The information required by the model is very clear in terms of how "dates" should be interpreted.
This definition may be different from those used elsewhere in the industry.
Age at start is usually calculated from the date entered in Mean Lambing, Calving, and Fawning
The age entered is the age at their next monthly birthday i.e. 0–30 days old = 1 month, 30–60 days old = 2 months etc. i.e.
| Index | Age Range (months) | Age |
| 0 | 0 (Birth Weight) | |
| 1 | >0-1 | 1 |
| 2 | >1-2 | 2 |
| 3 | >2-3 | 3 |
| 4 | >3-4 | 4 |
| 5 | >4-5 | 5 |
Age = (months) that is entered into OverseerFM.
To make this simple, the table below can be used:
Select the month the animals are born from the row across the top
Select the current month from the columns below – also using the animals R1, R2, or R3 year
