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A bacterial leachate effect is not a shrimp safety verdict
The evidence library is allowed to change in public. This page preserves the revised boundary, why it moved and which guides were affected.
What changed
The chemical-safety and behaviour guides now include a 2021 N. palmata plastic-leachate experiment while separating bacterial luminescence inhibition from a consistent shrimp locomotor effect, particle exposure and household-product safety.
Why it changed
Duplicate 24-hour leachates were pooled, particle-filtered and concentrated before testing. Eight one-shrimp vessels per concentration repeated movement observations across 14 days, but individual variation dominated and the two locomotor endpoints showed no consistent concentration-response. The article did not identify the causal compounds, test N. davidi or measure growth, reproduction, histology or chronic aquarium exposure.
Sources reviewed for this change
Affected practical guides
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