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Effects of salinity on the absorption and elimination of residues of the fungicide ridomil in Procambarus clarkii (Girard, 1852) (Decapoda: Astacidea: Cambaridae)

文献类型： 外文期刊

作者： Li, Jiehang 1 ; Zheng, Ruizhou 1 ; Hu, Kun 1 ;

作者机构： 1.Shanghai Engn Res Ctr Aquaculture, Natl Pathogen Collect Ctr Aquat Anim, Shanghai 201306, Peoples R China

2.Shanghai Ocean Univ, Natl Demonstrat Ctr Expt Fisheries Sci Educ, Shanghai 201306, Peoples R China

3.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Key Lab East China Sea Fishery Resources Exploita, Minist Agr, Shanghai 200090, Peoples R China

关键词： aquaculture; bimodal effect; Crustacea; enterohepatic cycle; pharmacokinetics; saprolegniasis

期刊名称：JOURNAL OF CRUSTACEAN BIOLOGY （ 影响因子：1.29； 五年影响因子：1.455 ）

ISSN： 0278-0372

年卷期： 2022 年 42 卷 2 期

页码：

收录情况： SCI

摘要： We explored the pharmacokinetics of the antimicrobial agent ridomil in the crayfish Procambarus clarkii () under different salinity conditions. The concentration of ridomil in hemolymph, liver, and muscle of individuals soaked in ridomil in fresh water and brackish water with a salinity of 3 parts per thousand was determined by high-performance liquid chromatography. Hemolymph was in line with the first-order absorption, two-compartment open model, and the liver and muscles were in line with the first-order absorption, one-compartment open model. The maximum concentration(C-max) in the hemolymph in fresh and brackish-water groups were 296 mg l(-1) and 452 mg l(-1), respectively. The maximum time (T-max) of hemolymph in the fresh and brackish-water groups were 8h and 24h, respectively. The C-max in liver and muscle in the freshwater group were 4,125 mg l(-1) and 2,702 mg l(-1), respectively, and 2,362 mg l(-1) and 2,274 mg l(-1), respectively, in the brackish-water group. The T-max of liver and muscle in the freshwater group were 0.25 h and 18 h, respectively, 36 h and 24 h, respectively, in the brackish-water group. Results indicate that the concentration of ridomil in the hemolymph was lower in the freshwater group than that in the brackish-water group, but the concentration in liver and muscle tissues in the freshwater group was higher than that in the brackish-water group. Salinity can therefore affect the drug absorption rate of ridomil in the hemolymph of Procambarus clarkii.

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