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Comparison of December 2010 genomic and traditional evaluations
40 Brown Swiss heifers
| Trait |
PTA |
Reliability (%) |
Genomic DE |
Genomic average |
Traditional average |
Difference1 |
Standard deviation |
Genomic average |
Traditional average |
Difference1 |
| Net merit ($) |
185 |
185 |
0 |
126 |
47 |
30 |
+17 |
8.9 |
| Milk (pounds) |
287 |
346 |
-59 |
446 |
53 |
34 |
+18 |
6.2 |
| Fat (pounds) |
12.9 |
14.6 |
-1.7 |
15.7 |
53 |
34 |
+18 |
6.2 |
| Protein (pounds) |
11.7 |
12.9 |
-1.2 |
15.0 |
53 |
34 |
+18 |
6.2 |
| Productive life (months) |
2.1 |
2.1 |
+0.0 |
1.6 |
44 |
27 |
+17 |
20.4 |
| Somatic cell score |
2.95 |
2.94 |
+0.01 |
0.09 |
48 |
30 |
+19 |
16.6 |
| Daughter pregnancy rate (%) |
0.5 |
0.2 |
+0.2 |
0.9 |
40 |
25 |
+15 |
32.6 |
| Final score |
0.26 |
0.28 |
-0.02 |
0.24 |
46 |
33 |
+13 |
4.4 |
| Sire calving ease |
5.0 |
5.4 |
-0.4 |
0.7 |
39 |
25 |
+14 |
13.9 |
| Daughter calving ease |
5.1 |
5.0 |
+0.0 |
0.7 |
35 |
21 |
+13 |
15.8 |
1Genomic minus traditional.
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