Genetic parameters for survival during the grow-out period in the GIFT strain of Nile tilapia (Oreochromis niloticus) and correlated response to selection for harvest weight

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cg.authorship.typesCGIAR and developing country instituteen
cg.authorship.typesCGIAR and advanced research instituteen
cg.contributor.affiliationUniversiti Sains Malaysiaen
cg.contributor.affiliationNational Prawn Fry Production and Research Center, Malaysiaen
cg.contributor.affiliationWorldFishen
cg.contributor.affiliationAin Shams Universityen
cg.contributor.affiliationUniversity of the Sunshine Coasten
cg.contributor.affiliationUniversidad de la República, Uruguayen
cg.contributor.crpLivestock and Fish
cg.howPublishedFormally Publisheden
cg.identifier.doihttps://doi.org/10.1111/are.12859en
cg.isijournalISI Journalen
cg.issn1365-2109en
cg.issue1en
cg.journalAquaculture Researchen
cg.reviewStatusPeer Reviewen
cg.subject.ilriANIMAL BREEDINGen
cg.subject.ilriFISHen
cg.subject.ilriGENETICSen
cg.subject.ilriRESEARCHen
cg.volume48en
dc.contributor.authorHamzah, A.en
dc.contributor.authorMekkawy, Wagdyen
dc.contributor.authorHooi Ling Khawen
dc.contributor.authorNguyen Hong Nguyenen
dc.contributor.authorHoong Yip Yeeen
dc.contributor.authorAbu Bakar, Khairul Rizalen
dc.contributor.authorNor, S.A.M.en
dc.contributor.authorPonzoni, R.W.en
dc.date.accessioned2016-03-10T14:53:09Zen
dc.date.available2016-03-10T14:53:09Zen
dc.identifier.urihttps://hdl.handle.net/10568/72554
dc.titleGenetic parameters for survival during the grow-out period in the GIFT strain of Nile tilapia (Oreochromis niloticus) and correlated response to selection for harvest weighten
dcterms.abstractThe aims of this study were the estimation of genetic parameters for survival rate from tagging until harvest and the evaluation of the correlated response in survival rate to selection for harvest weight in the genetically improved farmed tilapia (GIFT) strain. The heritability for survival rate was low (0.038), and so was its genetic correlation with harvest weight (0.065), suggesting that selecting for the latter trait would have had no effect on survival. The calculation of the probability of survival by spawning season and line, fitting a model that included the random effects of individual animal and common environment, confirmed this prediction. There were very small and variable between line differences in the probability of survival, which generally favoured the selection line. We conclude that the focus of the GIFT programme on improving harvest weight was not detrimental to the survival of the fish during the grow-out phase.en
dcterms.accessRightsOpen Access
dcterms.audienceScientistsen
dcterms.available2015-07-30
dcterms.bibliographicCitationHamzah, A., Mekkawy, W., Hooi Ling Khaw, Nguyen Hong Nguyen, Hoong Yip Yee, Abu Bakar, K.R., Nor, S.A.M. and Ponzoni, R.W. 2015. Genetic parameters for survival during the grow-out period in the GIFT strain of Nile tilapia (Oreochromis niloticus) and correlated response to selection for harvest weight. Aquaculture Researchen
dcterms.extentpp. 47-55en
dcterms.issued2017-01
dcterms.languageen
dcterms.licenseCopyrighted; all rights reserved
dcterms.publisherHindawi Limiteden
dcterms.subjectfishesen
dcterms.subjectresearchen
dcterms.subjectgenetic correlationen
dcterms.typeJournal Article

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