Artikel: Microplastic exposure and consumption increases susceptibility to gyrodactylosis and host mortality for a freshwater fish.
Diseases of aquatic organisms
2023 Band 153, Seite(n) 81–85
Abstract: Microplastics have been found in all surveyed ecosystems and in the diet of multiple species. Detrimental health impacts of microplastic consumption include reduced growth and fecundity, metabolic stress and immune alterations for both invertebrates and ... ...
| Abstract | Microplastics have been found in all surveyed ecosystems and in the diet of multiple species. Detrimental health impacts of microplastic consumption include reduced growth and fecundity, metabolic stress and immune alterations for both invertebrates and vertebrates. Limited information exists, however, on how disease resistance may be affected by microplastic exposure and consumption. Here, the impact of microplastic (0.01 and 0.05 mg l-1 of polypropylene) on fish host susceptibility to disease and mortality was assessed using the guppy Poecilia reticulata-gyrodactylid Gyrodactylus turnbulli system. Fish exposed to and/or consuming microplastic at both concentrations demonstrated significantly higher pathogen burdens over time compared with fish fed a plastic-free diet. Furthermore, microplastic (at both tested concentrations) was associated with increased mortality events for fish within all treatments, regardless of host infection status. This study adds to the growing body of evidence showing that microplastic pollution can be detrimental to fish welfare by reducing disease resistance. |
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| Mesh-Begriff(e) | Animals ; Microplastics ; Plastics ; Disease Resistance ; Ecosystem ; Trematode Infections/veterinary ; Poecilia ; Fresh Water ; Water Pollutants, Chemical/toxicity |
| Chemische Substanzen | Microplastics ; Plastics ; Water Pollutants, Chemical |
| Sprache | Englisch |
| Erscheinungsdatum | 2023-03-23 |
| Erscheinungsland | Germany |
| Dokumenttyp | Journal Article |
| ISSN | 0177-5103 |
| ISSN | 0177-5103 |
| DOI | 10.3354/dao03721 |
| Datenquelle | MEDical Literature Analysis and Retrieval System OnLINE |
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