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First Observations of Intersex Development in Paddlefish Polyodon spathula
Journal of Fish Biology ( IF 2 ) Pub Date : 2020-07-27 , DOI: 10.1111/jfb.14442 Jason D Schooley 1 , Adam Geik 2 , Dennis L Scarnecchia 3
Journal of Fish Biology ( IF 2 ) Pub Date : 2020-07-27 , DOI: 10.1111/jfb.14442 Jason D Schooley 1 , Adam Geik 2 , Dennis L Scarnecchia 3
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Here we report the first cases of intersex (abnormal development of both male and female reproductive tissues in a gonad) Paddlefish Polyodon spathula, an Acipenseriform species of large rivers in the central United States and in aquaculture worldwide. Despite a large, multi-decadal dataset in Oklahoma, Montana, and North Dakota, intersex development was not observed until 2019, when two individuals were harvested from the Grand Lake / Neosho River stock in Oklahoma. This suggests that intersex development in mid-water, zooplanktivorous Paddlefish is rarer than in bottom-dwelling sturgeons for which intersex development is regularly observed. Although contaminants are implicated in causing intersex development in other Acipenseriformes, more investigation is needed.
中文翻译:
白鲟 Polyodon spathula 双性发育的首次观察
在这里,我们报告了第一例双性人(性腺中雄性和雌性生殖组织发育异常)白鲟Polyodon spathula,美国中部和世界范围内水产养殖的大型河流中的一种Acipenseriform 物种。尽管在俄克拉荷马州、蒙大拿州和北达科他州有一个大型的、跨年代的数据集,但直到 2019 年才观察到双性人的发展,当时从俄克拉荷马州的 Grand Lake / Neosho River 种群中收获了两个个体。这表明中水、浮游动物的白鲟的双性发育比经常观察到双性发育的底栖鲟鱼更罕见。尽管污染物与其他 Acipenseriformes 的双性发育有关,但还需要进行更多调查。
更新日期:2020-07-27
中文翻译:
白鲟 Polyodon spathula 双性发育的首次观察
在这里,我们报告了第一例双性人(性腺中雄性和雌性生殖组织发育异常)白鲟Polyodon spathula,美国中部和世界范围内水产养殖的大型河流中的一种Acipenseriform 物种。尽管在俄克拉荷马州、蒙大拿州和北达科他州有一个大型的、跨年代的数据集,但直到 2019 年才观察到双性人的发展,当时从俄克拉荷马州的 Grand Lake / Neosho River 种群中收获了两个个体。这表明中水、浮游动物的白鲟的双性发育比经常观察到双性发育的底栖鲟鱼更罕见。尽管污染物与其他 Acipenseriformes 的双性发育有关,但还需要进行更多调查。