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Comparison of December 2011 genomic and traditional evaluations
for bulls with an AI status of active or foreign
641 Holstein active bulls
| Trait |
PTA |
Reliability (%) |
Genomic average |
Traditional average |
Difference1 |
Standard deviation |
Genomic average |
Traditional average |
Difference1 |
| Net merit ($) |
297 |
292 |
4 |
63 |
86 |
79 |
+7 |
| Milk (pounds) |
708 |
720 |
-12 |
176 |
92 |
89 |
+3 |
| Fat (pounds) |
32.4 |
32.7 |
-0.4 |
6.4 |
92 |
89 |
+3 |
| Protein (pounds) |
23.1 |
23.1 |
+0.0 |
4.7 |
92 |
89 |
+3 |
| Productive life (months) |
1.6 |
1.6 |
+0.0 |
0.9 |
81 |
69 |
+11 |
| Somatic cell score |
2.86 |
2.86 |
+0.00 |
0.07 |
87 |
81 |
+6 |
| Daughter pregnancy rate (%) |
-0.2 |
-0.2 |
+0.0 |
0.6 |
79 |
67 |
+11 |
| Final score |
1.58 |
1.54 |
+0.04 |
0.28 |
88 |
81 |
+7 |
| Sire calving ease |
7.5 |
7.6 |
+0.0 |
0.6 |
88 |
84 |
+5 |
| Daughter calving ease |
7.2 |
7.3 |
-0.1 |
0.7 |
78 |
68 |
+10 |
1Genomic minus traditional.
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