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Age of Dam
From BIF Guidelines Wiki
Traits affected by a maternal contribution have the potential to have an effect that results from the age of the dam. BIF has identified the following categories as a standard classification for fixed age-of-dam effects in prediction models. The categories are also used in determining adjustment factors for some traits.
Age-of-Dam Categories
Age in days for age-of-dam categories (years of age).
| Age-Of-Dam Classification | |||
|---|---|---|---|
| AOD | Low | High | # of Days |
| 2 | 639 | 1003 | 365 |
| 3 | 1004 | 1369 | 366 |
| 4 | 1370 | 1734 | 365 |
| 5 through 9 | 1735 | 3560 | 1826 |
| 10 | 3561 | 3925 | 365 |
| 11 | 3926 | 4291 | 366 |
| 12 | 4292 | 4656 | 365 |
| 13+ | 4657 |
