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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
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Your Position :Home->Past Journals Catalog->2013 Vol.32 No.4

Toxic Effects of Beta Cypermethrin on Bufo gargarizans Tadpoles
Author of the article:HUANG Xiuping, JIANG Yun, GENG Baorong*
Author's Workplace:(College of Life Sciences, Fujian Normal University, Fuzhou 350108, China)
Key Words:Bufo gargarizans tadpole; beta cypermethrin; T-AOC; GSH-ST; toxicity
Abstract:

Acute toxicity and physiological toxic effects of various doses of beta cypermethrin on Bufo gargarizans tadpoles were evaluated by using the static-renewal toxicity method. The results showed that 96 h-LC50 value of beta cypermethrin for Bufo gargarizans tadpoles was 1.147 mg/L, indicated an intermediate toxic level. The total-anti-oxidizing-capability (T-AOC) of tadpoles gradually decreased with the extension of the expose times. However, T-AOC of tadpoles presented hormesis temporarily and then decreased when the concentration of beta cypermethrin was higher than 1 μg/L. The activity of glutathione S transferase (GSH-ST) in tadpoles would significantly increase when the drug concentration was higher than 1 μg/L. The result suggested beta cypermethrin is toxic to Bufo gargarizans tadpoles.

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