Determination of LC50 of Copper in Cirrhinus mrigala (Hamilton, 1822) and Ctenopharyngodon idella (Steindachner, 1866)

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dc.contributor.authorMamatha, C
dc.contributor.authorRao, L.M
dc.contributor.authorChakravarty, M.S
dc.date.accessioned2021-10-07T09:05:44Z
dc.date.available2021-10-07T09:05:44Z
dc.date.issued2017
dc.description.abstractStatic bioassays were conducted on Cirrhinus mrigala (8±0.5g) and Ctenopharyngodon idella (8.5±1g) fingerlings, to determine the acute toxicity of copper. The experiments were designed as three replicates with five exposure groups arranged exponentially( 0.25, 0.75, 1.62, 3.25 and 6.62 mgl-1) for C. mrigala and five concentrations (0.5, 0.75, 1.62, 2.5 and 3.25 mgl-1) for C. idella, besides the controls. Each exposure group comprised of 10 fish each. The median lethal concentration (96-h LC50) of copper was determined as 0.74 mgl-1 Cu for C. mrigala and 3.07 mgl-1 Cu for C. idella respectively. Copper proved to be more toxic to C. mrigala than C. idella. The mortality rates increased with increasing copper concentrations, in both speciesen_US
dc.identifier.citationFishery Tech.54 (4) :237-243en_US
dc.identifier.urihttp://drs.cift.res.in/handle/123456789/4979
dc.language.isoenen_US
dc.publisherSociety of Fisheries Technologists (India),COCHINen_US
dc.subjectCirrhinus mrigala, Ctenopharyngodon idella, copper, acute toxicityen_US
dc.titleDetermination of LC50 of Copper in Cirrhinus mrigala (Hamilton, 1822) and Ctenopharyngodon idella (Steindachner, 1866)en_US
dc.typeArticleen_US
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