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dc.contributor.author Karayücel, Ismihan en_US
dc.contributor.author Penman, David en_US
dc.contributor.author Karayücel, Sedat en_US
dc.contributor.author McAndrew, Brendan en_US
dc.date.accessioned 2012-01-19T20:10:05Z en_US
dc.date.available 2012-01-19T20:10:05Z en_US
dc.date.issued 2003 en_US
dc.identifier.citation Karayücel, I., Penman, D., Karayücel, S., & McAndrew, B. (2003). Thermal And Hormonal Feminization Of All Male YY Nile Tilapia, Oreochromis Niloticus L.. The Israeli Journal of Aquaculture - Bamidgeh, 55(2), 114-122. en_US
dc.identifier.issn 0792-156X en_US
dc.identifier.uri http://hdl.handle.net/10524/19074 en_US
dc.description.abstract Hormonal and thermal sex reversal of YY male Oreochromis niloticus were compared. While similar percentages of females (34% and 32%, respectively) were produced, a significantly high- er percent of intersex individuals (18.5%) was produced in the heat (36oC) 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. en_US
dc.format.extent 9 pages en_US
dc.publisher Israeli Journal of Aquaculture - BAMIGDEH en_US
dc.relation.ispartofseries The Israeli Journal of Aquaculture - Bamidgeh en_US
dc.subject diethylstilbestrol, hormonal sex-reversal, thermal sex-reversal, tilapia en_US
dc.subject.lcsh Fish culture--Israel--Periodicals. en_US
dc.subject.lcsh Fish culture--Periodicals. en_US
dc.subject.lcsh Aquaculture--Israel--Periodicals. en_US
dc.subject.lcsh Aquaculture--Periodicals. en_US
dc.title Thermal And Hormonal Feminization Of All Male YY Nile Tilapia, Oreochromis Niloticus L. en_US

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