Table 1.
Effect of daughter pregnancy rate class (high or low) on predicted transmitting ability for selected traits of bulls used for genotyping
| |
|
Least-squares means |
Standard error |
||
|---|---|---|---|---|---|
| Trait | P-value | High | Low | High | Low |
| Daughter pregnancy rate |
<.0001 |
2.86 |
−3.49 |
0.04 |
0.04 |
| Heifer conception rate |
<.0001 |
1.20 |
−1.00 |
0.08 |
0.09 |
| Cow conception rate |
<.0001 |
3.20 |
−4.16 |
0.11 |
0.11 |
| Productive life |
<.0001 |
3.51 |
−2.96 |
0.13 |
0.13 |
| Net merit |
<.0001 |
232.97 |
−156.40 |
13.32 |
13.97 |
| Milk yield |
<.0001 |
−332.21 |
394.10 |
42.81 |
44.90 |
| Fat yield |
<.0001 |
−2.70 |
16.04 |
1.60 |
1.68 |
| Percent fat |
0.0008 |
0.04 |
0.01 |
0.01 |
0.01 |
| Protein yield |
<.0001 |
−3.90 |
9.90 |
1.18 |
1.23 |
| Percent protein |
<.0001 |
0.02 |
−0.01 |
0.00 |
0.00 |
| Somatic cell score | <.0001 | 2.83 | 3.07 | 0.01 | 0.01 |