Can I record in bulk via month-end on UDB? Eg: collected 1 tonne in day 1, 1 tonne in day 10 of the same month. Can I record in bulk via month-end on UDB?

Bulk function is not allowed in transaction, but if you mean to register in bulk loads collected on different dates, they could be aggregated in the same trade based on the same material, emissions and country of origin.