Gametogenic cycle of the Japanese abalone (ezoawabi), Haliotis discus hannai, during conditioning with effective accumulative temperature
Gametogenic cycle of the Japanese abalone (ezoawabi), Haliotis discus hannai, during conditioning with effective accumulative temperature
复制标题
日本鲍鱼（ezoawabi）、皱纹盘鲍在有效积温调节过程中的配子周期
DOI：
10.1016/0044-8486(94)90512-6
复制
发表时间：
1994
期刊：
影响因子：
4.5
通讯作者：
K. O. Hahn
中科院分区：
文献类型：
--
作者：
K. O. Hahn
以皱纹盘鲍（Haliotis discus hannai）为研究对象，在恒定条件下，采用有效积温（EAT）[EAT = Ti（Ti−7.6°C）]诱导其性腺成熟。试验结束时，性腺发育呈现出从“早期活跃”到“成熟”的过程。性腺组织学观察表明，种群中个体性腺发育正常。在实验过程中，随着EAT的增加，性腺的配子数量增加，配子的发育阶段更高级。配子发生开始于EAT发作，并持续至600 ℃-天。600 ℃ ~ 900 ℃日龄是配子发生的结束和卵黄发生的开始。平均卵母细胞体积在900 ℃后迅速增加，直到1500 ℃时达到最大值。种群中的所有个体都已成熟，并准备在1500 ℃的EAT下产卵。成熟个体易于诱导产卵，所产生的配子有活力且完全成熟。
Adult Japanese abalone (ezoawabi),Haliotis discus hannai, were reared under constant conditions to induced gonad maturation (conditioning) with effective accumulative temperature (EAT) [EAT = Σ(Ti−7.6°C)]. The gonad development showed a progression from ‘early active’ to ‘ripeness’ by the end of the experiment. The gonad histology showed that individuals in the population were undergoing normal gonad development. The gonads had increasing numbers of gametes and the gametes were of more advanced developmental stages as the EAT increased during the experiment. Gametogenesis was initiated with onset of EAT and continued until 600°C-days. The period between 600°C and 900°C-days was the end of gametogenesis and the start of vitellogenesis in the ovary. The mean oocyte volume rapidly increased after 900°C-days until it reached a maximum at 1500°C-days. All individuals in the population were ripe and ready to spawn at an EAT of 1500°C-days. The ripe individuals were easily induced to spawn, and the spawned gametes were viable and fully mature.