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dc.contributor.authorErick Pereraes_ES
dc.contributor.authorEnrique Rosell-Molles_ES
dc.contributor.authorFernando Naya-Catalàes_ES
dc.contributor.authorPaula Simó-Mirabetes_ES
dc.contributor.authorJosep Calduch-Gineres_ES
dc.contributor.authorJaume Pérez-Sánchezes_ES
dc.date.accessioned2020-11-17T13:26:06Z-
dc.date.available2020-11-17T13:26:06Z-
dc.date.issued2020-11-16-
dc.identifier.citationFish Physiology and Biochemistryes_ES
dc.identifier.urihttp://hdl.handle.net/10261/223062-
dc.description.abstractThe present study evaluated, in an 18-month gilthead sea bream trial, the time course effects of genetics on individual size variation and growth compensation processes in the offspring of families selected by growth in the PROGENSA breeding program. Families categorized as fast, intermediate and slow growing had different growth trajectories with a more continuous growth in fast growth families. This feature was coincident with a reduced size variation at the beginning of the trial that clustered together the half-sib families sharing the same father. Correlation analysis evidenced that the magnitude of compensatory growth was proportional to the initial size variation with no rescaling of families at this stage. By contrast, the finishing growth depensation process can mask, at least partially, the previous family convergence. This reflects the different contribution across the production cycle of genetics and environmental factors in growth, production and welfare. How early life experiences affect growth compensatory at juvenile stages was also evaluated in a separate cohort, and intriguingly, a first mild-hypoxia pulse at 60-81 days posthatching (dph) increased survival rates by 10% preventing growth impairment when fish were exposed to a second hypoxia episode (112-127 dph). The early hypoxia experience did not have a negative impact on growth compensatory processes at juvenile stages. By contrast, a diminished capacity for growth compensation was found with repeated or late hypoxia experiences. All this reinforces the use of size variation as a main criterion for improving intensive fish farming or selective breeding into practice.es_ES
dc.description.sponsorshipThis work was supported by the project Bream-AquaINTECH: From Nutrition and Genetics to Sea Bream Aquaculture Intensification and Technological Innovation, RTI2018-094128-B-I00. Additional funding was received from the EU project PerformFISH (Integrating Innovative Approaches for Competitive and Sustainable Performance across the Mediterranean Aquaculture Value Chain) (H2020-SFS-2016-2017; 727610). This publication reflects the views only of the authors, and the European Commission cannot be held responsible for any use which may be made of the information contained therein. PSM contract was funded by EU project PerformFISH. EP was founded by a Postdoctoral Research Fellow (Juan de la Cierva-Incorporación, Reference IJCI-2016-27637) from MINECOes_ES
dc.language.isoenges_ES
dc.publisherSpringer Naturees_ES
dc.relationeu-repo/grantAgreement/EC/H2020/727610es_ES
dc.relationMICIU/ICTI2017-2020/RTI2018-094128-B-I00es_ES
dc.relation.isversionofPreprintes_ES
dc.rightsopenAccesses_ES
dc.subjectSize heterogeneityes_ES
dc.subjectGrowth compensationes_ES
dc.subjectEarly life hypoxiaes_ES
dc.subjectSelective breedinges_ES
dc.subjectGilthead sea breames_ES
dc.titleEffects of genetics and early life mild hypoxia on individual growth and size variation in gilthead sea bream (Sparus aurata)es_ES
dc.typeartículoes_ES
dc.identifier.doihttp://dx.doi.org/10.1007/s10695-020-00899-1-
dc.description.peerreviewedNoes_ES
dc.relation.publisherversionhttps://link.springer.com/article/10.1007/s10695-020-00899-1es_ES
dc.contributor.funderMinisterio de Ciencia, Innovación y Universidades (España)es_ES
dc.contributor.funderEuropean Commissiones_ES
dc.contributor.funderMinisterio de Economía y Competitividad (España)es_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000780es_ES
dc.contributor.orcidPerera, Erick [0000-0001-6108-1340]es_ES
dc.contributor.orcidRosell Moll, Enrique [0000-0002-3092-6483]es_ES
dc.contributor.orcidNaya Català, Fernando [0000-0003-0553-109X]es_ES
dc.contributor.orcidSimó Mirabet, Paula [0000-0001-7254-0880]es_ES
dc.contributor.orcidCalduch Giner, Josep [0000-0003-3124-5986]es_ES
dc.contributor.orcidPérez Sánchez, Jaume [0000-0003-2506-1523es_ES
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