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Study on the Short-Term Preservation of Gametes, Cross-Stimulation of Oocytes by Distant Sperm, and the Impact of Cold-Stimulated Fertilized Eggs on Eyes in the Celestial Goldfish

文献类型： 外文期刊

作者： Li, Rongni 1 ; Sun, Yansheng 1 ; Zhang, Xin 1 ; Li, Wentong 1 ;

作者机构： 1.Beijing Acad Agr & Forestry Sci, Inst Fisheries Sci, Beijing 100097, Peoples R China

关键词： celestial rate of goldfish; gamete preservation; distant hybridization; pre-fertilization treatment; ploidy analysis

期刊名称：APPLIED SCIENCES-BASEL （ 影响因子：2.7； 五年影响因子：2.9 ）

ISSN：

年卷期： 2024 年 14 卷 9 期

页码：

收录情况： SCI

摘要： This study layed the groundwork for the creation of haploid and triploid celestial goldfish, presenting essential data derived from preliminary investigations. The research delved into three main areas: the short-term preservation of celestial goldfish gametes, the interaction between oocytes and foreign sperm, and the effects of temperature on fertilized eggs concerning hatching rates and late-stage ocular development. Initially, the study explored the optimal semen dilution ratio for celestial goldfish under microscopic examination. And the hybridization of the largemouth bass and celestial goldfish was investigated: largemouth bass sperm was crossbred with celestial goldfish eggs, and it was found that their sperm could not stimulate the development of celestial eye eggs. At last, celestial goldfish fertilized eggs were stimulated at 4 degrees C and -20 degrees C, respectively, to observe their impact on the hatching rate and later celestial eye rate. The results revealed no significant differences in hatching rate and celestial eye rate between the cold stimulus groups and the control group, but numerically, the 4 degrees C cold stimulation reduced the celestial eye rate of celestial goldfish fertilized eggs. The research provided fundamental data for artificial breeding and hybridization experiments in celestial goldfish.

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