Evaluation of Nile tilapia (Oreochromis niloticus) fingerlings exposed to the pesticide pyriproxyfen

ABSTRACT. Oreochromis niloticus (Nile tilapia) is one of the most produced fish for human consumption globally; however, these fish are susceptible to exposure to toxic chemicals in the water. Pyriproxyfen is a pesticide widely used to control mosquitoes in drinking water supplies and pests in crops...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Silva,Fabio Francisco da, Silva,Jaqueline Maria da, Silva,Themis de Jesus da, Tenorio,Bruno Mendes, Tenorio,Fernanda das Chagas Angelo Mendes, Santos,Elton Lima, Machado,Sonia Salgueiro, Soares,Emerson Carlos
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar 2020
Materias:	Oreochromis niloticus fish pyriproxyfen LC50 locomotor behavior catalase histopathology
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2020000500826
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:scielo:S0718-560X2020000500826
record_format	dspace
spelling	oai:scielo:S0718-560X20200005008262020-11-18Evaluation of Nile tilapia (Oreochromis niloticus) fingerlings exposed to the pesticide pyriproxyfenSilva,Fabio Francisco daSilva,Jaqueline Maria daSilva,Themis de Jesus daTenorio,Bruno MendesTenorio,Fernanda das Chagas Angelo MendesSantos,Elton LimaMachado,Sonia SalgueiroSoares,Emerson Carlos Oreochromis niloticus fish pyriproxyfen LC50 locomotor behavior catalase histopathology ABSTRACT. Oreochromis niloticus (Nile tilapia) is one of the most produced fish for human consumption globally; however, these fish are susceptible to exposure to toxic chemicals in the water. Pyriproxyfen is a pesticide widely used to control mosquitoes in drinking water supplies and pests in crops. The present study aimed to examine pyriproxyfen's effects on fish O. niloticus fingerlings exposed using an acute 96 h and subchronic tests for 28 days. The lethal concentration LC50−96 h for O. niloticus was 2.77 mg L−1, no observed effect concentration (NOEC), and the lowest observed effect concentration (LOEC) was 1.0 and 2.5 mg L−1, respectively. The hepatic catalase activity was significantly changed after exposure to pyriproxyfen above 0.4 mg L−1. Pyriproxyfen also induced histopathological lesions in the hepatic tissue at 28 days in a dose-dependent pattern at concentrations above 0.4 mg L−1. Pyriproxyfen above 1.2 mg L−1 reduced the locomotor behavior, distance traveled inside the tank, mean speed, and angular variation. This pesticide also decreased weight gain, food conversion, and specific growth rate at concentrations above 1.2 mg L−1. In conclusion, exposure to pyriproxyfen in water from 0.4 mg L−1 may impair O. niloticus development; consequently, pyriproxyfen may affect this fish's production and quality at higher concentrations than commonly used in water (0.01 mg L−1).info:eu-repo/semantics/openAccessPontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del MarLatin american journal of aquatic research v.48 n.5 20202020-11-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2020000500826en10.3856/vol48-issue5-fulltext-2556
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Oreochromis niloticus fish pyriproxyfen LC50 locomotor behavior catalase histopathology
spellingShingle	Oreochromis niloticus fish pyriproxyfen LC50 locomotor behavior catalase histopathology Silva,Fabio Francisco da Silva,Jaqueline Maria da Silva,Themis de Jesus da Tenorio,Bruno Mendes Tenorio,Fernanda das Chagas Angelo Mendes Santos,Elton Lima Machado,Sonia Salgueiro Soares,Emerson Carlos Evaluation of Nile tilapia (Oreochromis niloticus) fingerlings exposed to the pesticide pyriproxyfen
