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Effects of cypermethrin on rainbow trout (Oncorhynchus mykiss)

Author

Listed:
  • J. Velisek

    (Research Institute of Fish Culture and Hydrobiology, Vodnany, University of South Bohemia, Ceske Budejovice, Czech Republic
    Faculty of Agriculture, University of South Bohemia, Ceske Budejovice, Czech Republic)

  • T. Wlasow

    (Faculty of Environmental Science and Fisheries, University of Warmia and Mazury, Olsztyn, Poland)

  • P. Gomulka

    (Faculty of Environmental Science and Fisheries, University of Warmia and Mazury, Olsztyn, Poland)

  • Z. Svobodova

    (Research Institute of Fish Culture and Hydrobiology, Vodnany, University of South Bohemia, Ceske Budejovice, Czech Republic
    University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic)

  • R. Dobsikova

    (University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic)

  • L. Novotny

    (University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic)

  • M. Dudzik

    (Faculty of Environmental Science and Fisheries, University of Warmia and Mazury, Olsztyn, Poland)

Abstract

The aim of this study was to assess the effect of cypermethrin [(R,S)-α-cyano-3-phenoxybenzyl (1RS)-cis,tra-3-(2,2-dichlorovinyl)-2,2-dimethyl cyclopropane carboxylate] on rainbow trout (Oncorhynchus mykiss). The effect was assessed on the basis of the results of acute toxicity tests and on the comparison of results of haematological, biochemical and histopathological tissue examinations of a control and experimental group exposed to Alimetrine 10 EM pesticide preparation (active substance 100 g/l of cypermethrin). The acute semistatical toxicity test lasting 96 h was performed on rainbow trout juveniles. The 96hLC50 value of Alimethrine 10 EM was 31.4 µg/l. Examination of erythrocyte, leukocyte and biochemical profile and histopathological tissue examination was performed on 15 control and 15 experimental specimens of one-to-two-year-old rainbow trout after 96 h of exposure to Alimetrine 10 EM in the concentration of 31.4 µg/l. The experimental group showed significantly higher values (P < 0.01) of plasma ammonia (NH3), aspartate aminotransferase (AST), lactate dehydrogenase (LDH), creatine kinase (CK), lactate (LACT) and significantly lower (P < 0.01) values of alkaline phosphatase (ALP) compared to the control group. Also, a significant decrease in count of developmental forms of myeloid sequence, and segmented neutrophile granulocytes in the experimental group were found. Teleangioectasiae of secondary gill lamellae and degeneration of hepatocytes were observed with histopathological examination. No histopathological changes were demonstrated in tissues (skin, spleen, cranial and caudal kidney) of rainbow trout following exposure to cypermethrine. The cypermethrine-based Alimethrinee 10 EM pesticide preparation was classified among substances strongly toxic for fish.

Suggested Citation

  • J. Velisek & T. Wlasow & P. Gomulka & Z. Svobodova & R. Dobsikova & L. Novotny & M. Dudzik, 2006. "Effects of cypermethrin on rainbow trout (Oncorhynchus mykiss)," Veterinární medicína, Czech Academy of Agricultural Sciences, vol. 51(10), pages 469-476.
    • Handle: RePEc:caa:jnlvet:v:51:y:2006:i:10:id:5580-vetmed
    DOI: 10.17221/5580-VETMED
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    Citations

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    Cited by:

    1. Jaroslava Lidova & Milos Buric & Antonin Kouba & Josef Velisek, 2019. "Acute toxicity of two pyrethroid insecticides for five non-indigenous crayfish species in Europe," Veterinární medicína, Czech Academy of Agricultural Sciences, vol. 64(3), pages 125-133.
    2. J. Velisek & Z. Svobodova & V. Piackova, 2009. "Effects of acute exposure to bifenthrin on some haematological, biochemical and histopathological parameters of rainbow trout (Oncorhynchus mykiss)," Veterinární medicína, Czech Academy of Agricultural Sciences, vol. 54(3), pages 131-137.
    3. Z. Richterova & J. Machova & A. Stara & J. Tumova & J. Velisek & M. Sevcikova & Z. Svobodova, 2015. "Effects of a cypermethrin-based pesticide on early life stages of common carp (Cyprinus carpio L.)," Veterinární medicína, Czech Academy of Agricultural Sciences, vol. 60(8), pages 423-431.

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