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Histopathologic lesions in bivalve mollusks found in Portugal : etiology and risk factors

2022-02Artigo científico Acesso aberto
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dc.contributor.authorPires, Daniel
dc.contributor.authorGrade, Ana
dc.contributor.authorRuan, Francisco
dc.contributor.authorAfonso, Fernando
dc.date.accessioned2022-04-24T23:07:56Z
dc.date.available2022-04-24T23:07:56Z
dc.date.issued2022-02
dc.descriptionResearch Areas: Engineering ; Oceanographypt_PT
dc.description.abstract: Bivalve mollusks are an important resource due to their socioeconomic value and to the historical and genetic value of some species. Two nationally important oyster species-Portuguese oyster (Crassostrea angulata) and Japanese oyster (Crassostrea gigas) from distinctive areas in Portugal were studied to evaluate their sanitary status. Oysters were sampled from four different sites in Portugal. Oysters collected from Japanese oyster populations were cultivated in a strong oceaninfluenced environment and Portuguese oyster populations were cultivated in wild-beds. The histopathological examination of both oyster species revealed the presence of parasites in gills, mantle epithelium, digestive gland tubules and connective tissue, with a moderate prevalence. In both populations was observed hemocytosis in the connective tissue, edema and metaplasia in the digestive gland and tissues necrosis. In wild populations from Sado and Mira estuaries the prevalence of mud blisters and gill lesions were higher than from populations produced on 0.50 m tables from mudflats. Biosecurity measures and diagnostic techniques are fundamental to control pathogenic agents, including the identification of pathogens at an early stage in their life cycles. This will prevent diseases and improve pathogen reduction on transport of animals from different countries and regions to new production areas to avoid the transmission of diseasespt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationPires D, Grade A, Ruano F, Afonso F. 2022. Histopathologic lesions in bivalve mollusks found in Portugal : etiology and risk factors. Journal of Marine Science and Engineering, 10(2):133. Doi: org/10.3390/jmse10020133pt_PT
dc.identifier.doi10.3390/jmse10020133pt_PT
dc.identifier.eissn2077-1312
dc.identifier.urihttp://hdl.handle.net/10400.5/24155
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherBasel, Switzerlandpt_PT
dc.relationMAR2020: MAR-02.05.01-FEAMP-0010pt_PT
dc.relation.publisherversionhttps://www.mdpi.com/2077-1312/10/2/133pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectBivalve molluskspt_PT
dc.subjectOysterspt_PT
dc.subjectHistopathologypt_PT
dc.subjectParasitespt_PT
dc.titleHistopathologic lesions in bivalve mollusks found in Portugal : etiology and risk factorspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.conferencePlaceBasel, Switzerlandpt_PT
oaire.citation.titleJournal of Marine Science and Engineeringpt_PT
oaire.citation.volume10(2):133pt_PT
person.familyNameAfonso
person.givenNameFernando
person.identifier756426
person.identifier.ciencia-idBB15-CE88-1FA7
person.identifier.orcid0000-0003-3944-9190
person.identifier.scopus-author-id36720125800
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationc9a31d2c-8c20-4517-94fa-5355ced293d4
relation.isAuthorOfPublication.latestForDiscoveryc9a31d2c-8c20-4517-94fa-5355ced293d4

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