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Comparison of August 2011 genomic and traditional evaluations
12892 Holstein proven bulls
| Trait |
PTA |
Reliability (%) |
Genomic average |
Traditional average |
Difference1 |
Standard deviation |
Genomic average |
Traditional average |
Difference1 |
| Net merit ($) |
8 |
7 |
1 |
69 |
85 |
78 |
+7 |
| Milk (pounds) |
49 |
52 |
-3 |
186 |
91 |
88 |
+3 |
| Fat (pounds) |
4.6 |
4.7 |
-0.2 |
6.8 |
91 |
88 |
+3 |
| Protein (pounds) |
3.5 |
3.3 |
+0.2 |
5.1 |
91 |
88 |
+3 |
| Productive life (months) |
-0.3 |
-0.3 |
+0.0 |
0.9 |
79 |
69 |
+10 |
| Somatic cell score |
2.97 |
2.97 |
+0.00 |
0.07 |
86 |
79 |
+6 |
| Daughter pregnancy rate (%) |
-0.4 |
-0.4 |
+0.0 |
0.6 |
77 |
66 |
+11 |
| Final score |
0.20 |
0.19 |
+0.01 |
0.32 |
84 |
75 |
+9 |
| Sire calving ease |
8.0 |
8.0 |
-0.1 |
0.7 |
81 |
73 |
+8 |
| Daughter calving ease |
8.7 |
8.6 |
+0.1 |
0.8 |
75 |
64 |
+11 |
1Genomic minus traditional.
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