CAJ | 학술논문

[目的]探讨南方白甲鱼卵巢发育的组织学特点。[方法]采用组织学方法对南方白甲鱼卵巢周年变化和卵母细胞发育进行了观察研究。[结果]南方白甲鱼卵巢发育分为6期,其卵母细胞相应地划分为6个时相,其中第Ⅰ时相的卵母细胞呈原始分化状态;第Ⅱ时相卵母细胞出现明显的卵黄核;第Ⅲ时相卵母细胞出现液泡;第Ⅳ时相卵母细胞分化明显,卵黄颗粒部分融合;第Ⅴ、Ⅵ时相分别为卵子形成和退化吸收时相。卵巢发育为不完全同步型,属多次产卵。南方白甲鱼的产卵季节自每年的4月开始,盛期为5-7月。[结论]为南方白甲鱼的人工繁育提供了技术参数。
[목적]탐토남방백갑어란소발육적조직학특점。[방법]채용조직학방법대남방백갑어란소주년변화화란모세포발육진행료관찰연구。[결과]남방백갑어란소발육분위6기,기란모세포상응지화분위6개시상,기중제Ⅰ시상적란모세포정원시분화상태;제Ⅱ시상란모세포출현명현적란황핵;제Ⅲ시상란모세포출현액포;제Ⅳ시상란모세포분화명현,란황과립부분융합;제Ⅴ、Ⅵ시상분별위란자형성화퇴화흡수시상。란소발육위불완전동보형,속다차산란。남방백갑어적산란계절자매년적4월개시,성기위5-7월。[결론]위남방백갑어적인공번육제공료기술삼수。
[Objective] The aim was to discuss the histological characteristics of ovary development of Varicorhinus gerlachi.[Method] The annual variation of ovary and oocyte development of Varicorhinus gerlachi were observed and studied by means of histological method.[Result] Ovary development of Varicorhinus gerlachi was divided into 6 stages,and oocyte development had 6 phases,namely oocytes were in original differentiation state in phase Ⅰ,and yolk nucleus could be found obviously in phase Ⅱ.Vacuoles appeared in oocyte in phase Ⅲ,while oocytes differentiated obviously in phase Ⅳ,with the amalgamation of some yolk granules.Eggs formed and oocytes degenerated in phase V and Ⅵ.The development of ovary belonged to non-synchronous and multiple spawning type.In addition,Varicorhinus gerlachi began to spawn in April,and peak period was from May to July.[Conclusion] The study could provide technical parameters for the artificial propagation of Varicorhinus gerlachi.