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首页> 外文期刊>Tropical Animal Health and Production >Seroprevalence and associated risk factors of Mycoplasma agalactiae and investigation of coinfection with the caprine lentivirus in Rio Grande do Norte, Brazil
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Seroprevalence and associated risk factors of Mycoplasma agalactiae and investigation of coinfection with the caprine lentivirus in Rio Grande do Norte, Brazil

机译：支原体的血管逆转录和相关危险因素及辛普罗斯葡萄酒荷兰岛诺特岛诺尔特（Barzil）的繁殖危险因素

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摘要

Contagious agalactia is a disease caused by Mycoplasma agalactiae that leads to a reduction or complete stop of milk production. Caprine arthritis encephalitis (CAE) is an infectious disease caused by a lentivirus of the Retroviridae family, member of the small ruminant lentivirus (SRLV) group. Although these diseases are caused by distinct pathogens, the clinical presentation is similar. Hence, this study aimed to perform a serological investigation, as well as to assess correlation between both diseases and risk factors associated in two mesoregions of Rio Grande do Norte, Brazil. Enzyme-linked immunosorbent assay (ELISA) was used for contagious agalactia and western blot for CAE. A total of 538 serum samples were used in this study that were collected from goats and sorted from a blood bank of the Brazilian Agricultural Research Corporation. Seroprevalence of M. agalactiae in flocks from Rio Grande do Norte was 7.8% (42/538). In both regions that were investigated, 25.9% (14/54) of farms had positive animals. CAE results revealed that 3.9% (21/538) of animals and 42.6% (23/54) of farms had this disease. Concerning risk factors, only sex and animal category presented significant relevance (P < 0.05) for contagious agalactia, in which females presented higher frequency of seropositive individuals (10.1%; 39/387). In the animal category, 4.3% (14/326) and 11.1% (36/323) of female breeders were positive for CAE and contagious agalactia, respectively, and significance was identified only in the latter (P < 0.05). In conclusion, there was no correlation between the investigated diseases, considering that no animal demonstrated antibodies for both pathogens.
机译：传染性嗜毒乳治症是一种由支原体嗜氨酰胺引起的疾病，导致牛奶生产的减少或完全停止。 Caprine关节炎脑炎（CAE）是由逆转录血红素家族的慢病毒引起的传染病，小反刍动物慢病毒（SRLV）组。虽然这些疾病是由不同的病原体引起的，但临床介绍是相似的。因此，本研究旨在进行血清学调查，以及评估在巴西里约热内卢北部的两种中间病变中的两种疾病和风险因素之间的相关性。酶联免疫吸附测定（ELISA）用于CAE的传染性胆碱和Western印迹。本研究中使用了538种血清样品，从山羊收集并从巴西农业研究公司的血库中排序。 Rio Grande Do Norte群中羊驼酸的血清估价为7.8％（42/538）。在调查的两个地区，25.9％（14/54）的农场有积极的动物。结果表明，3.9％（21/538）的动物和42.6％（23/54）的农场具有这种疾病。关于危险因素，只有性和动物类别呈现出具有显着的相关性（P <0.05）对于具有传染性的嗜症性的性质（P <0.05），其中女性呈现出血液阳性个体的较高频率（10.1％; 39/387）。在动物类别中，4.3％（14/326）和11.1％（36/323）的女性育种者分别为CAE和传染性尸毒酰胺，并且仅在后者中鉴定了显着性（P <0.05）。总之，考虑到没有动物证明了两种病原体的抗体之间没有相关性。

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