Microplastics in Diet Affect Liver and Gills Function of Rainbow Trout (Oncorhynchus mykiss) Juveniles

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00027162%3A_____%2F22%3AN0000041" target="_blank" >RIV/00027162:_____/22:N0000041 - isvavai.cz</a>

Result on the web

<a href="https://europe2022.setac.org/" target="_blank" >https://europe2022.setac.org/</a>

DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Microplastics in Diet Affect Liver and Gills Function of Rainbow Trout (Oncorhynchus mykiss) Juveniles

Original language description

Plastic waste pollution is considered to be one of the most serious issues of our planet. Decades of increasing production and improper recycling caused that huge amounts of plastic waste enter the aquatic environment. Moreover, the widespread use of protective equipment due to Covid-19 pandemic, which is mainly made from various plastic materials, pollute the aquatic environment even more. In external environment, these plastic objects in large size may initiate creation of so-called microplastics (< 5 mm), which may be consumed by non-target organisms and could have negative effect on their health. The main task of this project was the evaluation of polystyrene (PS) microparticles effects on indicators of inflammation in rainbow trout (Oncorhynchus mykiss) juveniles. Tested fish were divided into four groups – with 0.5%, 2% and 5% concentration of PS microparticles in diet concurrently with the control group without the addition of microplastics in their feed pellets. Fish were fed with this diet for six weeks and the experiment ended with the blood and selected tissues sampling. In the highest tested PS concentration (5%), the inflammatory alterations were detected via changes in expression of selected cytokines in liver and gills and were confirmed by histopathological analysis of these tissues. In addition, the biochemical analysis found a decrease in ceruloplasmin activity and ammonia concentration in the same PS group. In conclusion, PS microparticles can affect health indices of O. mykiss and thus the potential risk for aquatic environment and even human consumption should be considered. Project was funded by the ERDF/ESF ""PROFISH"" [no. CZ.02.1.01/0.0/0.0/16_019/0000869].

Czech name

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Czech description

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Type

O - Miscellaneous

CEP classification

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OECD FORD branch

40301 - Veterinary science

Project

<a href="/en/project/EF16_019%2F0000869" target="_blank" >EF16_019/0000869: Sustainable production of healthy fish in various aquaculture systems - PROFISH</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2022

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů