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dc.contributor.authorCruz-Lacierda, Erlinda R.
dc.contributor.editorShariff, M.
dc.contributor.editorSubasinghe, R. P.
dc.contributor.editorArthur, J. R.
dc.date.accessioned2011-06-22T09:35:24Z
dc.date.available2011-06-22T09:35:24Z
dc.date.issued1992
dc.identifier.citationCruz-Lacierda, E. R. (1992). Toxicity of rotenone to milkfish, Chanos chanos, and tilapia, Oreochromis mossambicus. In M. Shariff, R. P. Subasinghe & J. R. Arthur (Eds.), Diseases in Asian Aquaculture I. Proceedings of the First Symposium on Diseases in Asian Aquaculture, 26-29 November 1990, Bali, Indonesia, 1992 (pp. 419-423). Manila, Philippines: Asian Fisheries Society.en
dc.identifier.urihttp://hdl.handle.net/10862/351
dc.description.abstractMilkfish (Chanos canos) and tilapia (Oreochromis mossambicus) were exposed to varying concentrations of rotenone (95-98% active ingredient) to determine the median lethal concentration (LC50). The 1, 6, 12, 24, and 96 h LC50 were 64, 36, 36, 30 and 25µg/1 for milkfish and 172, 123, 91, 86 and 80 µg/1 for tilapia, respectivly, at 28±1oC. In another experiment, O. mossambicus were exposed to a lethal concemtration of rotenone (100µg/1) that had been allowed to age for selected periods of time to determine whether significant degradation occurs within 24h. Mortality after 3 to 24 h exposure in 0 (no aging), 3 and 6 h aged rotenone solution were not significantly different from the control test even after 24 h of exposure. These results inducate that the treated water was no longer toxic to the fish after 12 h and acute toxicity of rotenone ceased towards the end of 12 h at 27 ± 1oCen
dc.language.isoenen
dc.publisherAsian Fisheries Society, Fish Health Sectionen
dc.relation.ispartofIn: Shariff, M., Subasinghe, R.P, Arthur, J.R. (eds.). Diseases in Asian Aquaculture I. Proceedings of the First Symposium on Diseases in Asian Aquaculture, 26-29 November 1990, Bali, Indonesia. Manila, Philippines: Asian Fisheries Society, Fish Health Section. pp. 419-423en
dc.subjectMilkfishen
dc.subjectTilapiaen
dc.subjectChanos chanos
dc.subjectOreochromis mossambicus
dc.subject.lccVF SP 143
dc.titleToxicity of rotenone to milkfish, Chanos chanos, and tilapia, Oreochromis mossambicusen
dc.typeConference paperen
dc.citation.spage419
dc.citation.epage423
dc.subject.asfaToxicity testsen
dc.subject.asfaRotenoneen
dc.subject.asfaPollution effectsen
dc.citation.conferenceTitleDiseases in Asian Aquaculture I. Proceedings of the First Symposium on Diseases in Asian Aquaculture, 26-29 November 1990, Bali, Indonesiaen


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