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dc.contributor.author Karayücel, Sedat en_US
dc.contributor.author Karayücel, Ismihan en_US
dc.contributor.author Penman, David en_US
dc.contributor.author McAndrew, Brendan en_US
dc.date.accessioned 2012-01-19T20:09:06Z en_US
dc.date.available 2012-01-19T20:09:06Z en_US
dc.date.issued 2002 en_US
dc.identifier.citation Karayücel, S., Karayücel, I., Penman, D., & McAndrew, B. (2002). Production Of Androgenetic Nile Tilapia, Oreochromis Niloticus L.: Optimization Of Heat Shock Duration And Application Time To Induce Diploidy. The Israeli Journal of Aquaculture - Bamidgeh, 54(4), 145-156. en_US
dc.identifier.issn 0792-156X en_US
dc.identifier.uri http://hdl.handle.net/10524/19061 en_US
dc.description.abstract Diploid androgenetic Nile tilapia, Oreochromis niloticus, were produced using 5 min UV irradia- tion at 150 μW/cm and heat shock at 42.5oC for 3:30 min applied 25 min after fertilization. The survival rates to morula, pigmentation, hatching and yolk sac resorption stages were 42.84±4.73%, 10.69±2.24%, 2.03±0.60% and 0.07±0.07% (relative to controls), respectively. A significant female, but not male, effect on the survival was confirmed. Multilocus DNA finger- printing produced by hypervariable 33.15 DNA probe verified the all-paternal inheritance in the androgens. The sex ratio of the androgenetic tilapia was not significantly different from the expected ratio of 1:0 (male:female), indicating that O. niloticus has a monofactorial sex-deter- mining mechanism with female homogamety and male heterogamety. This study confirmed that the YY genotype is viable and fertile in O. niloticus. en_US
dc.format.extent 12 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 androgenesis, diploidy, 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 Production Of Androgenetic Nile Tilapia, Oreochromis Niloticus L.: Optimization Of Heat Shock Duration And Application Time To Induce Diploidy en_US

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