微囊藻毒素对凡纳滨对虾急性毒性的研究

doi:10.19640/j.cnki.jtau.2022.04.007

天津农学院学报 ›› 2022, Vol. 29 ›› Issue (4): 31-35.doi: 10.19640/j.cnki.jtau.2022.04.007

微囊藻毒素对凡纳滨对虾急性毒性的研究

黄兰英^1,2, 张达娟^1,2, 张树林^{1,2,通信作者}, 马丞鸿^1,2, 黄莺^1,2

1.天津农学院水产学院,天津 300392;
2.天津市水产生态及养殖重点实验室,天津 300392

收稿日期:2021-02-05 出版日期:2022-12-30 发布日期:2023-01-03
通讯作者: 张树林（1963—）,男,教授,博士,主要从事养殖水质调控方向研究。E-mail：shulin63@sina.com。
作者简介:黄兰英（1995—）,女,硕士在读,主要从事养殖水质调控方向研究。E-mail：1448700404@qq.com。
基金资助:
天津市自然科学基金项目（18JCZDJC97800）; 天津市科技计划项目（22ZYCGSN00260）; 天津市教委科研计划项目（2021 KJ 110）; 天津市淡水养殖产业技术体系创新团队-养殖水环境调控岗位（ITTFRS2021000-009）

Study on acute toxicity of microcystins to Litopenaeus vannamei

Huang Lanying^1,2, Zhang Dajuan^1,2, Zhang Shulin^{1,2,Corresponding Author}, Ma Chenghong^1,2, Huang Ying^1,2

1. College of Fisheries, Tianjin Agricultural University, Tianjin 300392, China;
2. Tianjin Key Laboratory of Aquatic Ecology and Aquaculture, Tianjin 300392, China

Received:2021-02-05 Online:2022-12-30 Published:2023-01-03

摘要/Abstract

摘要： 为探讨MC-LR对凡纳滨对虾的急性毒性研究,为凡纳滨对虾的科学养殖提供参考依据。以凡纳滨对虾为实验材料,分别注射0、50、100和200 μg/kg浓度的MC-LR,记录死亡个体,计算不同浓度MC-LR注射情况下凡纳滨对虾的死亡率及LC₅₀,观察其急性毒性效应。研究结果表明,MC-LR对凡纳滨对虾24、48、72和96 h的LC₅₀分别为439.990、384.655、346.659、320.663 μg/kg。凡纳滨对虾对MC-LR的耐受性较强,个体较大及遭受低浓度MC-LR感染凡纳滨对虾对MC-LR的耐受能力更强。为MC-LR对凡纳滨对虾不同个体大小影响及毒性作用机制研究具有一定意义。

关键词: MC-LR, 凡纳滨对虾, 半致死浓度

Abstract: To study the acute toxicity of MC-LR to Litopenaeus vannamei and provide reference for scientific culture of Litopenaeus vannamei, the research was carried out. With Litopenaeus vannamei as experimental material, the death individuals were recorded by injecting MC-LR at 0, 50, 100 and 200 μg/kg respectively, and the mortality and LC₅₀ of Litopenaeus vannamei under different concentrations of MC-LR injection were calculated to observe its acute toxic effects. The results showed that the LC₅₀ of MC-LR to Litopenaeus vannamei for 24 h, 48 h, 72 h and 96 h were 439.990, 384.655, 346.659 and 320.663 μg/kg respectively. The tolerance of Litopenaeus vannamei to MC-LR wasstrong, and the tolerance of Litopenaeus vannamei to MC-LR was stronger when it was infected with low concentration MC-LR. This study has certain significance for understanding the influence of MC-LR on different individual sizes of Litopenaeus vannamei and its toxic mechanism.

Key words: MC-LR, Litopenaeus vannamei, semilethal concentration

中图分类号:

S948

黄兰英, 张达娟, 张树林, 马丞鸿, 黄莺. 微囊藻毒素对凡纳滨对虾急性毒性的研究[J]. 天津农学院学报, 2022, 29(4): 31-35.

Huang Lanying, Zhang Dajuan, Zhang Shulin, Ma Chenghong, Huang Ying. Study on acute toxicity of microcystins to Litopenaeus vannamei[J]. Journal of Tianjin Agricultural University, 2022, 29(4): 31-35.

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http://xuebao.tjau.edu.cn/CN/Y2022/V29/I4/31

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微囊藻毒素对凡纳滨对虾急性毒性的研究

Study on acute toxicity of microcystins to Litopenaeus vannamei

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