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The effects of stocking density on physiological traits in Holothuria forskali broodstock

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dc.contributor.authorSousa, João
dc.contributor.authorFélix, Pedro M.
dc.contributor.authorBrito, Ana C.
dc.contributor.authorVenâncio, Eliana
dc.contributor.authorSilva, Francisco Azevedo e
dc.contributor.authorSimões, Tomás
dc.contributor.authorRaposo, Andreia
dc.contributor.authorNeves, Marta
dc.contributor.authorNarciso, Luís
dc.contributor.authorMelo, Ricardo
dc.contributor.authorPombo, Ana
dc.date.accessioned2021-02-17T15:17:21Z
dc.date.available2021-02-17T15:17:21Z
dc.date.issued2020
dc.descriptionhttps://onlinelibrary.wiley.com/doi/abs/10.1111/are.15007pt_PT
dc.descriptionThis work was financed by the Operational Program Mar2020 nº MAR-02.01.01-FEAMP-0052 ‘Newcumber - Avanços para o cultivo sustentável de pepinos-do-mar'. It received further financial support from Fundação para a Ciência e a Tecnologia (project UIDB/04292/2020). A.C. Brito was also supported by Fundação para a Ciência e a Tecnologia, through the FCT Investigator (IF/00331/2013) and Scientific Employment Stimulus Programmes (CEECIND/00095/2017).
dc.descriptionThis work was financed by the Operational Program Mar2020 nº MAR-02.01.01-FEAMP-0052 ‘Newcumber - Avanços para o cultivo sustentável de pepinos-do-mar'. It received further financial support from Fundação para a Ciência e a Tecnologia (project UIDB/04292/2020). A.C. Brito was also supported by Fundação para a Ciência e a Tecnologia, through the FCT Investigator (IF/00331/2013) and Scientific Employment Stimulus Programmes (CEECIND/00095/2017).
dc.description.abstractThe high demand of sea cucumbers in international markets, mostly based in Asia, has left a deep impact on the natural stock of many species, leading to an investment in aquaculture techniques in order to mitigate these impacts. This study aimed to determine the effects of stock density in rearing broodstock of Holothuria (Panningoturia) forskali Delle Chiaje, 1823, a common species in the Mediterranean Sea and eastern Atlantic with commercial value. To do so, two different density treatments were selected: 1 kg/m2 and 2 kg/m2. The trial took place over five months and individuals were fed a mixture of frozen microalgae (Tetraselmis sp. and Phaeodactylum tricornutum). At the end of the trial, the effects of stock density on the individuals’ condition were assessed by analysing different variables, namely their fresh and gutted weight, evisceration and mortality rates, gonadosomatic index and oocyte size and even biochemical content, such as protein and lipid content in muscle bands. No significant differences were found between density treatments regarding any of the parameters assessed, aside from mean oocyte diameter. Individuals from the lower-density treatment presented a smaller mean oocyte diameter, supplied with fewer oocytes, than individuals in both the higher-density treatment and the baseline group. Regardless of this one difference, all trial individuals were able to maintain their elevated gonadal developmental stage for a full period of five months past their reproductive peak, with female holothurians subjected to the higher-density treatment showing signs of increasing vitellogenic reserves, a considerable advantage in aquaculture broodstock rearing.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSousa, J., Félix, P.M., Brito, A.C., et al. The effects of stocking density on physiological traits in Holothuria forskali broodstock. Aquaculture Research. 2020; 00:1-13. https://doi.org/10.111/are.15007pt_PT
dc.identifier.doi10.111/are.15007pt_PT
dc.identifier.issn1365-2109
dc.identifier.urihttp://hdl.handle.net/10400.8/5368
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherJohn Wiley & Sonspt_PT
dc.relationMarine and Environmental Sciences Centre
dc.relationNot Available
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectAquaculturept_PT
dc.subjectEchinodermatapt_PT
dc.subjectGonadosomatic indexpt_PT
dc.subjectHistologypt_PT
dc.subjectSea cucumberpt_PT
dc.subjectStock densitypt_PT
dc.titleThe effects of stocking density on physiological traits in Holothuria forskali broodstockpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMarine and Environmental Sciences Centre
oaire.awardTitleNot Available
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04292%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/CEEC IND 2017/CEECIND%2F00095%2F2017%2FCP1387%2FCT0038/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/Investigador FCT/IF%2F00331%2F2013%2FCP1159%2FCT0001/PT
oaire.citation.endPage13pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleAquaculture Researchpt_PT
oaire.citation.volume00pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamCEEC IND 2017
oaire.fundingStreamInvestigador FCT
person.familyNameTrigo de Sousa
person.familyNameFélix
person.familyNameVenâncio
person.familyNameRaposo
person.familyNamede Melo Lopes Neves
person.familyNamePombo
person.givenNameJoão
person.givenNamePedro
person.givenNameEliana
person.givenNameAndreia
person.givenNameMarta Maria
person.givenNameAna
person.identifier547019
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person.identifier.ciencia-id7D13-ECB1-007B
person.identifier.ciencia-id8C17-0055-516C
person.identifier.ciencia-idC313-CDAD-984E
person.identifier.ciencia-idEF15-1119-B28F
person.identifier.ciencia-id0F1C-22B0-7990
person.identifier.orcid0000-0001-9635-0088
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person.identifier.orcid0000-0003-1553-4745
person.identifier.orcid0000-0003-1397-9206
person.identifier.scopus-author-id35573179700
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project.funder.identifierhttp://doi.org/10.13039/501100001871
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
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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