alexa Low Salinity Decreases the Tolerance to Two Pesticides, Beta-cypermethrin and Acephate, of White-leg Shrimp, Litopenaeus vannamei | OMICS International | Abstract
ISSN: 2155-9546

Journal of Aquaculture Research & Development
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Research Article

Low Salinity Decreases the Tolerance to Two Pesticides, Beta-cypermethrin and Acephate, of White-leg Shrimp, Litopenaeus vannamei

Xiaodan Wang, Erchao Li*, Zequan Xiong, Ke Chen, Na Yu, Zhenyu Du and Liqiao Chen*

School of Life Sciences, East China Normal University, 200241, Shanghai, China

*Corresponding Author:
Erchao Li
School of Life Sciences
East China Normal University
200241, Shanghai, China
Tel: +86-21-54341002
E-mail: [email protected]

Liqiao Chen
School of Life Sciences
East China Normal University
200241, Shanghai, China
Tel: +86-21-54341002
E-mail: [email protected]

Received Date: May 31, 2013; Accepted Date: July 24, 2013; Published Date: July 26, 2013

Citation: Wang X, Li E, Xiong Z, Chen K, Yu N (2013) Low Salinity Decreases the Tolerance to Two Pesticides, Beta-cypermethrin and Acephate, of Whiteleg Shrimp, Litopenaeus vannamei. J Aquac Res Development 4:190. doi:10.4172/2155-9546.1000190

Copyright: © 2013 Wang X, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Acute toxic effects of two commonly used pesticides, beta-cypermethrin and Acephate, to the white-leg shrimp, Litopenaeus vannamei, were tested at ambient salinity 5.0% and 20.0%, by using a static renewal method. The results showed that the mean LC50 values of beta-cypermethrin at 24, 48, 72 and 96 h were 0.437, 0.317, 0.203, and 0.170 μg/L to the white shrimp at 5.0%, and were 0.767, 0.440, 0.383, and 0.383 μg/L at 20.0%. The mean LC50 values of Acephate at 24, 48, 72, and 96 h were 51.250, 38.007, 27.783, 18.247 mg/L at 5.0%, and were 59.853, 43.490, 34.220, 27.337 mg/L at 20.0%. L. vannamei is more sensitive to ambient beta-cypermethrin and Acephate toxicity at salinity 5.0% than at salinity 20.0%. Beta-cypermethrin is highly toxic to L. vannamei at either salinity, while acephate has low toxicity to L. vannamei.

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