Cortisol response to acute stress in jundiá Rhamdia quelen acutely exposed to sub-lethal concentrations of agrichemicals

Página do item simplificado
dc.contributor.authorCericato, Leonardo [UNESP]
dc.contributor.authorPottker, Emanuele
dc.contributor.authorAnziliero, Deniz
dc.contributor.authorBarcellos, Leonardo José Gil
dc.contributor.authorNeto, Joaquim Gonçalves Machado [UNESP]
dc.contributor.authorFagundes, Michele [UNESP]
dc.contributor.authorKreutz, Luiz Carlos
dc.contributor.authorQuevedo, Rosmari Mezzalira
dc.contributor.authorFinco, Jovani
dc.contributor.authorRosa, João Gabriel Santos da
dc.contributor.authorKoakoski, Gessi
dc.contributor.authorCentenaro, Lucas
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de Passo Fundo (UPF)
dc.date.accessioned2014-05-27T11:23:38Z
dc.date.available2014-05-27T11:23:38Z
dc.date.issued2008-09-01
dc.description.abstractExposure to agrichemicals can have deleterious effects on fish, such as disruption of the hypothalamus-pituitary-inter-renal axis (HPI) that could impair the ability of fish to respond to stressors. In this study, fingerlings of the teleost jundiá (Rhamdia quelen) were used to investigate the effects of the commonly used agrichemicals on the fish response to stress. Five common agrichemicals were tested: the fungicide - tebuconazole, the insecticide - methyl-parathion, and the herbicides - atrazine, atrazine + simazine, and glyphosate. Control fishes were not exposed to agrichemicals and standard stressors. In treatments 2-4, the fishes were exposed to sub-lethal concentrations (16.6%, 33.3%, and 50% of the LC50) of each agrichemical for 96 h, and at the end of this period, were subjected to an acute stress-handling stimulus by chasing them with a pen net. In treatments 5-7 (16.6%, 33.3%, and 50% of the LC50), the fishes were exposed to the same concentrations of the agrichemicals without stress stimulus. Treatment 8 consisted of jundiás not exposed to agrichemicals, but was subjected to an acute stress-handling stimulus. Jundiás exposed to methyl-parathion, atrazine + simazine, and glyphosate presented a decreased capacity in exhibiting an adequate response to cope with stress and in maintaining the homeostasis, with cortisol level lower than that in the control fish (P < 0.01). In conclusion, the results of this study clearly demonstrate that the acute exposure to sub-lethal concentrations of methyl-parathion, atrazine + simazine, and glyphosate exert a deleterious effect on the cortisol response to an additional acute stressor in the jundiá fingerlings. © 2008 Elsevier Inc. All rights reserved.en
dc.description.affiliationCentro de Aqüicultura Universidade Estadual Paulista CAUNESP, Jaboticabal
dc.description.affiliationUniversidade de Passo Fundo Curso Medicina Veterinaria Campus Universitario do Bairro Sao Jose, Sao Jose CEP 99001-970
dc.description.affiliationLaboratório de Piscicultura Universidade de Passo Fundo UPF., Campus Universitario Sao Jose, Caixa Postal 611, CEP 99001-970
dc.description.affiliationUnespCentro de Aqüicultura Universidade Estadual Paulista CAUNESP, Jaboticabal
dc.format.extent281-286
dc.identifierhttp://dx.doi.org/10.1016/j.cbpc.2008.06.008
dc.identifier.citationComparative Biochemistry and Physiology - C Toxicology and Pharmacology, v. 148, n. 3, p. 281-286, 2008.
dc.identifier.doi10.1016/j.cbpc.2008.06.008
dc.identifier.issn1532-0456
dc.identifier.scopus2-s2.0-49249128773
dc.identifier.urihttp://hdl.handle.net/11449/70540
dc.identifier.wosWOS:000259350900013
dc.language.isoeng
dc.relation.ispartofComparative Biochemistry and Physiology - C Toxicology and Pharmacology
dc.relation.ispartofjcr2.426
dc.relation.ispartofsjr0,798
dc.rights.accessRightsAcesso restrito
dc.sourceScopus
dc.subjectAtrazineen
dc.subjectAtrazine + simazineen
dc.subjectEndocrine disruptionen
dc.subjectGlyphosateen
dc.subjectHPI axisen
dc.subjectJundiáen
dc.subjectMethyl-parathionen
dc.subjectSilver catfishen
dc.subjectTebuconazoleen
dc.subjectagricultural chemicalen
dc.subjectatrazineen
dc.subjectglyphosateen
dc.subjecthydrocortisoneen
dc.subjectparathion methylen
dc.subjectsimazineen
dc.subjecttebuconazoleen
dc.subjectacute stressen
dc.subjectanimal experimenten
dc.subjectanimal tissueen
dc.subjectchemical stressen
dc.subjectconcentration responseen
dc.subjectcontrolled studyen
dc.subjectcoping behavioren
dc.subjectfingerlingen
dc.subjectfishen
dc.subjecthomeostasisen
dc.subjecthydrocortisone blood levelen
dc.subjecthypothalamus hypophysis systemen
dc.subjecthypothalamus pituitary inter renal axisen
dc.subjectkidneyen
dc.subjectLC 50en
dc.subjectnonhumanen
dc.subjectpriority journalen
dc.subjectRhamdia quelenen
dc.subjectteleosten
dc.subjectAgrochemicalsen
dc.subjectAnimalsen
dc.subjectCatfishesen
dc.subjectFemaleen
dc.subjectGlycineen
dc.subjectHydrocortisoneen
dc.subjectMaleen
dc.subjectMethyl Parathionen
dc.subjectSimazineen
dc.subjectStressen
dc.subjectTriazolesen
dc.subjectWater Pollutants, Chemicalen
dc.subjectPiscesen
dc.subjectTeleosteien
dc.titleCortisol response to acute stress in jundiá Rhamdia quelen acutely exposed to sub-lethal concentrations of agrichemicalsen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
unesp.author.orcid0000-0002-6334-3823[3]
unesp.author.orcid0000-0002-7685-7401[7]

Arquivos

Coleções

Jaboticabal - CAUNESP - Centro de Aquicultura da Unesp