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Comparison of April 2012 genomic and traditional evaluations
799 Holstein young available bulls
| Trait |
PTA |
Reliability (%) |
Genomic average |
Traditional average |
Difference1 |
Standard deviation |
Genomic average |
Traditional average |
Difference1 |
| Net merit ($) |
512 |
418 |
94 |
120 |
73 |
36 |
+37 |
| Milk (pounds) |
950 |
931 |
19 |
380 |
76 |
39 |
+37 |
| Fat (pounds) |
48.8 |
45.6 |
+3.2 |
15.6 |
76 |
39 |
+37 |
| Protein (pounds) |
34.8 |
32.1 |
+2.7 |
10.0 |
76 |
39 |
+37 |
| Productive life (months) |
3.9 |
2.9 |
+1.1 |
1.5 |
72 |
32 |
+41 |
| Somatic cell score |
2.78 |
2.85 |
-0.07 |
0.12 |
76 |
35 |
+41 |
| Daughter pregnancy rate (%) |
0.2 |
-0.2 |
+0.3 |
0.8 |
71 |
31 |
+40 |
| Final score |
2.33 |
2.00 |
+0.33 |
0.49 |
75 |
37 |
+38 |
| Sire calving ease |
7.5 |
7.8 |
-0.3 |
0.8 |
69 |
54 |
+15 |
| Daughter calving ease |
6.5 |
6.8 |
-0.3 |
0.8 |
57 |
38 |
+19 |
1Genomic minus traditional.
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