Thermal and hormonal feminization of all male YY Nile tilapia, Oreochromis niloticus L.

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dc.authoridKarayucel, Sedat/0000-0002-3874-1010
dc.authoridKarayucel, Ismihan/0000-0003-2520-7545
dc.contributor.authorKarayücel, I
dc.contributor.authorPenman, D
dc.contributor.authorKarayücel, S
dc.contributor.authorMcAndrew, B
dc.date.accessioned2025-03-23T19:48:33Z
dc.date.available2025-03-23T19:48:33Z
dc.date.issued2003
dc.departmentSinop Üniversitesi
dc.description.abstractHormonal and thermal sex reversal of YY male Oreochromis niloticus were compared. While similar percentages of females (34% and 32%, respectively) were produced, a significantly higher percent of intersex individuals (18.5%) was produced in the heat (36 degreesC) treatment than in the group treated with diethylstilbestrol (DES; 1.6%). The heat-treated groups had 62.6% survival, compared to 97.0% and 97.3% in the control and DES-treated groups, respectively. Our results demonstrate that a high temperature treatment can be an alternative to hormonal sex-reversal treatments for YY male O. niloticus. Although the low survival and high occurrence of intersex individuals may limit its use, it can be used to produce large numbers of YY male broodstock in countries where hormone use is illegal and/or consumer reaction to hormonally-treated fish is negative.
dc.identifier.endpage122
dc.identifier.issn0792-156X
dc.identifier.issue2
dc.identifier.scopusqualityQ4
dc.identifier.startpage114
dc.identifier.urihttps://hdl.handle.net/11486/7618
dc.identifier.volume55
dc.identifier.wosWOS:000184273900005
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.language.isoen
dc.publisherIsraeli Journal Of Aquaculture-Bamidgeh
dc.relation.ispartofIsraeli Journal of Aquaculture-Bamidgeh
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250323
dc.subjectdiethylstilbestrol
dc.subjecthormonal sex-reversal
dc.subjectthermal sex-reversal
dc.subjecttilapia
dc.titleThermal and hormonal feminization of all male YY Nile tilapia, Oreochromis niloticus L.
dc.typeArticle

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