Moderate Neospora caninum Detection in Wild Dog Populations in Southeast Australia.

IF 1.2 4区 农林科学 Q3 VETERINARY SCIENCES
Eliza K Stott, Jose L Huaman, Teresa G Carvalho, Christina McCowan, Chloe J Fingland, Jade F Hammer, Alana Websdale, Lee F Skerratt, Carlo Pacioni
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引用次数: 0

Abstract

Abstract: Neospora caninum is an obligate intracellular protozoan parasite that causes hind-limb paralysis in dogs and abortions in cattle. Recurrent storms of abortions in cattle in Australia are estimated to cause an economic loss of AU$100 million each year, but the source of infection in cattle (i.e., via wild or domestic definitive hosts) remains to be established. We aimed to determine potential sources of horizontal transmission of N. caninum after recent evidence that wild dogs (Canis familiaris) shed N. caninum oocysts in Victoria, Australia. To determine infection levels among wild dogs, samples were collected from three sites in Victoria (n=52) in areas of high wild dog population density (Mansfield, Swifts Creek, and Tallangatta), and N. caninum detection was determined by PCR analysis of blood and duodenal samples. Based on the PCR assay of combined duodenal samples (flotation of duodenal content and just duodenal content), this study detected N. caninum in the fecal material of 11% of wild dogs in Mansfield and 21% of wild dogs in Swifts Creek. This study provides further insight into the possible role of wild dogs as a reservoir of N. caninum in Victoria.

澳大利亚东南部野狗种群中中度犬新孢子虫的检测。
犬新孢子虫:是一种专性细胞内原生动物寄生虫,引起狗的后肢麻痹和牛的流产。据估计,澳大利亚反复发生的牛流产风暴每年造成1亿澳元的经济损失,但牛的感染源(即通过野生或家养最终宿主)仍有待确定。最近有证据表明,澳大利亚维多利亚州的野狗(Canis familiaris)会产生犬新冠病毒卵囊,我们的目的是确定犬新冠病毒水平传播的潜在来源。为确定野狗感染水平,在维多利亚州野狗高密度地区(Mansfield、Swifts Creek和Tallangatta)的三个地点(n=52)采集样本,并通过血液和十二指肠样本的PCR分析确定犬链球菌的检测。本研究通过组合十二指肠标本(浮取十二指肠内容物和仅浮取十二指肠内容物)的PCR检测,在Mansfield地区11%的野狗和Swifts Creek地区21%的野狗粪便中检测到犬链球菌。这项研究进一步揭示了野狗作为维多利亚犬链球菌的宿主的可能作用。
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来源期刊
Journal of Wildlife Diseases
Journal of Wildlife Diseases 农林科学-兽医学
CiteScore
2.70
自引率
0.00%
发文量
213
审稿时长
6-16 weeks
期刊介绍: The JWD publishes reports of wildlife disease investigations, research papers, brief research notes, case and epizootic reports, review articles, and book reviews. The JWD publishes the results of original research and observations dealing with all aspects of infectious, parasitic, toxic, nutritional, physiologic, developmental and neoplastic diseases, environmental contamination, and other factors impinging on the health and survival of free-living or occasionally captive populations of wild animals, including fish, amphibians, reptiles, birds, and mammals. Papers on zoonoses involving wildlife and on chemical immobilization of wild animals are also published. Manuscripts dealing with surveys and case reports may be published in the Journal provided that they contain significant new information or have significance for better understanding health and disease in wild populations. Authors are encouraged to address the wildlife management implications of their studies, where appropriate.
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