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首页> 外文期刊>Comparative parasitology >Infections of Gyrodactylus crysoleucas and Gyrodactylus sp (Monogenea) at a Golden Shiner (Notemigonus crysoleucas) Farm in Minnesota
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Infections of Gyrodactylus crysoleucas and Gyrodactylus sp (Monogenea) at a Golden Shiner (Notemigonus crysoleucas) Farm in Minnesota

机译：在明尼苏达州的金色闪光场（Notemigonus crysoleucas）农场，感染了Gyrodactylus crysoleucas和Gyrodactylus sp（Monogenea）。

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摘要

Infections of Gyrodactylus are reported at a Minnesota baitfish farm producing golden shiner (Note-migonus crysoleucas) in earthen ponds. Intensities reached approximately 100 parasites per fish, with no apparent sign of disease. Two species were present: Gyrodactylus crysoleucas Mizelle and Kritsky, 1967, was common (90% of the Gyrodactylus population), while an unidentified Gyrodactylus sp., morphologically resembling Gyrodactylus wellborni Nowlin, 1968, but not confirmed as such, was less so (10% of the Gyrodactylus population). We provide supplemental morphological and molecular diagnostic information on these understudied parasites. The 2 species of parasites are easily confused diagnostically with Gyrodactylus salmonis Yin and Sproston, 1948, and Gyrodactylus colemanensis Mizelle and Kritsky, 1967, from salmonid fishes in North America, but can be differentiated on the basis of differences in shape and size of the haptoral hard parts and provided 18S and ITS sequences. The case history is puzzling in that the farm has been self-contained for 25 years, operating through in-house production of brood stock, with no opportunity of acquiring parasites from local wild golden shiner. The study concludes that both G. crysoleucas and the Gyrodactylus sp. arrived with the original wild brood stock and have persisted unnoticed until now.
机译：据报道，明尼苏达州的一个it鱼养殖场感染了陀螺，在土池中产生了金色的光泽（Note-migonus crysoleucas）。强度达到每条鱼约100种寄生虫，没有明显的疾病迹象。存在两种：常见的是Gryrodactylus crysoleucas Mizelle和Kritsky，1967（占Gyrodactylus种群的90％），而形态不明的Gyrodactylus wellborni Nowlin，1968年的一个身份不明的Gyrodactylus sp。则不太常见（10陀螺菌种群的百分比）。我们提供了关于这些寄生虫的补充形态学和分子诊断信息。在诊断上，这两种寄生虫很容易与北美的鲑鱼鱼中的鲑鱼假单胞菌Yin和Sproston，1948年以及colemanactus colemanensis Mizelle和Kritsky，1967年相混淆，但是可以根据上颚的形状和大小的差异来区分。硬零件，并提供18S和ITS序列。该案例的历史令人费解，因为该农场已经通过内部生产亲鱼自成一体，拥有25年的自给自足能力，没有机会从当地的野生金光闪闪的动物身上获得寄生虫。研究得出结论，无论是G. crysoleucas和Gyrodactylus sp.。带着原始的野生亲鱼来到这里，直到现在仍未引起人们的注意。

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