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Influence of age on stress responses of White Seabream to Amyloodiniosis

2019Journal article Open access
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dc.contributor.authorMoreira, Márcio
dc.contributor.authorCordeiro-Silva, Anaísa
dc.contributor.authorBarata, Marisa
dc.contributor.authorPousão-Ferreira, Pedro
dc.contributor.authorSoares, Florbela
dc.date.accessioned2020-08-03T12:46:02Z
dc.date.available2020-08-03T12:46:02Z
dc.date.issued2019
dc.description.abstractAmyloodiniosis is a disease that represents a major bottleneck for semi-intensive aquaculture, especially in Southern Europe. The inefficacy of many of the treatments for this disease on marine fish produced in semi-intensive aquaculture has led to a new welfare approach to amyloodiniosis. There is already some knowledge of several welfare issues that lead to amyloodiniosis as well as the stress, physiological, and immunological responses to the parasite by the host, but no work is available about the influence of fish age on the progression of amyloodiniosis. The objective of this work was to determine if stress, hematological, and histopathological responses are age dependent. For that purpose, we determined the mortality rate, histopathological lesions, hematological indexes, and stress responses (cortisol, glucose, lactate, and total protein) in “Small” (total weight: 50 ± 5.1 g, age: 273 days after eclosion (DAE)) and “Big” (total weight: 101.3 ± 10.4 g, age: 571 DAE) white seabream (Diplodus sargus) subjected to an Amyloodinium ocellatum infestation (8000 dinospores mL−1) during a 24-h period. The results demonstrated a strong stress response to A. ocellatum, with marked differences in histopathological alterations, glucose levels, and some hematological indexes between the fish of the two treatments. This work elucidates the need to take in account the size and age of the fish in the development and establishment of adequate mitigating measures and treatment protocols for amyloodiniosis.pt_PT
dc.description.sponsorshipFunding: This study was funded by Projects DIVERSIAQUA (Mar2020 16-02-01-FMP-0066) and SAUDE&AQUA (Mar2020 02.05.01-FEAMP-0009). This study also received Portuguese national funds from FCT—Foundation for Science and Technology through project UID/Multi/04326/2019. Acknowledgments: Márcio Moreira has a PhD grant from FCT (SFRH/BD/118601/2016).pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.3390/fishes4020026pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.1/14571
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectAquaculturept_PT
dc.subjectAmyloodinium ocellatumpt_PT
dc.subjectAgept_PT
dc.subjectPhysiological responsept_PT
dc.subjecthematologypt_PT
dc.subjectHistopathologypt_PT
dc.subjectWelfarept_PT
dc.titleInfluence of age on stress responses of White Seabream to Amyloodiniosispt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue2pt_PT
oaire.citation.startPage26pt_PT
oaire.citation.titleFishespt_PT
oaire.citation.volume4pt_PT
person.familyNameVicente Moreira
person.givenNameMárcio Júlio
person.identifier.ciencia-id6C13-12A0-2CFE
person.identifier.orcid0000-0002-4932-4968
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication56b2d8ee-822a-4b2d-be90-1c0f2b346302
relation.isAuthorOfPublication.latestForDiscovery56b2d8ee-822a-4b2d-be90-1c0f2b346302

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