Below is a table that shows first service conception in comparison to Days in Milk at First Breeding for 9 Herds. The 9 herds selected were farms that bred 5% or more of there total services before 50 Days in Milk. After looking through just the conception results, does breeding before 50 DIM make sense? More to come….
| Herd | First Service Conception from Breeding 1-49 DIM |
First Service Conception from Breeding 50-69 DIM |
Difference (<49 – 50 to 69 DIM) |
| A | 20% | 39% | -18% |
| B | 33% | 34% | 0% |
| C | 36% | 43% | -7% |
| D | 29% | 17% | 12% |
| E | 10% | 26% | -17% |
| F | 18% | 43% | -25% |
| G | 37% | 13% | 24% |
| H | 33% | 28% | 5% |
| I | 35% | 41% | -6% |
| Average | 28% | 31% | -4% |
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