description	ABSTRACT. Oreochromis niloticus (Nile tilapia) is one of the most produced fish for human consumption globally; however, these fish are susceptible to exposure to toxic chemicals in the water. Pyriproxyfen is a pesticide widely used to control mosquitoes in drinking water supplies and pests in crops. The present study aimed to examine pyriproxyfen's effects on fish O. niloticus fingerlings exposed using an acute 96 h and subchronic tests for 28 days. The lethal concentration LC50−96 h for O. niloticus was 2.77 mg L−1, no observed effect concentration (NOEC), and the lowest observed effect concentration (LOEC) was 1.0 and 2.5 mg L−1, respectively. The hepatic catalase activity was significantly changed after exposure to pyriproxyfen above 0.4 mg L−1. Pyriproxyfen also induced histopathological lesions in the hepatic tissue at 28 days in a dose-dependent pattern at concentrations above 0.4 mg L−1. Pyriproxyfen above 1.2 mg L−1 reduced the locomotor behavior, distance traveled inside the tank, mean speed, and angular variation. This pesticide also decreased weight gain, food conversion, and specific growth rate at concentrations above 1.2 mg L−1. In conclusion, exposure to pyriproxyfen in water from 0.4 mg L−1 may impair O. niloticus development; consequently, pyriproxyfen may affect this fish's production and quality at higher concentrations than commonly used in water (0.01 mg L−1).
author	Silva,Fabio Francisco da Silva,Jaqueline Maria da Silva,Themis de Jesus da Tenorio,Bruno Mendes Tenorio,Fernanda das Chagas Angelo Mendes Santos,Elton Lima Machado,Sonia Salgueiro Soares,Emerson Carlos
author_facet	Silva,Fabio Francisco da Silva,Jaqueline Maria da Silva,Themis de Jesus da Tenorio,Bruno Mendes Tenorio,Fernanda das Chagas Angelo Mendes Santos,Elton Lima Machado,Sonia Salgueiro Soares,Emerson Carlos
author_sort	Silva,Fabio Francisco da
title	Evaluation of Nile tilapia (Oreochromis niloticus) fingerlings exposed to the pesticide pyriproxyfen
title_short	Evaluation of Nile tilapia (Oreochromis niloticus) fingerlings exposed to the pesticide pyriproxyfen
title_full	Evaluation of Nile tilapia (Oreochromis niloticus) fingerlings exposed to the pesticide pyriproxyfen
title_fullStr	Evaluation of Nile tilapia (Oreochromis niloticus) fingerlings exposed to the pesticide pyriproxyfen
title_full_unstemmed	Evaluation of Nile tilapia (Oreochromis niloticus) fingerlings exposed to the pesticide pyriproxyfen
title_sort	evaluation of nile tilapia (oreochromis niloticus) fingerlings exposed to the pesticide pyriproxyfen
publisher	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar
publishDate	2020
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2020000500826
work_keys_str_mv	AT silvafabiofranciscoda evaluationofniletilapiaoreochromisniloticusfingerlingsexposedtothepesticidepyriproxyfen AT silvajaquelinemariada evaluationofniletilapiaoreochromisniloticusfingerlingsexposedtothepesticidepyriproxyfen AT silvathemisdejesusda evaluationofniletilapiaoreochromisniloticusfingerlingsexposedtothepesticidepyriproxyfen AT tenoriobrunomendes evaluationofniletilapiaoreochromisniloticusfingerlingsexposedtothepesticidepyriproxyfen AT tenoriofernandadaschagasangelomendes evaluationofniletilapiaoreochromisniloticusfingerlingsexposedtothepesticidepyriproxyfen AT santoseltonlima evaluationofniletilapiaoreochromisniloticusfingerlingsexposedtothepesticidepyriproxyfen AT machadosoniasalgueiro evaluationofniletilapiaoreochromisniloticusfingerlingsexposedtothepesticidepyriproxyfen AT soaresemersoncarlos evaluationofniletilapiaoreochromisniloticusfingerlingsexposedtothepesticidepyriproxyfen
_version_	1714205243339702272

Evaluation of Nile tilapia (Oreochromis niloticus) fingerlings exposed to the pesticide pyriproxyfen

Ejemplares similares