Reduction of the Toxicity of Fenitrothion to Prawns by Piperonyl Butoxide

Kunio Kobayashi, Yang Wang, Nobuyoshi Imada, Yuji Oshima, Rizald Max Rompas

研究成果: Contribution to journalArticle査読

3 被引用数 (Scopus)

抄録

The effectiveness of piperonyl butoxide (PB) in reducing the mortality of striped prawn and kuruma prawn during exposure to fenitrothion (FS) was examined. The 24-h LC50 values of PB for striped and kuruma prawns were 3.5 and 1.6 ppm at 25°C, respectively. Therefore, PB-treatment for both prawns was conducted at 0.25 ppm, corresponding to one-tenth of the mean of both 24-h LC50 values. The PB-pretreatment before FS-exposure and also the addition of PB to FS-water were effective in decreasing the FS-toxicity to both prawns. The most effective reduction of the toxicity to the prawns was obtained by continuous PB-treatment before and during FS-exposure, resulting in extensions of 50% survival time by 4–6 times in striped prawn and 10–16 times in kuruma prawn, compared with the respective control groups non-treated with PB.

本文言語英語
ページ(範囲)717-720
ページ数4
ジャーナルNIPPON SUISAN GAKKAISHI
59
4
DOI
出版ステータス出版済み - 1993

All Science Journal Classification (ASJC) codes

  • 水圏科学

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