Preliminary evaluation of the acute toxicity of cypermethrin and λ-cyhalothrin to Channa punctatus

被引：42
|
作者：
Kumar, Amit [1 ]
Sharma, Bechan [1 ,2 ]
Pandey, Ravi Shankar [1 ]
机构：
[1] Univ Allahabad, Dept Zool, Allahabad 211002, Uttar Pradesh, India
[2] Univ Allahabad, Dept Biochem, Allahabad 211002, Uttar Pradesh, India
来源：
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2007年 / 79卷 / 06期
关键词：
D O I：
10.1007/s00128-007-9282-8
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In the present study, the acute toxicity of the pyrethroid pesticides, cypermethrin and lambda-cyhalothrin was conducted for a 96 h period using Channa punctatus. The LC50 values of cypermethrin and lambda-cyhalothrin were found to be 0.4 mg/L and 7.92 mu g/L, respectively. The lambda-cyhalothrin was found to be about 50 times more toxic to the fish than cypermethrin. The behavioral pattern of C. punctatus got severely altered in each group due to pesticide treatment. The results suggested that even at low concentrations, these pyrethroid compounds may exert toxic effects, markedly modifying their behavioral pattern.
引用
收藏
页码：613 / 616
页数：4
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