|
|
|
| |
|
Comparison of December 2010 genomic and traditional evaluations
for bulls with an AI status of active or foreign
580 Holstein active bulls
| Trait |
PTA |
Reliability (%) |
Genomic average |
Traditional average |
Difference1 |
Standard deviation |
Genomic average |
Traditional average |
Difference1 |
| Net merit ($) |
261 |
263 |
-3 |
61 |
87 |
81 |
+6 |
| Milk (pounds) |
601 |
612 |
-11 |
150 |
93 |
91 |
+2 |
| Fat (pounds) |
27.8 |
28.3 |
-0.4 |
5.8 |
93 |
91 |
+2 |
| Protein (pounds) |
20.2 |
20.4 |
-0.3 |
4.3 |
93 |
91 |
+2 |
| Productive life (months) |
1.5 |
1.6 |
+0.0 |
0.9 |
81 |
71 |
+10 |
| Somatic cell score |
2.87 |
2.87 |
+0.00 |
0.06 |
88 |
83 |
+5 |
| Daughter pregnancy rate (%) |
-0.2 |
-0.2 |
+0.0 |
0.5 |
80 |
70 |
+10 |
| Final score |
1.33 |
1.31 |
+0.02 |
0.26 |
90 |
86 |
+4 |
| Sire calving ease |
7.5 |
7.5 |
-0.1 |
0.6 |
90 |
85 |
+5 |
| Daughter calving ease |
7.5 |
7.7 |
-0.1 |
0.7 |
80 |
68 |
+12 |
1Genomic minus traditional.
|
|