Isolation and characterization of pathology in case of massive mortality by photobacterium damselae subsp. Piscicida in rachycentron canadum

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dc.contributor.authorShimada, Marina T. [UNESP]
dc.contributor.authorYunis-Aguinaga, Jefferson [UNESP]
dc.contributor.authorCueva-Quiroz, Victor A. [UNESP]
dc.contributor.authorFilho, Jair R. Engrácia
dc.contributor.authorMouriño, Jóse L. P.
dc.contributor.authorClaudiano, Gustavo S. [UNESP]
dc.contributor.authorMoraes, Flávio R. [UNESP]
dc.contributor.authorMoraes, Julieta R. E. [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionPostgraduate Program in Animal Science
dc.contributor.institutionUniversidade Federal de Santa Catarina (UFSC)
dc.contributor.institutionUFOPA
dc.date.accessioned2020-12-12T02:19:29Z
dc.date.available2020-12-12T02:19:29Z
dc.date.issued2020-09-01
dc.description.abstractThis study aimed to investigate outbreak with high mortality in cultured juvenile cobia occurred in Southeast Brazil in 2011. Fish displayed retarded growth rates, lethargy, fin ulceration, skin depigmentation, corneal opacity, and physical deformities. Internally, livers were increased in volume and pale in different degrees. Firm whitish nodules were disseminated in the liver, kidney and spleen. A moderate number of parasites identified as Neobenedenia melleni were recovered from the body surface. Microscopically, severe hepatic steatosis and extensive granulomatous lesion were identified in all fish sampled. Microbiological analysis of moribund fish revealed the presence in pure culture of a Gram-negative bacterium identified as Photobacterium damselae subsp. piscicida using biochemical and molecular characteristics. Analysis of the partial 16S rRNA sequences confirmed the results demonstrating high identity (98%). The isolates were sensitive to chloramphenicol and enrofloxacin and resistant to ciprofloxacin, florfenicol, doxycycline hydrochloride, norfloxacin, oxytetracycline, and tetracycline. Chronic pasteurellosis was considered as the main problem in the farm, while hepatic steatosis and parasitic infestation may have contributed to the development of the process.en
dc.description.affiliationSão Paulo State University (Unesp) Aquaculture Center of Unesp
dc.description.affiliationPontifical Catholic University of Paraná-PUCPR Postgraduate Program in Animal Science
dc.description.affiliationFederal University of Santa Catarina-UFSC Agrarian Sciences Center Department of Aquaculture
dc.description.affiliationSão Paulo State University-Unesp School of Agricultural and Veterinarian Sciences Department of Veterinary Pathology
dc.description.affiliationInstitute of Biodiversity and Forests Federal University of Western Pará UFOPA
dc.description.affiliationUnespSão Paulo State University (Unesp) Aquaculture Center of Unesp
dc.description.affiliationUnespSão Paulo State University-Unesp School of Agricultural and Veterinarian Sciences Department of Veterinary Pathology
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.format.extent1732-1741
dc.identifierhttp://dx.doi.org/10.14393/BJ-v36n5a2020-41745
dc.identifier.citationBioscience Journal, v. 36, n. 5, p. 1732-1741, 2020.
dc.identifier.doi10.14393/BJ-v36n5a2020-41745
dc.identifier.issn1981-3163
dc.identifier.issn1516-3725
dc.identifier.scopus2-s2.0-85089575924
dc.identifier.urihttp://hdl.handle.net/11449/200918
dc.language.isoeng
dc.relation.ispartofBioscience Journal
dc.sourceScopus
dc.subjectAntibiotic resistance
dc.subjectCages
dc.subjectGranulomas
dc.subjectNeobenedenia melleni
dc.subjectPseudotuberculosis
dc.titleIsolation and characterization of pathology in case of massive mortality by photobacterium damselae subsp. Piscicida in rachycentron canadumen
dc.titleIsolamento e caracterização da patologia em caso de mortalidade maciça por photobacterium damselae subsp. Piscicida em rachycentron canadumpt
dc.typeArtigo

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Jaboticabal - CAUNESP - Centro de Aquicultura da Unesp