换一批
换一批摘要[Objective] The cold shock method was used to induce diploid gynngenesis of Silurus astus. [Mthod] The Silurus astus sperms were irradia-ted by ultraviolet, then conducted for fertilization. The different cold shock starting time and duration were set to observe diploid gynogenesis of Silurus as-tus. [Result] Under such inducing condition that ultraviolet irradiated 15 min,cold shock started 5 min after fertilization, and cold shock duartion was 40 min,the survival rate of diploid Silurus astus reached the highest(8.5% ). [Conclusion] The experiment laid foundation for culturing new excellent Silu- rus astus variety and accumulated original files for further study of gynogenesis development mechanism.
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分类号
S9
栏目名称
动物科学
DOI
10.3969/j.issn.1009-4229-B.2008.02.035
发布时间
2008-11-04
基金项目
河南省科技攻关项目
河南省重点学科建设项目
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