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DDT residues persist in trout in some Canadian lakes 70 years after insecticide treatment, often at levels ten times that recommended as safe for the wildlife which consumes the fish

04.21.25 | PLOS

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Legacy DDT and its metabolites in Brook Trout from lakes within forested watersheds treated with aerial applications of insecticides
A typical Brook Trout sampled for measurement of DDT in its muscle tissue from lakes in New Brunswick, Canada. Credit: Joshua Kurek, CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/)

DDT residues persist in trout in some Canadian lakes 70 years after insecticide treatment, often at levels ten times that recommended as safe for the wildlife which consumes the fish

Article URL : https://plos.io/4lp9Fhx

Article title: Legacy DDT and its metabolites in Brook Trout from lakes within forested watersheds treated with aerial applications of insecticides

Author countries: Canada

Funding: This research was supported by funding from the New Brunswick Wildlife Trust Fund (JK; F000-201; www.nbwtf.ca ), the Natural Sciences and Engineering Research Council of Canada (NSERC) Discovery Program (JK; 2015-03784; www.nserc-crsng.gc.ca ), and NSERC’s Canada Graduate Scholarships – Master’s Program (MPF). Funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

PLOS One

10.1371/journal.pone.0320665

Legacy DDT and its metabolites in Brook Trout from lakes within forested watersheds treated with aerial applications of insecticides

21-Apr-2025

The authors have declared that no competing interests exist.

Keywords

Animal Research Insecticides Lakes Water Treatment Watersheds Wildlife

Article Information

Journal
PLOS One
DOI
10.1371/journal.pone.0320665
Article Publication Date
2025-04-21
Article Title
Legacy DDT and its metabolites in Brook Trout from lakes within forested watersheds treated with aerial applications of insecticides
COI Statement
The authors have declared that no competing interests exist.

Contact Information

Hanna Abdallah
PLOS
onepress@plos.org

How to Cite This Article

APA:
PLOS. (2025, April 21). DDT residues persist in trout in some Canadian lakes 70 years after insecticide treatment, often at levels ten times that recommended as safe for the wildlife which consumes the fish. Brightsurf News. https://www.brightsurf.com/news/8Y4EN3ZL/ddt-residues-persist-in-trout-in-some-canadian-lakes-70-years-after-insecticide-treatment-often-at-levels-ten-times-that-recommended-as-safe-for-the-wildlife-which-consumes-the-fish.html
MLA:
"DDT residues persist in trout in some Canadian lakes 70 years after insecticide treatment, often at levels ten times that recommended as safe for the wildlife which consumes the fish." Brightsurf News, Apr. 21 2025, https://www.brightsurf.com/news/8Y4EN3ZL/ddt-residues-persist-in-trout-in-some-canadian-lakes-70-years-after-insecticide-treatment-often-at-levels-ten-times-that-recommended-as-safe-for-the-wildlife-which-consumes-the-fish.html.