Table 2. Mean, minimum, and maximum of each trait in each year (cycle) of evaluation.
| WQS C1 | WQS C2 | WQS C3 | WQS C4 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Trait | Units | Mean | Min | Max | S/σPa | Mean | Min | Max | S/σP | Mean | Min | Max | S/σP | Mean | Min | Max | S/σP |
| Silage yield | Mg ha−1 | 7.2 | 5.7 | 8.5 | 0.74 | 8.9 | 8.5 | 10.5 | 0.24 | 9.7 | 5.3 | 12 | 1.17 | 8.7 | 6.1 | 10.5 | 0.81 |
| Dry matter | % | 32.1 | 26.6 | 42.0 | 0.07 | 39.5 | 33.5 | 49.2 | −0.34 | 34.1 | 29.3 | 39.8 | 0.44 | 36.9 | 30.1 | 43.7 | 0.31 |
| NDF | % | 53.3 | 48.2 | 58.5 | −0.23 | 50.5 | 46.7 | 55.4 | −1.11 | 46.9 | 42.9 | 51.1 | −0.35 | 44.8 | 42.0 | 49.3 | 0.23 |
| ADF | % | —b | — | — | — | 26.2 | 23.6 | 29.7 | −1.04 | 24.7 | 22.1 | 27.7 | −0.42 | 23.0 | 21.4 | 25.8 | 0.24 |
| IVTD | % | 70.9 | 65.9 | 75.0 | 0.26 | 82.4 | 80.0 | 86.2 | 1.07 | 78.6 | 76.1 | 81.5 | 0.26 | 81.1 | 78.2 | 83.7 | −0.33 |
| CP | % | 7.2 | 6.3 | 8.0 | −0.18 | 8.0 | 7.2 | 8.8 | 0.15 | 7.0 | 6.2 | 8.1 | −0.24 | 6.9 | 6.2 | 7.5 | 0.51 |
| Starch | % | 21.9 | 12.7 | 30.6 | −0.01 | 27.9 | 20.8 | 33.7 | 0.61 | 30.5 | 20 | 34.9 | 0.37 | 31.4 | 25.2 | 35.7 | 0.04 |
a
A standardized selection differential was calculated for each cycle by dividing the selection differential by the phenotypic SD.
b
ADF was not measured in WQS C1.