孙翰昌, 耿晓修, 张芬. 3种刺激性渔药对中华倒刺鲃幼鱼的急性毒性试验[J]. 南方水产科学, 2006, 2(6): 59-62.
引用本文: 孙翰昌, 耿晓修, 张芬. 3种刺激性渔药对中华倒刺鲃幼鱼的急性毒性试验[J]. 南方水产科学, 2006, 2(6): 59-62.
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SUN Hanchang, GENG Xiaoxiu, ZHANG Fen. Acute toxicities of three kinds of stimulating aquatic medicament to juvenileSpinibarbus sinensis[J]. South China Fisheries Science, 2006, 2(6): 59-62.
Citation: SUN Hanchang, GENG Xiaoxiu, ZHANG Fen. Acute toxicities of three kinds of stimulating aquatic medicament to juvenileSpinibarbus sinensis[J]. South China Fisheries Science, 2006, 2(6): 59-62.
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3种刺激性渔药对中华倒刺鲃幼鱼的急性毒性试验

Acute toxicities of three kinds of stimulating aquatic medicament to juvenileSpinibarbus sinensis

    摘要
  • 摘要: 采用静态及半静态方法，研究了强氯精、高锰酸钾、甲醛对中华倒刺鲃幼鱼的急性毒性。实验结果（静态和半静态96 h LC50）显示，这3种刺激性渔药中强氯精对中华倒刺鲃幼鱼的毒性最强（1.50、1.13 mgL-1），其次是高锰酸钾（1.76、1.24 mgL-1），最小的是甲醛（39.91、36.72 mgL-1）；它们在静态和半静态条件下的安全浓度分别为0.53、0.34，0.55、0.39，7.13、6.77 mgL-1。结果表明：含氯类（强氯精）、氧化剂类（高锰酸钾）、醛类（甲醛）对中华倒刺鲃幼鱼均具有一定的毒性，但是毒性较小，依然可以作为渔药使用。

     

    Abstract: The acute toxicities of three kinds of stimulating chemical, trichloroisocyanuric acid（TCCA）, potassium permanganate（KMnO4）, formaldehyde（HCHO）to juvenile Spinibarbus sinensis were studied through static and semi-static state processes. The results showed that trichloroisocyanuric acid was the most toxic to juvenile S. sinensis among the three kinds of stimulating chemical, potassium permanganate was the next, and the lowest toxic was formaldehyde. Their values of 96 h LC50 under static and semi-static state were 1.50, 1.13, 1.76, 1.24, 39.91, 36.72 mgL-1, respectively. Their safe concentration（SC） under static and semi-static state were 0.53, 0.34, 0.55, 0.39, 7.13, 6.77 mgL-1, respectively. The results indicated that although trichloroisocyanuric acid, potassium permanganate and formaldehyde have certain toxicity to juvenile S.sinensis, they can be applied in aquaculture as fishery drugs.

     

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