{"hq_id":"hq-p-spe-000135","name":"Aquaculture Chemical Use (Antibiotics, Parasiticides in Farmed Salmon and Shrimp)","category":{"primary":"specialized","secondary":"agriculture","tags":["aquaculture","farmed salmon","shrimp","antibiotics","parasiticide","malachite green","residue","antimicrobial resistance"]},"product_tier":"SPE","overall_risk_level":"low","description":"Farmed fish and shrimp production uses antibiotics (oxytetracycline, florfenicol, sulfadimethoxine), parasiticides (emamectin benzoate for sea lice, formalin baths), antifungals (historically malachite green — now banned but still detected in imports), and growth-promoting hormones (17α-methyltestosterone in tilapia). US: FDA approves specific aquaculture drugs with withdrawal periods. Import monitoring: FDA tests imported seafood for unapproved drugs — Vietnam, China, India, Thailand top violators. Malachite green: banned globally for food fish but still used illegally due to effectiveness and low cost — FDA import alerts for malachite green detection.","synthesis":{"derived_risk_level":"severe","synthesis_confidence":0.757,"synthesis_method":"compound_composition","context_used":"human_child","context_source":"product_users","exposure_modifier":0.85,"vulnerability_escalated":true,"escalation_reason":"Child exposure group","compounds_resolved":1,"compounds_total":1,"synthesis_date":"2026-05-09","synthesis_version":"1.2.0","methodology_note":"exposure_modifier and adjusted_magnitude are computed from ALETHEIA-calibrated heuristics (route × duration × frequency multipliers, clamped to [0.5, 1.4]). Multipliers are directionally informed by EPA Exposure Factors Handbook (2011) and CalEPA OEHHA but are not regulatory consensus. See /api/methodology for full disclosure."},"hazard_summary":{"sensitive_populations":"heavy farmed seafood consumers, pregnant women (hormone residue concern)","overall_risk":"low","primary_concerns":["Antibiotic resistance from aquaculture antibiotic use","Imported farmed seafood: unapproved drug residue (FDA import alerts)","Malachite green: banned but still detected in imports (mutagenic)","Antimicrobial resistance implications for human medicine"],"exposure_routes":"Oral (dietary — eating farmed seafood with drug residue)"},"exposure":{"routes":["oral"],"contact_types":["oral_direct"],"users":["adult","child"],"duration":"minutes","frequency":"weekly","scenarios":["Eating farmed salmon with antibiotic/parasiticide residue","Imported shrimp with unapproved drug residue (FDA import alerts)","Farmed tilapia with 17α-methyltestosterone residue","Malachite green in imported farmed fish (illegal but detected)"],"notes":"FDA-approved aquaculture drugs: oxytetracycline (Terramycin), florfenicol (Aquaflor), sulfadimethoxine/ormetoprim (Romet). Withdrawal periods: 21-42 days before harvest. FDA Import Alert 16-131: automatic detention of seafood from specific countries/producers for unapproved drugs. Malachite green: IARC not evaluated but mutagenic in Ames test, suspected carcinogen — FDA action level 1 ppb (LOD). Norwegian farmed salmon: lowest antibiotic use globally (<1 g/ton produced). Chilean, Vietnamese, Chinese aquaculture: higher antibiotic use. ASC (Aquaculture Stewardship Council): certifies responsible aquaculture practices including antibiotic stewardship."