; REIFW = residual energy intake using metabolic final live-weight preslaughter; REICW = residual energy intake using carcass weight; REICWF = REICW adjusted for carcass fat; RG = residual gain; RGU = RG adjusted for ultrasound fat depth; RGFW= residual gain using metabolic final live-weight preslaughter; RGCW = residual gain using carcass weight; RGCWF = RGCW adjusted for carcass fat score; UFD = ultrasound fat depth; UMD = ultrasound muscle depth; IMF = intramuscular fat percentage; CW = carcass weight; CC = carcass conformation score; CF = carcass fat score; DD = dressing difference; DP = dressing percentage.