TABLE 4.
Comparison of estimated GBC for 7,969 Brangus with genotype data, obtained by the admixture model, linear regression, and path analysis techniques, respectively, using only Angus and Brahman in the reference breed set.
| Model | Panel | GGP 30K/GGP 40K |
GGP 50K |
||||||
| Angus |
Brahman |
Angus |
Brahman |
||||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | ||
| Admixutre | 1K | 69.9% | 7.3% | 30.1% | 7.3% | 70.3% | 7.1% | 29.7% | 7.1% |
| 5K | 69.8% | 6.8% | 30.2% | 6.8% | 70.1% | 6.8% | 29.9% | 6.8% | |
| 10K | 68.8% | 7.1% | 31.2% | 7.1% | 69.1% | 7.0% | 30.9% | 7.0% | |
| Linear regression | 1K | 70.0% | 7.6% | 30.0% | 7.6% | 70.4% | 7.6% | 29.6% | 7.6% |
| 5K | 69.5% | 7.4% | 30.5% | 7.4% | 69.8% | 7.5% | 30.2% | 7.5% | |
| 10K | 68.6% | 7.5% | 31.4% | 7.5% | 69.0% | 7.6% | 31.0% | 7.6% | |
| Path analysis (D-GBC) | 1K | 71.8% | 11.9% | 28.2% | 11.9% | 71.5% | 12.3% | 28.5% | 12.3% |
| 5K | 69.6% | 11.8% | 30.4% | 11.8% | 70.2% | 12.4% | 29.8% | 12.4% | |
| 10K | 69.5% | 11.7% | 30.5% | 11.7% | 70.2% | 12.3% | 29.8% | 12.3% | |
| Path analysis (C-GBC) | 1K | 70.9% | 11.7% | 29.1% | 11.7% | 70.6% | 12.1% | 29.4% | 12.1% |
| 5K | 68.7% | 11.5% | 31.3% | 11.5% | 69.3% | 12.0% | 30.7% | 12.0% | |
| 10K | 68.2% | 11.3% | 31.8% | 11.3% | 68.8% | 11.8% | 31.2% | 11.8% | |