Table 3.
Estimates of inbreeding depression for meat quality traits. Estimates expressed as change in adjusted phenotype per 1 % increase, using a inbreeding coefficient derived from a genomic relationship matrix (FGRM), and a inbreeding coefficient derived from runs of homozygosity (FROH)
| FGRM | FROH | |||||
|---|---|---|---|---|---|---|
| Trait | Meana | SD | Estimate | SE | Estimate | SE |
| LM | −0.249 | 3.90 | 4.42 | 5.11 | 8.98 | 6.33 |
| LF | −0.446 | 7.19 | 10.39 | 9.41 | 9.02 | 11.68 |
| PH | −0.073 | 0.66 | 2.00** | 0.86 | 0.91 | 1.07 |
| CLO | −0.357 | 5.30 | 11.66* | 6.93 | −5.14 | 8.61 |
| DRE | −0.336 | 5.63 | 10.78 | 7.37 | 9.72 | 9.14 |
| REA | −0.541 | 8.71 | 16.88 | 11.39 | −1.37 | 14.15 |
| BFT | −0.053 | 2.08 | −3.82 | 2.71 | −7.79** | 3.36 |
| TCW | −1.467 | 30.36 | 6.42 | 39.76 | 26.34 | 49.30 |
*P < 0.1; **P < 0.05; aadjusted phenotype; SD standard deviation, SE standard error, LM Lightness of Meat, LF Lightness of Fat, PH pH, CLO Cooking Loss, DRE Dressing, REA Rib Eye Area, TCW Total Carcass Weight, BFT Back Fat Thickness