Table 2.
Genetic (above the diagonal) and phenotypic correlations (below the diagonal) between mass movement, semen volume, and sperm concentration using a random regression model with five covariance functions.
| Model | Trait | Mass Movement | Semen Volume | Sperm Concentration |
|---|---|---|---|---|
| LG2 | Mass movement | - | 0.522 | 0.589 |
| Semen volume | 0.565 | - | 0.629 | |
| Sperm concentration | 0.644 | 0.688 | - | |
| SP4 | Mass movement | - | 0.501 | 0.515 |
| Semen volume | 0.515 | - | 0.546 | |
| Sperm concentration | 0.530 | 0.577 | - | |
| SP5 | Mass movement | - | 0.538 | 0.614 |
| Semen volume | 0.577 | - | 0.672 | |
| Sperm concentration | 0.635 | 0.732 | - | |
| SP6 | Mass movement | - | 0.545 | 0.638 |
| Semen volume | 0.580 | - | 0.699 | |
| Sperm concentration | 0.677 | 0.745 | - | |
| SP8 | Mass movement | - | 0.552 | 0.644 |
| Semen volume | 0.590 | - | 0.729 | |
| Sperm concentration | 0.689 | 0.755 | - |
LG2 = second-order Legendre polynomial function; SP4, SP5, SP6, and SP8 = linear spline functions at 4, 5, 6, and 8 knots.