Enzyme & Feed Additive Checklist

Additives are bought on declared activity and proven stability, not on price per kilogram. Compare offers on cost per unit of activity delivered into the finished feed.

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Specification & claims

Active substance, activity units and analytical method declared
Carrier, coating and particle size specified
Thermostability data at the mill's real conditioning temperature provided
Recommended and maximum inclusion rates documented
Compatibility with other additives in the premix confirmed

Regulatory status

Additive authorised for the target species in the destination market
Registration number and label requirements verified
Withdrawal periods and prohibited-substance checks completed
Import documentation requirements confirmed before ordering

Verification

Post-pelleting activity recovery tested at the mill on first production runs
Laboratory able to run the producer's declared assay method identified
Batch certificate of analysis required for every delivery
Sampling from finished feed, not only from the additive bag

Commercial & storage

Cost compared per unit of activity delivered, not per kilogram of product
Shelf life and storage temperature limits documented
Minimum order quantity aligned with real consumption to avoid expiry losses
Dosing equipment accuracy at low inclusion rates verified

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