PREVALÊNCIA DE ANTICORPOS ANTI-VÍRUS DA LEUCOSE BOVINA EM FÊMEAS DE BOVINOS LEITEIROS DE TOLEDO, PARANÁ, BRASIL

Q4 Veterinary Archives of Veterinary Science Pub Date : 2021-06-29 DOI:10.5380/AVS.V26I2.78396
Anderson Demarchi Peron, Cristian André Bertuzzi, Douglas Adriano Webber, V. Holsbach, D. L. Zulpo
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Abstract

The enzootic bovine leukosis is a viral disease caused by the bovine leukemia virus (BLV), an oncogenic retrovirus. The disease is widespread in herds, and dairy cattle, due to the intensive management, are the most affected. The growing importance of the international cattle trade, semen, and embryos has required the sanitary certification for the BLV, and the economic impact of the enzootic bovine leukosis is mainly due to the reduction of the milk production. The aim of this study was to determine the prevalence of antibody antiBLV in dairy cattle from Toledo municipality. Fifty-eight rural properties were visited, and blood samples were collected from 390 dairy cattle. The agar gel immunodiffusion (AGID) was used to detect the antibodies against the viral agent. Of the samples analyzed, 34.4% (134/390) showed antibodies against the bovine leukosis. Positive animals were distributed in 63.9% (37/58) of the visited properties. The viral infection is widespread in dairy cattle from Toledo. Therefore, there is a need for adequate control and prevention measures for enzootic bovine leukosis. Serological tests and a constant veterinary follow-up, aiming at the gradual sanitary control of the herds, are a good tool for the control and/or eradication of the disease.
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巴西托莱多奶牛抗牛白血病病毒抗体的流行情况,parana
地方源性牛白细胞病是由一种致癌逆转录病毒——牛白血病病毒(BLV)引起的一种病毒性疾病。这种疾病在牛群中广泛传播,奶牛由于管理密集,受到的影响最大。国际牛贸易、精液和胚胎的重要性日益增加,要求获得BLV的卫生认证,而地方病牛白细胞病的经济影响主要是由于牛奶产量的减少。本研究的目的是确定抗体抗BLV在托莱多市奶牛中的流行率。访问了58处农村财产,并从390头奶牛身上采集了血液样本。使用琼脂凝胶免疫扩散法(AGID)检测针对病毒制剂的抗体。在分析的样本中,34.4%(134/390)显示出抗牛白细胞病的抗体。阳性动物分布在63.9%(37/58)的受访房产中。病毒感染在托莱多的奶牛中广泛存在。因此,有必要采取适当的控制和预防措施来控制和预防地方病牛白细胞病。血清学检测和持续的兽医随访,旨在逐步对牛群进行卫生控制,是控制和/或根除疾病的好工具。
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来源期刊
Archives of Veterinary Science
Archives of Veterinary Science Veterinary-Veterinary (all)
CiteScore
0.30
自引率
0.00%
发文量
0
审稿时长
90 weeks
期刊介绍: O periódico ARCHIVES OF VETERINARY SCIENCE (AVS) é publicado trimestralmente, sob orientação do seu Corpo Editorial, com a finalidade de divulgar artigos completos e de revisão relacionados à ciência animal sobre os temas: clínica, cirurgia e patologia veterinária; sanidade animal e medicina veterinária preventiva; nutrição e alimentação animal; sistemas de produção animal e meio ambiente; reprodução e melhoramento genético animal; tecnologia de alimentos; economia e sociologia rural e métodos de investigação científica. A publicação dos artigos científicos dependerá da observância das normas editoriais e dos pareceres dos consultores “ad hoc”.
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