Biosecurity is the systemic prevention of pathogen introduction, spread and impact in an aquaculture facility — the single highest-ROI CAPEX after core life-support. A well-designed biosecurity program costs 3–7% of total CAPEX and prevents losses that routinely reach 100% of a stocked cohort.
Shrimp: WSSV, EMS/AHPND, IHHNV, EHP. Salmon: ISA, PD, SRS, sea lice. Tilapia: TiLV, streptococcus. Marine fin-fish: viral nervous necrosis, amoebic gill disease. Design your biosecurity around the specific threat profile of your species and geography.
Zoning; incoming-water treatment (UV / ozone / filtration); animal-input QA (SPF certification, PCR screening, quarantine); staff/vehicle/equipment decontamination; outbreak response plan with pre-authorised destruction and disinfection protocols.
Every water source is a pathogen vector. UV, ozone, chlorine + dechlorination, filtration and settlement each have specific pathogen-kill profiles. Design the water treatment train around the highest-risk pathogen for your species.
Every incoming batch — broodstock, PL, fingerlings, live feed — passes quarantine with PCR screening, a stress-test cohort and documented incubation before entering the main system.
Every commercial facility needs a written outbreak response plan: isolation, sampling, laboratory confirmation, regulatory notification, staged destruction, disinfection and re-stocking protocols. Rehearse it annually.
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Short answer
Biosecurity Disease Prevention affects both project cost and project risk, so it belongs in the specification stage rather than the purchasing stage. This page sets out what commercial buyers assess, what typically drives cost and lead time, and which questions to put to suppliers before signing. You can turn any of it into a confidential RFQ in a few minutes.