Pellet Durability Index (PDI) Calculator

Assess pellet quality per Kansas State University Feed Production standard. Industry target: PDI ≥ 95% for commercial feed.

PDI Industry Scale Reference

< 80% Poor — fines explosion

80-90% Fair — refeed

90-95% Good — acceptable

95-100% Excellent — commercial

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Ready for PDI Calculation

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Pellet Durability Index

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Diagnosis & Recommendation

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Standard reference: Kansas State University Feed Production. Evaluating Pellet Quality (MF3228). PDI is calculated as the percentage of pellet weight remaining after a standardized tumble-and-sift test. Commercial feed mills typically target PDI ≥ 95%.