美国路易斯安那州东南部的亚洲小爪水獭（Aonyx cinereus）体内的犬恶丝虫（Dirofilaria immitis）。
Dirofilaria immitis in an Asian small-clawed otter (Aonyx cinereus) from southeastern Louisiana, United States.
机构信息
Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, 668 Raymond Stotzer Pkwy, College Station, TX 77843, USA.
Texas A&M Veterinary Medicine Diagnostic Laboratory, PO Drawer 3040, College Station, TX 77841, USA.
出版信息
Vet Parasitol Reg Stud Reports. 2022 Apr;29:100703. doi: 10.1016/j.vprsr.2022.100703. Epub 2022 Feb 10.
A single, male Dirofilaria immitis was found in the right ventricle of a captive, 10-month-old female Asian small-clawed otter (Aonyx cinereus) from East Feliciana parish in Louisiana, USA. Molecular analysis was performed for unequivocal species level identification using the cytochrome c oxidase subunit 1 (cox1) region of the mitochondrial DNA and comparing to known D. immitis cox1 sequences available on GenBank to which the specimen had a 99.54-100% pair wise identity. As there is no safe adulticidal treatment for D. immitis in mustelids, chemoprophylaxis using macrocyclic lactones is recommended to prevent infection. Further studies are needed to better characterize D. immitis infection and its propensity to cause disease in the Asian small-clawed otter.
在美国路易斯安那州东费利西亚纳教区，一只 10 月龄的雌性亚洲小爪水獭（Aonyx cinereus）的右心室中发现了一只单一的雄性犬恶丝虫（Dirofilaria immitis）。使用线粒体 DNA 的细胞色素 c 氧化酶亚基 1（cox1）区域进行了分子分析，以进行明确的种属水平鉴定，并与 GenBank 上已知的犬恶丝虫 cox1 序列进行比较，该序列与标本具有 99.54-100%的成对同一性。由于对貂类没有安全的成虫杀灭治疗方法，因此建议使用大环内酯类药物进行化学预防，以预防感染。需要进一步研究以更好地描述犬恶丝虫感染及其在亚洲小爪水獭中引起疾病的倾向。
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