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首页> 外文期刊>日本水産学会誌 >Changes in ovarian histology and serum sex hormone levels of Lavender jobfish Pristipomoides sieboldii preserved under refrigerated conditions
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Changes in ovarian histology and serum sex hormone levels of Lavender jobfish Pristipomoides sieboldii preserved under refrigerated conditions

机译:冷藏条件下保存的薰衣草作业鱼Pristipomoides sieboldii卵巢组织学和血清性激素水平的变化

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摘要

In order to restore the stock of Lavender jobfish Pristipomoides sieboldii, we investigated differences in ovarian histology and serum sex steroid hormone (testosterone and 17-beta estradiol) levels between the time of collection and after 24 hours of refrigeration. Additionally, the maturation process of eggs and differences in ovary location-dependent egg development were examined. In mid-May 2012, 12 females were caught by fishing at Shirama-zone near Ie Island, Okinawa. Gonads and blood were collected immediately after fishing and again after 24 hours of refrigeration. Histological observation of the ovaries revealed that there was no difference in location dependent egg development, and that oogenic germ cells from oogonia to mature oocytes were localized in the ovary simultaneously. Additionally, we showed that ovarian tissue did not exhibit histological differences, whereas sex steroid hormone levels differed between the time of collection and after 24 hours of refrigeration.
机译:为了恢复薰衣草工作鱼Pristipomoides sieboldii的种群,我们调查了从收集时间到冷藏24小时后卵巢组织学和血清性类固醇激素(睾丸激素和17-β雌二醇)水平的差异。另外,检查了卵的成熟过程和卵巢位置依赖性卵发育的差异。 2012年5月中旬,在冲绳县伊埃岛附近的Shirama地区,有12名女性被捕。钓鱼后立即收集性腺和血液,冷藏24小时后再次收集。卵巢的组织学观察表明,位置依赖性卵的发育没有差异,并且从卵子到成熟卵母细胞的卵生生殖细胞同时定位在卵巢中。此外,我们发现卵巢组织没有表现出组织学差异,而在收集时间和冷藏24小时后,性类固醇激素水平却有所不同。

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