Toxicity testing of oil dispersant on Penaeus monodon

Nipavan Bussarawit

Toxicity testing of oil dispersant on Penaeus monodon

1994

Nipavan Bussarawit

Toxic effects of the oil dispersants Corexit 9257 and BP 1100-X were studied in Thailand. Static acute bioassay with standard reference toxicant (DSS), was carried out on tiger prawn (Penaeus monodon) at post larval stage (28-30 days old). Oxygen level (3 ppm), pH, and temperature were maintained as constant as possible throughout the tests. Probit analysis was applied to determine the 24, 48 and 96 hrs LC 50 at 95 percent confidence limit. Corexit 9527 was more toxic, and led to delayed moulting as compared to BP 1100-X.

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