Production Of Androgenetic Nile Tilapia, Oreochromis Niloticus L.: Optimization Of Heat Shock Duration And Application Time To Induce Diploidy
Production Of Androgenetic Nile Tilapia, Oreochromis Niloticus L.: Optimization Of Heat Shock Duration And Application Time To Induce Diploidy
dc.contributor.author | Karayücel, Sedat | |
dc.contributor.author | Karayücel, Ismihan | |
dc.contributor.author | Penman, David | |
dc.contributor.author | McAndrew, Brendan | |
dc.date.accessioned | 2012-01-19T20:09:06Z | |
dc.date.available | 2012-01-19T20:09:06Z | |
dc.date.issued | 2002 | |
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. | |
dc.format.extent | 12 pages | |
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. | |
dc.identifier.issn | 0792-156X | |
dc.identifier.uri | http://hdl.handle.net/10524/19061 | |
dc.publisher | Israeli Journal of Aquaculture - BAMIGDEH | |
dc.relation.ispartofseries | The Israeli Journal of Aquaculture - Bamidgeh | |
dc.subject | androgenesis, diploidy, tilapia | |
dc.subject.lcsh | Fish culture--Israel--Periodicals. | |
dc.subject.lcsh | Fish culture--Periodicals. | |
dc.subject.lcsh | Aquaculture--Israel--Periodicals. | |
dc.subject.lcsh | Aquaculture--Periodicals. | |
dc.title | Production Of Androgenetic Nile Tilapia, Oreochromis Niloticus L.: Optimization Of Heat Shock Duration And Application Time To Induce Diploidy |
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