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- Title
Mixture of pesticides based on dimethylamine and imidacloprid affects locomotion of adult zebrafish.
- Authors
Siqueira, Lisiane; Varela, Amanda Carolina Cole; Soares, Suelen Mendonça; Fortuna, Milena; Freddo, Natália; Nardi, Jéssica; Barletto, Ísis Piasson; dos Santos, Ana Carolina Martins; Ariotti, Maíra Souza; Rutikoski, Gabriéla Witkowski; Andrade, Cecilia Mazutti; Bertuol, Milena Zanoello; Zanella, Noeli; Barcellos, Leonardo José Gil
- Abstract
Numerous chemical compounds are found in aquatic environments; among them are pesticides. Pesticides are widely used worldwide, and this use has progressively increased in recent decades, resulting in the accumulation of potentially toxic compounds in surface waters. Dimethylamine-based herbicides (DBH) and imidacloprid-based insecticides (IBI) have low soil absorption and high water solubility, facilitating the arrival of these compounds in aquatic environments. In this study, our objective was to analyze whether two pesticides, DBH and IBI at environmentally relevant concentrations of 320 μg/L for each compound, and their mixtures impact the behavioral and endocrine parameters of adult zebrafish, verifying the effect of pesticides on exploratory behavior and social and analyzing hormonal parameters related to stress. Acute exposure to the mixture of pesticides reduced fish locomotion. Pesticides alone and in combination did not affect cortisol levels in exposed animals. Pesticides, when tested together, can cause different effects on non-target organisms, and the evaluation of mixtures of these compounds is extremely important.
- Subjects
IMIDACLOPRID; PESTICIDES; ANIMAL locomotion; HUMAN locomotion; FISH locomotion; NON-target organisms
- Publication
Environmental Science & Pollution Research, 2024, Vol 31, Issue 19, p28827
- ISSN
0944-1344
- Publication type
Article
- DOI
10.1007/s11356-024-33212-1