巴拉圭牛巴贝斯菌感染的分子流行病学调查

IF 1.4 Q3 PARASITOLOGY
Claudia Esther Silvera Rojas , Thillaiampalam Sivakumar , Ngigi Noel Muthoni Mumbi , Believe Ahedor , Maria Fátima Rodríguez Valinotti , Tomás Javier Acosta , Naoaki Yokoyama
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引用次数: 0

摘要

巴拉圭是南美洲的一个农业国,由于气温高、湿度大、放牧管理方式粗放,牛群中蜱虫感染率很高。因此,由蜱虫传播的巴贝西亚原虫感染可能在巴拉圭广泛分布,但这些感染的现状仍不确定。因此,我们旨在评估巴拉圭牛群中三种具有临床意义的巴贝西亚原虫的感染状况,包括牛巴贝西亚原虫、比格米纳巴贝西亚原虫和纳奥阿基巴贝西亚原虫。在巴拉圭的九个省共采集了 326 头牛的血样,并用物种特异性 PCR 检测法对它们的 DNA 进行了筛查。在接受调查的牛群中,分别有 24 头(7.4%)和 127 头(39.0%)检测到牛线虫和大肠杆菌的单一感染,而同时感染两种寄生虫的有 38 头(11.7%)。与此相反,所有被调查的牛对纳奥阿基伯虫感染均呈阴性。东部地区(49.0%)比西部地区(34.6%)、粗放管理牛(51.3%)比半粗放管理牛(34.6%)、阉牛(50.3%)比金牛(15.8%)的大肠杆菌单一感染率更高。我们的研究结果表明,巴拉圭的牛群中牛巴贝斯虫和大牛巴贝斯虫感染分布广泛,这突出表明了实施有效控制措施以减少与牛巴贝斯虫病相关的潜在经济损失的重要性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Molecular epidemiological survey of Babesia species infecting cattle in Paraguay
Paraguay, an agricultural country in South America, has a high prevalence of tick infestations in its cattle population due to warm temperatures, high humidity, and extensive grazing management practices. Consequently, Babesia infections, which are transmitted by ticks, might have a wide distribution in Paraguay, but the current status of these infections remains uncertain. Therefore, we aimed to assess the infection status of three clinically significant Babesia species, including Babesia bovis, Babesia bigemina, and Babesia naoakii, among cattle populations in Paraguay. Blood samples were collected from a total of 326 cattle across nine departments in Paraguay, and their DNAs were screened with species-specific PCR assays. Of the surveyed cattle, single infections of B. bovis and B. bigemina were detected in 24 (7.4 %) and 127 (39.0 %), respectively, while co-infection with both the parasite species was detected in 38 (11.7 %). In contrast, all of the surveyed cattle were negative for B. naoakii infection. The prevalence of B. bigemina-single infection was higher in the Eastern region (49.0 %) compared to the Western region (34.6 %), in cattle under extensive management (51.3 %) compared to those under semi-intensive management (34.6 %), and in Bos indicus cattle (50.3 %) compared to Bos taurus (15.8 %). Our findings demonstrated a wide distribution of B. bovis and B. bigemina infections among cattle in Paraguay, underscoring the importance of implementing effective control measures to reduce the potential economic losses associated with bovine babesiosis.
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来源期刊
CiteScore
2.90
自引率
7.10%
发文量
126
审稿时长
97 days
期刊介绍: Veterinary Parasitology: Regional Studies and Reports focuses on aspects of veterinary parasitology that are of regional concern, which is especially important in this era of climate change and the rapid and often unconstrained travel of people and animals. Relative to regions, this journal will accept papers of the highest quality dealing with all aspects of disease prevention, pathology, treatment, epidemiology, and control of parasites within the field of veterinary medicine. Also, case reports will be considered as they add to information related to local disease and its control; such papers must be concise and represent appropriate medical intervention. Papers on veterinary parasitology from wildlife species are acceptable, but only if they relate to the practice of veterinary medicine. Studies on vector-borne bacterial and viral agents are suitable, but only if the paper deals with vector transmission of these organisms to domesticated animals. Studies dealing with parasite control by means of natural products, both in vivo and in vitro, are more suited for one of the many journals that now specialize in papers of this type. However, due to the regional nature of much of this research, submissions may be considered based upon a case being made by the author(s) to the Editor. Circumstances relating to animal experimentation must meet the International Guiding Principles for Biomedical Research Involving Animals as issued by the Council for International Organizations of Medical Sciences (obtainable from: Executive Secretary C.I.O.M.S., c/o W.H.O., Via Appia, CH-1211 Geneva 27, Switzerland).
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