},"consumer_guidance":{"usage_warning":"Choose ASC-certified or domestic farmed seafood (lower drug residue risk). Norwegian farmed salmon has lowest antibiotic use globally. Check FDA Import Alerts for specific country/producer detentions. Wild-caught fish: no aquaculture drugs (but may have environmental contaminants — mercury, PCBs). Cooking does not destroy antibiotic/drug residue.","safer_alternatives":["ASC (Aquaculture Stewardship Council) certified seafood","Norwegian farmed salmon (lowest antibiotic use)","Domestic US farmed seafood (FDA-regulated withdrawal periods)","Wild-caught fish (no aquaculture drugs)"]},"regulatory":{"applicable_regulations":[{"jurisdiction":"USA","regulation":"FDA Aquaculture Drug Approval + Import Alert Program","citation":"21 CFR 556 (tolerances); FDA Import Alert 16-131","requirements":"FDA: specific aquaculture drugs approved with withdrawal periods. Import Alert 16-131: automatic detention for unapproved drugs. Malachite green: FDA action level 1 ppb. No aquaculture antibiotic use reporting requirement (unlike EU).","compliance_status":null,"effective_date":null,"enforcing_agency":"FDA CVM (Center for Veterinary Medicine)","penalties":"Import detention, product refusal","source_ref":null}],"certifications":[{"name":"ASC","issuer":"Aquaculture Stewardship Council","standard":"ASC Standards","scope":"Responsible aquaculture certification including antibiotic stewardship, environmental impact, social responsibility."}],"labeling":{"required_disclosures":[],"prop65_warning":{"required":null,"chemicals":[],"endpoint":null,"notes":null},"ghs_labeling":{"required":null,"signal_word":null,"pictograms":[],"hazard_statements":[],"notes":null},"hidden_ingredients":{"trade_secret_protected":null,"categories_hidden":[],"estimated_count":null,"known_concerns":null,"notes":null},"notes":null},"recalls":[],"regulatory_gap":null,"notes":null},"lifecycle":{"recyclable":false,"disposal_guidance":"N/A — food product.","hazardous_waste":false,"expected_lifespan":"varies"},"formulation":{"form":"varies","key_ingredients":[],"certifications":[]},"materials":{"common":[],"concerning":[],"preferred":[]},"compound_composition":[{"hq_id":"hq-c-org-000011","compound_name":null,"role":"contaminant","typical_concentration":null}],"identifiers":{"common_names":["aquaculture chemical use (antibiotics, parasiticides in farmed salmon and shrimp)"],"aliases":[],"manufacturer":null,"brands":[]},"brand_examples":[{"brand":"MOWI (Marine Harvest)","manufacturer":"MOWI ASA","market_position":"mass_market","notable":"World's largest salmon farmer"},{"brand":"Cermaq","manufacturer":"Mitsubishi","market_position":"mass_market","notable":"Global salmon farming company"},{"brand":"Thai Union","manufacturer":"Thai Union Group","market_position":"mass_market","notable":"Major aquaculture/seafood company"}],"brand_examples_disclaimer":"Representative branded products of this category. Concerning ingredients listed in materials.concerning[] apply to the category, not necessarily to every named brand. Specific formulations vary by SKU and may have changed since this record was written; consult the brand's current ingredient label before drawing brand-level conclusions.","sources":[{"type":"expert_curation","name":"ALETHEIA Safety Database","date":"2026-03-25"},{"type":"regulation","title":"FDA Aquaculture Drug Approval + Import Alert Program (21 CFR 556 (tolerances); FDA Import Alert 16-131)","jurisdiction":"USA","citation":"21 CFR 556 (tolerances); FDA Import Alert 16-131","id":"src_5686a9df"},{"id":"iarc_100f_form","type":"regulatory","title":"IARC Monographs Volume 100F: Formaldehyde","year":2012,"inherited_from_compound":"hq-c-org-000011"},{"id":"epa_form_iris","type":"regulatory","title":"US EPA IRIS Assessment: Formaldehyde (draft)","year":2010,"inherited_from_compound":"hq-c-org-000011"},{"type":"regulatory","title":"US Food and Drug Administration (FDA)","jurisdiction":"USA","id":"src_82d1cfcd","extraction":"description_reference"}],"meta":{"schema_version":"4.0.0","last_updated":"2026-03-25","timestamp":"2026-05-14T01:29:31.652Z"}}