Journal
SCIENCE OF THE TOTAL ENVIRONMENT
Volume 653, Issue -, Pages 1120-1127Publisher
ELSEVIER
DOI: 10.1016/j.scitotenv.2018.11.035
Keywords
Immunoglobulin; Cytokine; Interleukin; Catalase; Lysozyme; Fish
Categories
Funding
- Internal Grant Agency of the University of Veterinary and Pharmaceutical Sciences Brno [225/2015/FVHE]
- Ministry of Agriculture of the Czech Republic [NAZV QJ1210013]
- Ministry of Education, Youth and Sports of the Czech Republic [LO1218]
- ERDF/ESF Profish [CZ.02.1.01/0.0/0.0/16_019/0000869]
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Formalin is commonly used as a component of antiparasitic baths in fisheries. In this study the impact of this bath on the immune profile and oxidative stress parameters was evaluated. A formalin bath was prepared in the concentration of 185.3 mg L-1 (0.17 mL L-1) at a temperature of 20 degrees C. A total of 96 common carp Cyprinus carpio ( Linnaeus, 1758) individuals were immersed in this bath for 60 min. The effects were monitored immediately, and then after 24, 48 h and 10 days following the treatment. The study revealed the most effects 10 days after the treatment, whenwe observed the decrease of lysozyme in skinmucus, the decrease of anti-inflammatory cytokine transforming growth factor beta in gill tissue and increase of interleukin 10 in cranial kidney tissue. The pro-inflammatory cytokine interleukin 1b showed an increase in gill tissue immediately after the bath and the increase in glutathione peroxidase in gill tissue was also observed 24 h and 10 days after bath treatment. The other investigated parameters did not show any significant changes. In conclusion, even though the formalin bath elevated some parameters as mentioned above, formalin used in the bath is probably safe as an antiparasitic treatment of fish. (c) 2018 Elsevier B. V. All rights reserved.
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