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Position: Home > Articles > Study on Acute Toxicity of Eight Kinds of Aquatic Drugs to Elongateloach( Leptobotia elongata) Journal of Henan Agricultural Sciences 2018 (7) 137-143

8种水产药物对长薄鳅幼鱼的急性毒性试验

作  者:
张建明;田甜;姜伟
关键词:
长薄鳅;幼鱼;急性毒性;半致死质量浓度;安全质量浓度;水产药物
摘  要:
在水温(22±1)℃、溶氧量(6.7±0.5)mg/L、p H值7.9±0.2的条件下,采用静态方式水生生物急性毒性试验法,研究8种水产药物对长薄鳅幼鱼(1.95±0.24)g的急性毒性,旨在为长薄鳅的幼鱼培育阶段常规药物的合理使用提供参考数据,并为养殖生产提供有效指导。试验结果显示:氟苯尼考、盐酸强力霉素、聚维酮碘、氯胺T、盐酸奎宁、亚甲基蓝、阿维菌素、敌百虫8种水产药物对长薄鳅幼鱼24 h半致死质量浓度分别为1 691.18、606.03、51.49、32.80、35.97、12.80、0.25、1.54 mg/L;48 h半致死质量浓度分别为1 626.97、486.18、45.51、30.98、26.93、11.16、0.18、1.41 mg/L;72 h半致死质量浓度分别为1 575.34、390.03、40.23、27.96、24.10、9.56、0.16、1.16 mg/L;96 h半致死质量浓度分别为1 515.53、359.99、34.23、27.65、20.17、8.63、0.13、1.10 mg/L;其安全质量浓度分别为451.73、93.87、10.67、8.29、4.53、2.55、0.03、0.35 mg/L。其中,阿维菌素对长薄鳅幼鱼高毒,亚甲基蓝和敌百虫对其中毒,氟苯尼考、盐酸强力霉素、聚维酮碘、氯胺T、盐酸奎宁对其低毒。
译  名:
Study on Acute Toxicity of Eight Kinds of Aquatic Drugs to Elongateloach( Leptobotia elongata)
作  者:
ZHANG Jianming;TIAN Tian;JIANG Wei;Institute of Chinese Sturgeon Research,China Three Gorges Project Corporation;Hubei Key Laboratory of Three Gorges Project for Conservation of Fishes;
单  位:
ZHANG Jianming%TIAN Tian%JIANG Wei%Institute of Chinese Sturgeon Research,China Three Gorges Project Corporation%Hubei Key Laboratory of Three Gorges Project for Conservation of Fishes
关键词:
Elongateloach(Leptobotia elongata);;Juvenile fish;;Acute toxicity;;Median lethal concentration;;Safe concentration;;Aquatic drugs
摘  要:
Under the conditions of water temperature of( 22 ± 1) ℃ and dissolved oxygen of( 6. 7 ± 0. 5)mg/L and p H value of 7. 9 ± 0. 2,static method aquatic organism acute toxicity test was used to study the effects of 8 aquatic drugs on acute toxicity of juvenile Leptobotia elongata,which each body weight was( 1. 95 ± 0. 24) g. The aims were to provide reference data for the use of conventional drugs during the juvenile culture period and to provide guidance for actual production. The test results showed that the median lethal concentrations of florfenicol,doxycycline hydrochloride,povidone iodine,chloramine T,quinine hydrochloride,methylene blue,abamectin and trichlorfon were 1 691. 18,606. 03,51. 49,32. 80,35. 97,12. 80,0. 25,1. 54 mg/L for 24 hours,the 1 626. 97,486. 18,45. 51,30. 98,26. 93,11. 16,0. 18,1. 41 mg/L for 48 hours,the 1 575. 34,390. 03,40. 23,27. 96,24. 10,9. 56,0. 16,1. 16 mg/L for 72 hours,and the 1 515. 53,359. 99,34. 23,27. 65,20. 17,8. 63,0. 13,1. 10 mg/L for 96 hours. The safe concentrations of 8 kinds of aquatic drugs were 451. 73,93. 87,10. 67,8. 29,4. 53,2. 55,0. 03,0. 35 mg/L,respectively. According to the toxicity of toxic substances on fish toxicity evaluation criteria for Leptobotia elongata,avermectin was highly toxic,methylene blue and trichlorfon were medium toxic,florfenicol,doxycycline hydrochloride,povidone iodine,chloramine T,and quinine hydrochloride were low toxic.

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