Spatial distribution and evaluation of risk factors for bovine neosporosis in Rondônia, Brazil

IF 0.4 4区农林科学 Q4 VETERINARY SCIENCES

Arquivo Brasileiro De Medicina Veterinaria E Zootecnia Pub Date : 2023-03-01 DOI:10.1590/1678-4162-12887

A. M. Andrade Junior, W. Lopes, G. Felippelli, B. Cruz, W. Maciel, V. Soares, L. L. Ferreira, J. Garcia, B. Nino, A. Minutti, G. Rossi, V. Jayme, D. B. Martins, E. Arnhold, W. Teixeira

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Abstract

ABSTRACT Neospora caninum is an important worldwide parasite responsible for causing abortion in animals. Due to limited information on the occurrence of infection by this parasite in the state of Rondônia, Brazil, this study aimed to determine the seroprevalence and identify the risk factors associated with the infection in slaughtered cattle, from 19 municipalities distributed in seven microregions of the state. A total of 494 samples were obtained and subjected to anti-N. caninum antibodies, using the Indirect Immunofluorescence Reaction technique. Antibodies were detected in 5.06% (25/494) of the samples, in 30.30% (10/33) of farms, in nine municipalities located in four microregions of Rondônia. Of all the animals analyzed, 4.81% of the females (20/416) and 6.41% of the males (05/78) were seropositive for the parasite, with “abortion in the last 12 months” being considered an important risk factor for the occurrence of infection (OR = 9.54; p = 0.01). The present study points out the prevalence of anti-N. caninum antibodies in 5.06% of slaughtered animals and abortion as the main risk factor associated with infection by N. caninum, thus contributing to the elucidation of the epidemiology of this protozoan in Rondônia, Brazil.

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巴西朗多尼亚牛新孢子虫病的空间分布及危险因素评价

摘要犬新孢子虫是一种重要的世界性寄生虫，导致动物流产。由于有关这种寄生虫在巴西朗多尼亚州感染情况的信息有限，本研究旨在确定该州7个微区19个市镇屠宰牛的血清流行率，并确定与感染相关的风险因素。共获得494个样品，并对其进行抗N。犬抗体，使用间接免疫荧光反应技术。在Rondônia四个微区的九个市镇的5.06%（25/494）样本、30.30%（10/33）农场中检测到抗体。在所有分析的动物中，4.81%的雌性（20/416）和6.41%的雄性（05/78）对寄生虫呈血清阳性，“最后12个月流产”被认为是感染发生的重要风险因素（OR=9.54；p=0.01）。5.06%的屠宰动物的犬科动物抗体和流产是与犬科线虫感染相关的主要风险因素，从而有助于阐明这种原生动物在巴西朗多尼亚的流行病学。

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来源期刊

Arquivo Brasileiro De Medicina Veterinaria E Zootecnia 农林科学-兽医学

CiteScore

0.80

自引率

25.00%

发文量

111

审稿时长

9-18 weeks

期刊介绍： Publica artigos originais de pesquisa sobre temas de medicina veterinária, zootecnia, tecnologia e inspeção de produtos de origem animal e áreas afins relacionadas com a produção animal. Atualmente a revista mantém 628 permutas (419 internacionais e 209 nacionais), sendo um verdadeiro suporte para o recebimento de periódicos pela Biblioteca da Escola. A partir de 1999, a Escola de Veterinária delegou à FEP MVZ Editora o encargo do gerenciamento e edição de todas suas publicações, inclusive do Arquivo, ficando somente com o apoio logístico (instalações, equipamentos, pessoal etc.). O apoio financeiro é exercido pelo CNPq/FINEP e pela própria FEP MVZ.