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Qualidade microbiológica da água e histopatologia de brânquias de peixes provenientes de pisciculturas do município de itapecuru-mirim, Estado do Maranhão

dc.contributor.authorSantos, Débora Martins Silva
dc.contributor.authorCruz, Cristiano Ferreira
dc.contributor.authorPereira, Dayane Pestana
dc.contributor.authorAlves, Lúcia Maria Coelho
dc.contributor.authorde Moraes, Flávio Ruas [UNESP]
dc.contributor.institutionUniversidade Estadual do Maranhão (UEMA)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:26:26Z
dc.date.available2014-05-27T11:26:26Z
dc.date.issued2012-04-04
dc.description.abstractThe present study evaluated the microbiological water quality and tissue lesions in gills from Nile tilapia (Oreochromis niloticus) and hybrid tambacu (Colossoma macropomum female x Piaractus mesopotamicus male). For this, water and gills were collected from fish farming at six locations in Itapecuru- Mirim County, Maranhão State. Microbiological water analyses revealed contamination by total coliforms, Escherichia coli and heterotrophic bacteria. In the gills, we observed a diversity of Gram-positive and Gramnegative bacteria. The tissue lesions were: lamellar fusion, interlamellar hyperplasia, sub-epithelial edema and telangiectasia. Inflammatory lesions were not observed. Significant statistical difference (p > 0.05) was not detected when comparing different gills lesions during rainy and dry season. The correlation between lesion and pond type was statistically different (p < 0.05) for lamellar fusion and interlamellar hyperplasia which occurred more frequently at ground ponds. Regarding the frequency of lesions in the different fish species, there was statistical difference (p < 0.05), and the tambacu was more sensitive to lamellar fusion while tilapia was more sensitive for the other lesions. In relation to the sampling stations, there was statistical difference for all the gill lesions. In conclusion, tissue lesions are nonspecific and function as a defense mechanism against polluted aquatic environments, without infectious character.en
dc.description.affiliationDepartamento de Química e Biologia Universidade Estadual do Maranhão, Cidade Universitária Paulo VI, s/n, São Luís, Maranhão
dc.description.affiliationDepartamento de Patologia Veterinária Universidade Estadual do Maranhão, São Luís, Maranhão
dc.description.affiliationDepartamento de Patologia Veterinária Faculdade de Ciências Agrárias e Veterinárias Universidade Estadual Paulista Júlio de Mesquita Filho, Jaboticabal, São Paulo
dc.description.affiliationUnespDepartamento de Patologia Veterinária Faculdade de Ciências Agrárias e Veterinárias Universidade Estadual Paulista Júlio de Mesquita Filho, Jaboticabal, São Paulo
dc.format.extent199-205
dc.identifierhttp://dx.doi.org/10.4025/actascibiolsci.v34i2.8460
dc.identifier.citationActa Scientiarum - Biological Sciences, v. 34, n. 2, p. 199-205, 2012.
dc.identifier.doi10.4025/actascibiolsci.v34i2.8460
dc.identifier.file2-s2.0-84859208367.pdf
dc.identifier.issn1679-9283
dc.identifier.issn1807-863X
dc.identifier.scopus2-s2.0-84859208367
dc.identifier.urihttp://hdl.handle.net/11449/73282
dc.language.isoeng
dc.language.isopor
dc.relation.isnodouble103770*
dc.relation.ispartofActa Scientiarum: Biological Sciences
dc.relation.ispartofsjr0,208
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectColiforms
dc.subjectGill epithelium
dc.subjectLesions
dc.subjectTambacu
dc.subjectTilapia
dc.subjectWater
dc.subjectanimal tissue
dc.subjectbacterial infection
dc.subjectbacterium
dc.subjectBrazil
dc.subjectcoliform bacterium
dc.subjectColossoma macropomum
dc.subjectcontrolled study
dc.subjectdry season
dc.subjectedema
dc.subjectepithelium
dc.subjectEscherichia coli
dc.subjectfish
dc.subjectfish disease
dc.subjectgill
dc.subjectGram negative bacterium
dc.subjectGram positive bacterium
dc.subjectheterotropphic bacterium
dc.subjecthistopathology
dc.subjecthyperplasia
dc.subjectinflammation
dc.subjectmicrobial diversity
dc.subjectmicrobiological water quality
dc.subjectnonhuman
dc.subjectOreochromis niloticus
dc.subjectPiaractus mesopotamicus
dc.subjectpisciculture
dc.subjectrainy season
dc.subjectseason
dc.subjectspecies difference
dc.subjecttelangiectasia
dc.subjecttissue structure
dc.subjectwater analysis
dc.subjectwater contamination
dc.subjectwater quality
dc.subjectwater sampling
dc.subjectPosibacteria
dc.titleQualidade microbiológica da água e histopatologia de brânquias de peixes provenientes de pisciculturas do município de itapecuru-mirim, Estado do Maranhãopt
dc.title.alternativeMicrobiological water quality and gill histopathology of fish from fish farming in itapecuru-mirim county, Maranhão Stateen
dc.typeArtigo
dcterms.licensehttp://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/about
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabalpt
unesp.departmentPatologia Veterinária - FCAVpt

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