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Comparison of December 2011 genomic and traditional evaluations
17256 Holstein proven bulls
| Trait |
PTA |
Reliability (%) |
Genomic average |
Traditional average |
Difference1 |
Standard deviation |
Genomic average |
Traditional average |
Difference1 |
| Net merit ($) |
3 |
4 |
-1 |
70 |
84 |
76 |
+8 |
| Milk (pounds) |
37 |
38 |
-1 |
190 |
91 |
87 |
+4 |
| Fat (pounds) |
4.5 |
4.7 |
-0.2 |
6.9 |
91 |
87 |
+4 |
| Protein (pounds) |
4.0 |
3.8 |
+0.2 |
5.3 |
91 |
87 |
+4 |
| Productive life (months) |
-0.3 |
-0.3 |
+0.0 |
0.9 |
79 |
68 |
+12 |
| Somatic cell score |
2.98 |
2.98 |
+0.00 |
0.07 |
86 |
79 |
+7 |
| Daughter pregnancy rate (%) |
-0.4 |
-0.4 |
+0.0 |
0.6 |
77 |
64 |
+13 |
| Final score |
0.12 |
0.12 |
+0.00 |
0.32 |
84 |
74 |
+10 |
| Sire calving ease |
7.9 |
8.0 |
-0.1 |
0.8 |
79 |
68 |
+11 |
| Daughter calving ease |
8.6 |
8.5 |
+0.1 |
0.9 |
73 |
59 |
+14 |
1Genomic minus traditional.
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