Table 1. Comparison of first lactation cows by sire’s DPR.
Sire’s DPR |
Conception Rate |
Services Per Conception |
< 0 |
33% |
3.1 |
0.0 to 1.0 |
38% |
2.7 |
1.1 to 2.0 |
43% |
2.3 |
Table 2. Comparison of first lactation cows by sire’s LNM.
Sire’s LNM |
Days Open |
+$1 to +$250 |
150 |
+$251 to +$400 |
133 |
> +$400 |
97 |
Table 3. Comparison of first lactation cows by sire’s LNM.
Sire’s LNM |
Log SCC |
+$1 to +$250 |
2.8 |
+$251 to +$400 |
2.3 |
> +$400 |
1.7 |