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罗马尼亚西北部水牛(水牛属)新孢子虫感染的证据。

Evidence of Neospora caninum infection in buffaloes (Bubalus bubalis) from Northwestern Romania.

作者信息

Bărburaș Diana, Gyӧrke Adriana, Ionică Angela Monica, Bărburaș Remus, Mircean Viorica, Cozma Vasile

机构信息

Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Calea Mănăștur nr. 3-5, 400372, Cluj-Napoca, Romania.

Life Science Institute, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Calea Mănăștur nr. 3-5, 400372, Cluj-Napoca, Romania.

出版信息

Parasitol Res. 2019 May;118(5):1667-1671. doi: 10.1007/s00436-019-06263-4. Epub 2019 Mar 15.

DOI:10.1007/s00436-019-06263-4
PMID:30877438
Abstract

Neospora caninum is a heteroxenous parasitic Apicomplexan protozoan, able to infect a variety of domestic and wild animals, mainly associated with reproductive disorders and abortions in susceptible species. Considering the importance of Romania in the European buffalo industry and the severe economic losses caused by N. caninum infection in livestock, the aim of the present study was to assess the occurrence of neosporosis in buffaloes raised in household and farming systems in northwestern Romania. Overall, 197 serum samples were tested for the presence of N. caninum-specific antibodies by ELISA. Additionally, from 74 slaughtered buffaloes, diaphragm digest, heart, and lymph node samples were tested for the presence of N. caninum DNA. The overall seroprevalence was 68.5%. The seroprevalence was significantly higher in adult animals compared to calves and young ones and in the household system compared to farm. By nPCR, six samples were found to be positive for N. caninum DNA, of which three were serologically negative. The present study reveals a high prevalence of N. caninum-specific antibodies in buffaloes in northwestern Romania and to our best knowledge, it is the first one performed in Romania.

摘要

犬新孢子虫是一种异宿主寄生性顶复门原生动物,能够感染多种家养和野生动物,主要与易感物种的生殖紊乱和流产有关。考虑到罗马尼亚在欧洲水牛产业中的重要性以及犬新孢子虫感染家畜所造成的严重经济损失,本研究的目的是评估罗马尼亚西北部家庭养殖和农场养殖系统中水牛的新孢子虫病发病情况。总体而言,通过酶联免疫吸附测定法(ELISA)对197份血清样本进行了犬新孢子虫特异性抗体检测。此外,对74头屠宰水牛的横膈膜消化物、心脏和淋巴结样本进行了犬新孢子虫DNA检测。总体血清阳性率为68.5%。成年动物的血清阳性率显著高于犊牛和幼龄动物,家庭养殖系统中的血清阳性率高于农场养殖系统。通过巢式聚合酶链反应(nPCR),发现6份样本的犬新孢子虫DNA呈阳性,其中3份血清学检测为阴性。本研究揭示了罗马尼亚西北部水牛中犬新孢子虫特异性抗体的高流行率,据我们所知,这是罗马尼亚首次开展的此类研究。

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