Table 1 Descriptive statistics and heritability estimates for all traits using single-trait models
Trait | Definition | N | Mean | Median | SD | Min | Max | Heritability |
|---|---|---|---|---|---|---|---|---|
Crossbred | ||||||||
 cIMF (%) | Intramuscular fat (Ethereal extract) | 1227 | 2.71 | 2.61 | 0.93 | 0.44 | 7.23 | 0.35 (0.14, 0.58) |
 cSSF (kg) | Slice-shear force (Warner–Bratzler) | 1227 | 15.93 | 15.30 | 3.65 | 9.06 | 39.93 | 0.19 (0.07, 0.33) |
 cM.L | Luminosity (Minolta camera) | 1241 | 45.3 | 45.17 | 3.10 | 35.98 | 56.58 | 0.11 (0.01, 0.23) |
 cM.a | Redness (Minolta camera) | 1241 | 3.79 | 3.72 | 1.10 | 0.68 | 7.89 | 0.14 (0.03, 0.25) |
 cM.b | Yellowness (Minolta camera) | 1241 | − 0.15 | − 0.22 | 0.90 | − 2.45 | 3.43 | 0.04 (0.00, 0.12) |
 cPH | pH | 1171 | 5.64 | 5.62 | 0.18 | 5.03 | 6.91 | 0.06 (0.00, 0.17) |
 cSCOL | Color (subjective) | 1237 | 2.72 | 2.50 | 0.47 | 1.50 | 4.00 | 0.22 (0.08, 0.36) |
 cSFIR | Firmness (subjective) | 1237 | 3.04 | 3.00 | 0.99 | 1.00 | 5.00 | 0.04 (0.00, 0.12) |
 cSMAR | Marbling (subjective) | 1237 | 3.10 | 3.00 | 0.83 | 1.00 | 6.00 | 0.11 (0.00, 0.24) |
 cCLD (mm) | Loin depth (Fat-O-Meater) | 4894 | 66.78 | 67.00 | 6.91 | 36.00 | 89.00 | 0.05 (0.01, 0.10) |
 cCBF (mm) | Backfat depth (Fat-O-Meater) | 4893 | 22.62 | 22.00 | 4.88 | 10.00 | 51.00 | 0.28 (0.13, 0.44) |
 cCDG (kg) | Carcass average daily gain | 5117 | 0.52 | 0.52 | 0.06 | 0.30 | 0.89 | 0.05 (0.01, 0.09) |
 cLLD (mm) | Loin depth (Ultrasound) | 5294 | 60.28 | 60.20 | 5.14 | 39.12 | 80.52 | 0.13 (0.05, 0.22) |
 cLBF (mm) | Backfat depth (ultrasound) | 5294 | 23.51 | 22.86 | 6.38 | 8.38 | 54.61 | 0.23 (0.11, 0.37) |
 cLDG (kg) | Live daily gain | 5289 | 0.69 | 0.69 | 0.08 | 0.42 | 0.95 | 0.05 (0.00, 0.11) |
 cLOI (kg) | Loin weight | 1255 | 23.09 | 22.97 | 2.17 | 16.93 | 31.01 | 0.06 (0.00, 0.17) |
 cBEL (kg) | Belly weight | 1251 | 40.31 | 40.20 | 6.12 | 23.60 | 58.9 | 0.04 (0.00, 0.11) |
 cHAM (kg) | Ham weight | 1255 | 55.53 | 55.59 | 5.17 | 39.90 | 70.70 | 0.06 (0.00, 0.15) |
Purebred | ||||||||
 pIMF (%) | Intramuscular fat (ultrasound) | 2701 | 2.49 | 2.50 | 0.83 | 0.10 | 7.60 | 0.11 (0.04, 0.18) |
 pLBF (mm) | Live backfat depth (ultrasound) | 3036 | 16.23 | 15.75 | 3.95 | 5.59 | 34.29 | 0.32 (0.19, 0.48) |
 pLLD (cm) | Live loin depth (ultrasound) | 1681 | 6.00 | 5.99 | 0.55 | 2.59 | 7.85 | 0.18 (0.03, 0.35) |
 pLLA (cm2) | Live loin area (ultrasound) | 3036 | 50.69 | 50.77 | 6.26 | 26.45 | 71.94 | 0.15 (0.06, 0.26) |
 pLDG1 (kg) | Live daily gain, nursery | 3106 | 0.45 | 0.46 | 0.09 | 0.10 | 0.77 | 0.30 (0.15, 0.45) |
 pLDG2 (kg) | Live daily gain, finisher | 2967 | 0.89 | 0.90 | 0.12 | 0.41 | 1.29 | 0.23 (0.12, 0.36) |