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Comparison of January 2010 genomic and traditional evaluations
for bulls with an AI status of active or foreign
53 Brown Swiss active bulls
| Trait |
PTA |
Reliability (%) |
Genomic average |
Traditional average |
Difference1 |
Standard deviation |
Genomic average |
Traditional average |
Difference1 |
| Net merit ($) |
162 |
175 |
-14 |
41 |
77 |
76 |
+2 |
| Milk (pounds) |
277 |
323 |
-46 |
124 |
87 |
86 |
+1 |
| Fat (pounds) |
11.6 |
13.2 |
-1.5 |
5.6 |
87 |
86 |
+1 |
| Protein (pounds) |
10.6 |
12.1 |
-1.5 |
4.3 |
87 |
86 |
+1 |
| Productive life (months) |
1.5 |
1.6 |
-0.1 |
0.6 |
70 |
68 |
+2 |
| Somatic cell score |
2.91 |
2.91 |
+0.00 |
0.03 |
80 |
78 |
+2 |
| Daughter pregnancy rate (%) |
0.3 |
0.3 |
+0.0 |
0.4 |
63 |
60 |
+3 |
| Final score |
0.24 |
0.23 |
+0.00 |
0.09 |
80 |
78 |
+1 |
| Sire calving ease |
4.9 |
4.9 |
+0.0 |
0.3 |
77 |
75 |
+2 |
| Daughter calving ease |
4.9 |
4.8 |
+0.1 |
0.3 |
66 |
64 |
+3 |
1Genomic minus traditional.
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