Comparison of December 2008 genomic and traditional evaluations
for bulls with an AI status of active or foreign
546 Holstein bulls
| Trait |
PTA |
Reliability (%) |
| Average |
Difference1 |
| Genomic |
Traditional |
Average |
Standard deviation |
Genomic average |
Traditional average |
Difference1 |
| Net merit ($) |
300 |
309 |
−9 |
55 |
88 |
84 |
+4 |
| Milk (pounds) |
948 |
972 |
−24 |
183 |
93 |
91 |
+2 |
| Fat (pounds) |
35.6 |
36.4 |
−0.7 |
6.7 |
93 |
91 |
+2 |
| Protein (pounds) |
27.7 |
28.2 |
−0.5 |
4.9 |
93 |
91 |
+2 |
| Productive life (months) |
1.6 |
1.7 |
−0.1 |
0.9 |
80 |
71 |
+9 |
| Somatic cell score |
2.93 |
2.93 |
0.00 |
0.07 |
88 |
82 |
+6 |
| Daughter pregnancy rate (%) |
−0.3 |
−0.3 |
0.0 |
0.6 |
79 |
70 |
+9 |
| Final score |
1.83 |
1.86 |
−0.03 |
0.22 |
90 |
87 |
+3 |
| Sire calving ease |
7.9 |
7.9 |
0.0 |
0.6 |
89 |
84 |
+5 |
| Daughter calving ease |
7.2 |
7.2 |
0.0 |
0.7 |
79 |
68 |
+11 |
1Genomic minus traditional.
126 Jersey bulls
| Trait |
PTA |
Reliability (%) |
| Average |
Difference1 |
| Genomic |
Traditional |
Average |
Standard deviation |
Genomic average |
Traditional average |
Difference1 |
| Net merit ($) |
278 |
286 |
−8 |
40 |
83 |
78 |
+5 |
| Milk (pounds) |
780 |
821 |
−41 |
116 |
89 |
86 |
+3 |
| Fat (pounds) |
41.6 |
43.1 |
−1.5 |
4.9 |
89 |
86 |
+3 |
| Protein (pounds) |
28.2 |
29.3 |
−1.1 |
3.3 |
89 |
86 |
+3 |
| Productive life (months) |
1.7 |
1.7 |
0.0 |
0.7 |
71 |
63 |
+8 |
| Somatic cell score |
2.97 |
2.97 |
0.00 |
0.04 |
81 |
75 |
+6 |
| Daughter pregnancy rate (%) |
−0.4 |
−0.5 |
+0.1 |
0.3 |
70 |
61 |
+9 |
| Final score |
1.21 |
1.23 |
−0.02 |
0.19 |
79 |
73 |
+6 |
1Genomic minus traditional.
Last Modified:
01/12/2017
