Changing a supplier and changing a batch are not identical events. A new supplier may introduce a different producer, raw material or documentation system. A familiar product name can also cover a new lot requiring review. Purchasing should communicate the change clearly rather than make formulation decisions on behalf of specialists.
Describe exactly what is changing
Use a change record covering existing and proposed products, supplier or producer, origin, specification version, batch status and planned switching date. A new sales contact should not be described in the same vague terms as a new manufacturer.
Even for an established product, confirm changes in packaging, labels, storage, transit or the combination of lots supplied. Record both unchanged points and unanswered questions.
Compare evidence before deciding on price
Check product identity and agreed parameters, then align units, methods and reporting basis. List missing evidence for quality and formulation staff to assess. Similar crude protein figures do not establish that two ingredients can be substituted at the same inclusion rate.
FAO's fishmeal discussion addresses the influence of raw material and processing on quality. Translate that background into verification questions, not an unsupported declaration of nutritional equivalence. Fishmeal product background
Let the responsible staff define evaluation
Qualified personnel should decide whether sample analysis, processing observations or formulation trials are needed. This article gives no universal substitution rate, trial duration or performance guarantee for every animal.
Before evaluation, define the question, batch, observations and release authority. Clear objectives are more useful than collecting extensive data without a decision purpose.
Coordinate before the switch
- Formulation: intended application, differences to evaluate and approver.
- Quality: documentation, necessary tests and acceptance arrangements.
- Purchasing: availability, lead time, commercial terms and change notification.
- Warehouse: old and new lot identity, location and issue sequence.
- Production: switching point, records and exception feedback.
Keep a traceable history
Record when the old material ends, which new lot begins and which finished batches use it. Investigate exceptions under the site's procedure; timing alone does not prove causation. Haili can discuss actual supply and product information to support the customer's own change assessment.
