Supplier Knowledge · Grading Equipment
Aquaculture Grading Equipment — Buyer's Guide
Grading turns a mixed population into value-tiered market products. Grading accuracy defines yield to premium price bands and biological performance in grow-out.
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Typical applications
- Bar-grader for fingerling sorting
- Roller and disc graders for market fish
- Vision graders for premium markets
- Shrimp size sorters
Project sizes
- Per unit: $20K–$300K
- Commercial line: $250K–$3M
Selection criteria
- Accuracy (% within target grade)
- Throughput (t/h)
- Welfare at grading (water use, oxygen)
- Integration with SCADA and traceability
Questions buyers should ask
- Guaranteed accuracy at my target grade width?
- Water and oxygen consumption during grading?
Common procurement mistakes
- Grading at wrong life-stage temperature
- Skipping fasting protocol before grading
RFQ recommendations
- Tender against value uplift per tonne, not equipment CAPEX
Related tools & guides
Calculators
Buyer's Guides
Project templates
Regulations & standards
Related knowledge articles
Frequently asked questions
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