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首页> 外文期刊>American Journal of Veterinary Research >Characterization of eversion syndrome in captive Scyphomedusa jellyfish
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Characterization of eversion syndrome in captive Scyphomedusa jellyfish

机译：圈养Shyphomedusa水母外翻综合征的特征

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摘要

To determine whether Scyphomedusa jellyfish with eversion syndrome had alterations in husbandry conditions, elemental content, or histologic appearance, compared with unaffected jellyfish. ANIMALS: 123 jellyfish (44 with eversion syndrome and 79 without) at 6 institutions. PROCEDURES: Elemental analyses were performed on 24 jellyfish with eversion syndrome and 49 without, and histologic examinations were performed on 20 jellyfish with eversion syndrome and 30 without. A questionnaire distributed to 39 institutions with Scyphomedusa jellyfish was used to gather information about husbandry, environmental conditions, and prevalence of eversion syndrome. RESULTS: For the 39 institutions that responded to the questionnaire, prevalence of eversion syndrome ranged from 0% to 30%. For Aurelia aurita, eversion was more common at institutions with only captive-raised and no wild-caught jellyfish. Eversion was most common among young (approx 1- to 2-month-old) growing jellyfish and older (> 6-month-old) jellyfish. Elemental analysis revealed only minor differences between affected and unaffected jellyfish, with great variation among jellyfish from the same institution and among jellyfish from different institutions. Striated muscle degeneration and necrosis and extracellular matrix (mesoglea) degeneration were evident on histologic examination of affected jellyfish. CONCLUSIONS AND CLINICAL RELEVANCE: Results suggested that eversion syndrome is a complex phenomenon associated with degenerative changes of the bell matrix.
机译：与未受影响的水母相比，确定具有外翻综合症的Scyphomedusa水母是否在饲养条件，元素含量或组织学外观方面有变化。动物：6家机构的123头水母（其中44具外翻综合症，无79）。程序：对24例外翻综合症的水母和49例无外翻综合症的水母进行了元素分析，对20例外翻综合症和30例未进行综合分析的水母进行了组织学检查。调查问卷分发给39个带有水蚤的水母的机构，用于收集有关饲养，环境条件和外翻综合症患病率的信息。结果：对于回答问卷的39个机构，外翻综合征的患病率为0％至30％。对于Aurelia aurita而言，在只有人工饲养而没有野生捕捞的水母的机构中外翻更为普遍。在年轻（约1-2个月大）的水母和年长（> 6个月大）的水母中，外翻最为常见。元素分析显示，受影响和未受影响的水母之间只有很小的差异，同一机构的水母之间以及不同机构的水母之间差异很大。在受影响的水母的组织学检查中，横纹肌变性和坏死以及细胞外基质（中突）变性很明显。结论和临床意义：结果表明，外翻综合症是与钟形矩阵退化性变化相关的复杂现象。

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