Copper and cadmium accumulation in gills and muscular tissue of tilapia (Oreochromis niloticus) under experimental conditions

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dc.contributor.authorSantarossa, Maria Amália da Silva
dc.contributor.authorTintor, Diogo Barcot [UNESP]
dc.contributor.authorDourado, Thiago de Araújo [UNESP]
dc.contributor.authorJotta, César Augusto Degiatto
dc.contributor.authorMenegário, Amauri Antônio [UNESP]
dc.contributor.authorFerreira, José Roberto
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionPólo Regional Centro Sul
dc.date.accessioned2018-12-11T17:21:46Z
dc.date.available2018-12-11T17:21:46Z
dc.date.issued2018-01-01
dc.description.abstractThe world wide use of tilapia for different approaches in fish bioassay was exploited to assess the accumulation of copper and cadmium, in isolated forms and in combination in gills and muscular tissue in the specie Oreochromis niloticus, which is of economical relevance in fish consumption in the Sao Paulo State, Brazil. To reach for these goals, semi-static chronic toxicity tests were carried out during 21 days by using two dissolved concentrations of each trace element as follow: LC50/10 and the average of LC50/10 and LC50/100. Fish samplings to assess for the kinetic trace element absorptions with time were performed at 24, 96 hours, 7, 14 and 21 days. After 14 days of exposure gills had higher concentrations for both elements (5.20 mg Kg-1 Cu and 4.89 mg kg-1 Cd), than the muscular tissue (0.79 mg Kg-1 Cu e 0.32 mg Kg-1 Cd). A competition for absorption was established when both elements were in combination, being the maximum absorbed concentrations, 1.81 mg Kg-1 Cu and 1.54 mg Kg-1 Cd for the gills and 0.63 mg Kg-1 Cu and 0.12 mg Kg-1 Cd for the muscular tissue. The Tukey test used for the statistical evaluation of the exposure period times dissolved metal concentration interactions revealed the interference of the basal Cd and Cu contents of the fish on the results. Despite the verified bioaccumulation, in which BCF for Cd were lower than the BCF for Cu, the fractions of the LCs50 were not lethal to the fish. Tilapia did not concentrate Cu and Cd in the edible tissue at concentrations to bring restrictions for human consumption.en
dc.description.affiliationUniversidade de São Paulo – USP Centro de Energia Nuclear na Agricultura, Av. Centenário, 303, São Dimas
dc.description.affiliationUniversidade Estadual Paulista – UNESP Centro de Estudos Ambientais, Av. 24-A, 1515, Bela Vista
dc.description.affiliationUniversidade de São Paulo – USP Escola Superior de Agricultura “Luiz de Queiroz” – ESALQ, Av. Pádua Dias, 11
dc.description.affiliationAgência Paulista de Tecnologia do Agronegócio – APTA Pólo Regional Centro Sul, Rodovia SP 127, Km 30, Vila Fátima, CP 28
dc.description.affiliationUnespUniversidade Estadual Paulista – UNESP Centro de Estudos Ambientais, Av. 24-A, 1515, Bela Vista
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipIdFAPESP: 2010/14021-1
dc.description.sponsorshipIdFAPESP: 2010/19588-0
dc.identifierhttp://dx.doi.org/10.20950/1678-2305.2018.332
dc.identifier.citationBoletim do Instituto de Pesca, v. 44, n. 3, 2018.
dc.identifier.doi10.20950/1678-2305.2018.332
dc.identifier.issn0046-9939
dc.identifier.issn1678-2305
dc.identifier.scopus2-s2.0-85050366836
dc.identifier.urihttp://hdl.handle.net/11449/176622
dc.language.isoeng
dc.relation.ispartofBoletim do Instituto de Pesca
dc.relation.ispartofsjr0,220
dc.relation.ispartofsjr0,220
dc.rights.accessRightsAcesso restrito
dc.sourceScopus
dc.subjectBioaccumulation
dc.subjectCadmium
dc.subjectChronic toxicity
dc.subjectCopper
dc.subjectOreochromis niloticus
dc.titleCopper and cadmium accumulation in gills and muscular tissue of tilapia (Oreochromis niloticus) under experimental conditionsen
dc.titleAcumulação de cobre e cádmio em brânquias e tecido muscular de tilápia (Oreochromis niloticus) sob condições experimentaispt
dc.typeArtigo
unesp.author.lattes5919521356445801[5]
unesp.author.orcid0000-0002-1111-9758[5]

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