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dc.contributor.author Xu, Tian-jun en_US
dc.contributor.author Chen, Song-Lin en_US
dc.date.accessioned 2012-01-19T20:27:25Z
dc.date.available 2012-01-19T20:27:25Z
dc.date.issued 2010 en_US
dc.identifier.citation Xu, T., & Chen, S. (2010). Induction of All-triploid Japanese Flounder (Paralichthys olivaceus) by Cold Shock. The Israeli Journal of Aquaculture - Bamidgeh, 62(1), 43-49. en_US
dc.identifier.issn 0792-156X en_US
dc.identifier.uri http://hdl.handle.net/10524/19309
dc.description.abstract Cold shock is a useful method of inducing triploidy in some fish species. In this paper, triploidy in Japanese flounder (Paralichthys olivaceus) was induced by applying cold shocks of 3°C, three or four minutes after fertilization, for 15, 25, 35, 45, 55, or 65 min. Ploidy of fry was analyzed using a ploidy analyzer. Survival was lower in treatments shocked at four minutes than in treatments shocked at three minutes after fertilization, and decreased as the duration of the cold shock increased. The abnormality rate increased with the shock duration. The best results were achieved in the treatment shocked three minutes after fertilization for 25 min, resulting in 100% triploidy with the highest survival rate (93.27%) and one of the lowest abnormality rates (15.87%). This study shows that cold shock is a highly effective method for inducing triploidy in the Japanese flounder. en_US
dc.format.extent 7 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 Japanese flounder (Paralichthys olivaceus), triploidy induction, cold shock 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 Induction of All-triploid Japanese Flounder (Paralichthys olivaceus) by Cold Shock en_US

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