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Interactive effects of a high-quality protein diet and high stocking density on the stress response and some innate immune parameters of Senegalese sole Solea senegalensis

2013Journal article Restricted access
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dc.contributor.authorCostas, B.
dc.contributor.authorAragão, C.
dc.contributor.authorDias, J.
dc.contributor.authorAfonso, A.
dc.contributor.authorConceição, L. E. C.
dc.date.accessioned2014-07-02T12:37:55Z
dc.date.available2014-07-02T12:37:55Z
dc.date.issued2013
dc.date.updated2014-06-27T15:23:39Z
dc.description.abstractAmino acids (AA) regulate key metabolic pathways, including some immune responses. Therefore, this study aimed to assess whether an increased availability of dietary AA can mitigate the expected increase in plasma cortisol and metabolites levels due to high stocking density and its subsequent immunosuppression. Senegalese sole (Solea senegalensis) were maintained at low stocking density (LSD; 3.5 kg m−2) or high stocking density (HSD; 12 kg m−2) for 18 days. Additionally, both treatments were fed a control or a high protein (HP) diet (LSD, LSD HP, HSD and HSD HP). The HP diet slightly increased the levels of digestible indispensable AA, together with tyrosine and cysteine. HSD was effective in inducing a chronic stress response after 18 days of treatment since fish held at HSD presented higher plasma cortisol, glucose and lactate levels. Moreover, this increase in stress indicators translated in a decrease in plasma lysozyme, alternative complement pathway (ACP) and peroxidase activities, suggesting some degree of immunosuppression. Interestingly, while plasma glucose and lactate levels in HSD HP specimens decreased to similar values than LSD fish, plasma lysozyme, ACP and peroxidase activities increased, with even higher values than LSD groups for ACP activity. It is suggested that the HP diet may be used as functional feed since it may represent a metabolic advantage during stressful events and may counteract immunosuppression in sole.por
dc.identifier.citationCostas, B.; Aragão, C.; Dias, J.; Afonso, A.; Conceição, L.E.C.Interactive effects of a high-quality protein diet and high stocking density on the stress response and some innate immune parameters of Senegalese sole Solea senegalensis, Fish Physiology and Biochemistry, 39, 5, 1141-11, 2013.por
dc.identifier.doihttp://dx.doi.org/ 10.1007/s10695-013-9770-1
dc.identifier.issn0920-1742
dc.identifier.urihttp://hdl.handle.net/10400.1/4614
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherSpringer Verlagpor
dc.relation.publisherversionhttp://link.springer.com/article/10.1007%2Fs10695-013-9770-1por
dc.subjectArgininepor
dc.subjectComplement activitypor
dc.subjectCortisolpor
dc.subjectHigh densitypor
dc.subjectLysozyme activitypor
dc.subjectNitric oxidepor
dc.titleInteractive effects of a high-quality protein diet and high stocking density on the stress response and some innate immune parameters of Senegalese sole Solea senegalensispor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage1151por
oaire.citation.issue5por
oaire.citation.startPage1141por
oaire.citation.titleFish Physiology and Biochemistrypor
oaire.citation.volume39por
person.familyNameAragão
person.givenNameCláudia
person.identifier174173
person.identifier.ciencia-idD01E-0726-9F3E
person.identifier.orcid0000-0002-9217-0183
person.identifier.ridK-2310-2012
person.identifier.scopus-author-id55903315700
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublicationbc649967-3b39-41dc-8fab-b60c24e65286
relation.isAuthorOfPublication.latestForDiscoverybc649967-3b39-41dc-8fab-b60c24e65286

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