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Comparison of April 2012 genomic and traditional evaluations
407 Brown Swiss cows
| Trait |
PTA |
Reliability (%) |
Genomic average |
Traditional average |
Difference1 |
Standard deviation |
Genomic average |
Traditional average |
Difference1 |
| Net merit ($) |
146 |
160 |
-14 |
84 |
60 |
48 |
+12 |
| Milk (pounds) |
285 |
338 |
-53 |
208 |
67 |
59 |
+8 |
| Fat (pounds) |
11.6 |
14.6 |
-3.0 |
7.8 |
67 |
59 |
+8 |
| Protein (pounds) |
10.6 |
12.2 |
-1.6 |
6.1 |
67 |
58 |
+8 |
| Productive life (months) |
1.6 |
1.6 |
+0.0 |
1.5 |
56 |
41 |
+15 |
| Somatic cell score |
2.94 |
2.94 |
+0.00 |
0.08 |
61 |
46 |
+15 |
| Daughter pregnancy rate (%) |
0.1 |
0.1 |
+0.0 |
0.7 |
52 |
37 |
+15 |
| Final score |
0.33 |
0.35 |
-0.03 |
0.18 |
65 |
56 |
+9 |
| Sire calving ease |
5.3 |
5.5 |
-0.2 |
0.6 |
40 |
27 |
+13 |
| Daughter calving ease |
5.0 |
4.8 |
+0.1 |
0.5 |
37 |
26 |
+11 |
1Genomic minus traditional.
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