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Assessment of Holothuria arguinensis feeding rate, growth and absorption efficiency under aquaculture conditions

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dc.contributor.authorDOMINGUEZ GODINO, JORGE ANTONIO
dc.contributor.authorGonzalez-Wanguemert, Mercedes
dc.date.accessioned2020-07-24T10:53:22Z
dc.date.available2020-07-24T10:53:22Z
dc.date.issued2019
dc.description.abstractHolothuria arguinensis is a potential species for sea cucumber aquaculture in Europe. In a first experiment, feeding rate (FR), growth, absorption efficiency (AE) and survival of adults (135.01 +/- 10.87g eviscerated weight) were assessed under sediment tank conditions. In a second experiment, the feasibility to use sea bream (Sparus aurata) biodeposits as a food source was studied for adults (168.69 +/- 14.59g eviscerated weight). Individuals in the first experiment showed an increase of weight (specific growth rate (SGR)=0.2% d(-1)), positive FRs and mean value of AE close to 80% with a mean organic matter content of 90.07 +/- 11.5mg/g in the offered sediment. Sea cucumbers fed with fish biodeposits showed a reduction of weight (SGR<-0.14%d(-1)), low FRs and negative values of AE. The influence of low salinity and temperature during experiments should be considered to explain these results. Indeed, sea cucumbers can be affected by a decrease of these parameters during winter months resulting in a period of inactivity.
dc.description.sponsorshipFundacao para a Ciencia e a TecnologiaPortuguese Foundation for Science and Technology [PTDC/MAR/119363/2010, PTDC/MAR-BIO/5948/2014]
dc.description.sponsorshipFundacao para a Ciencia e a Tecnologia (FCT) postdoctoral grant [SFRH/BPD/70689/2010]
dc.description.sponsorshipFCT Investigator Programme-Career Development [IF/00998/2014]
dc.identifier.doi10.1080/00288330.2018.1480499
dc.identifier.issn0028-8330
dc.identifier.issn1175-8805
dc.identifier.urihttp://hdl.handle.net/10400.1/14483
dc.language.isoeng
dc.peerreviewedyes
dc.publisherTaylor & Francis Ltd
dc.relationSea cucumbers: the new resource for a hungry fishery (CUMFISH)
dc.relationCRACKING THE SYSTEM: THE ROLE OF GENETIC DIVERSITY ON ECOSYSTEM COMPLEXITY
dc.subjectCucumber Apostichopus-Japonicus
dc.subjectJuvenile sea-cucumber
dc.subjectRia Formosa
dc.subjectAustralostichopus-mollis
dc.subjectStichopus-chloronotus
dc.subjectDistribution patterns
dc.subjectDigestive strategies
dc.subjectOxygen-consumption
dc.subjectTemperature
dc.subjectEchinodermata
dc.titleAssessment of Holothuria arguinensis feeding rate, growth and absorption efficiency under aquaculture conditions
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleSea cucumbers: the new resource for a hungry fishery (CUMFISH)
oaire.awardTitleCRACKING THE SYSTEM: THE ROLE OF GENETIC DIVERSITY ON ECOSYSTEM COMPLEXITY
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FMAR%2F119363%2F2010/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F70689%2F2010/PT
oaire.citation.endPage76
oaire.citation.issue1
oaire.citation.startPage60
oaire.citation.titleNew Zealand Journal of Marine and Freshwater Research
oaire.citation.volume53
oaire.fundingStream3599-PPCDT
person.familyNameDOMINGUEZ GODINO
person.familyNameGonzalez-Wanguemert
person.givenNameJORGE ANTONIO
person.givenNameMercedes
person.identifier.orcid0000-0001-6413-7629
person.identifier.orcid0000-0002-0656-358X
person.identifier.ridM-3467-2013
person.identifier.scopus-author-id55919084100
person.identifier.scopus-author-id55898776000
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccess
rcaap.typearticle
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relation.isAuthorOfPublication480ebbab-0b12-422b-90f4-998970e3aa00
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