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Pesticide contamination of water alters the metabolism of juvenile silver catfish, Rhamdia quelen.
Becker, Alexssandro G; Moraes, Bibiana S; Menezes, Charlene C; Loro, Vania L; Santos, Danilo R; Reichert, José M; Baldisserotto, Bernardo.
Afiliação
  • Becker AG; Departamento de Fisiologia e Farmacologia, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil.
Ecotoxicol Environ Saf ; 72(6): 1734-9, 2009 Sep.
Article em En | MEDLINE | ID: mdl-19505722
We investigated how pesticide contamination of water affects the metabolism of the silver catfish, Rhamdia quelen, by studying fish maintained at two sites with low and high anthropic activity (Lino Creek, southern Brazil). Several pesticides were found at both stream sites. After 30 days plasma glucose levels were higher in fish exposed to water in the low anthropic activity site than those exposed to water in the high anthropic activity site. Plasma K+ levels, however, were lower after exposure to low anthropic water than after exposure to high anthropic water. Moreover, values of hepatic glycogen, muscle lactate and protein were higher, but glycogen and protein of the kidney were lower in fish exposed to water at the high anthropic activity site. Our results show that these fish can be used as pesticide toxicity indicators in streams near agricultural fields.
Assuntos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Praguicidas / Poluentes Químicos da Água / Peixes-Gato / Água Doce Limite: Animals Idioma: En Revista: Ecotoxicol Environ Saf Ano de publicação: 2009 Tipo de documento: Article País de afiliação: Brasil País de publicação: Holanda

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Praguicidas / Poluentes Químicos da Água / Peixes-Gato / Água Doce Limite: Animals Idioma: En Revista: Ecotoxicol Environ Saf Ano de publicação: 2009 Tipo de documento: Article País de afiliação: Brasil País de publicação: Holanda