You can backdate mob moves to keep grazing/resting counters accurate - but there are some rules. Backdating does not affect historic livestock reports.
If backdating is allowed, the grazing/resting counters in the paddock information will adjust automatically.
If backdating is not allowed, you will see one of the below messages:
If you need to record several backdated moves for the same mob, start with the oldest move first.
Please note: backdating updates Days Grazed and Days Rested counters; it does not update historic livestock reports.
Mob Movements, all you need to know
Understanding Days Grazed & Days Rested