Investigation of acute toxicity and LC50 value of Cu for a fish Oreochromis niloticus
Journal of entomology and zoology studies(2016)
摘要
The present investigation is about to determine the acute toxicity and 96-Hr LC50 value of Cu for the fish Oreochromis niloticus. The fish were exposed in aquaria to different concentration of metal and the concentration of metal was increased gradually for 96 hours to investigate the response of the fish. With the increase of the concentration of metal the response of the fish mortality were increased gradually. The result showed that LC50 of copper sulphate for the fish, Oreochromis niloticus is 30 mg/l. The mortality of the fish is directly proportional to the concentration of the exposed metals.
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关键词
oreochromis niloticus,acute toxicity,fish,lc50 value
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