1. Clinical Overview & Background
Preserving shell hardness, color, and cold chain freshness during harvest directly dictates the final price per kg paid by seafood exporters and traders.
Grading for Maximum Value outlines pre-harvest sampling checks, ice slurry ratios, and buyer negotiation best practices.
4. Step-by-Step Action Protocol
Count is measured in pieces per kg (e.g., 40-count means 40 shrimp weigh exactly 1 kg).
Do a sample count 2 days before harvest to negotiate the right price block.
If size variance in the pond is high, consider a 'partial harvest'—netting out the larger shrimp and leaving smaller ones to grow.
5. Water Parameters & Dosage Benchmarks
| Parameter / Item | Recommended Value | Operational Importance |
|---|---|---|
| Ice to Shrimp Ratio | 1 : 1 (1 kg ice per 1 kg shrimp) | Rapid chill killing at 0°C |
| Max Allowable Soft Shell % | < 3% | Avoids buyer price deduction |
7. Frequently Asked Questions
Q: What should I do if my shrimp moult right before harvest?
Postpone harvest by 48–72 hours and apply Calcium Carbonate and Magnesium Chloride at 50 kg/acre to accelerate shell hardening.
Related Pathology & Management Guides
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