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首页> 外文期刊>Tropical Animal Health and Production >Brucellosis due to Brucella suis in a swine herd associated with a human clinical case in the State of Sao Paulo, Brazil
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Brucellosis due to Brucella suis in a swine herd associated with a human clinical case in the State of Sao Paulo, Brazil

机译：巴西圣保罗州猪群中的布鲁氏菌病与人类临床病例相关

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摘要

Brucella suis has been recognized as the major etiological agent of human brucellosis in areas free from Brucella melitensis infection. However, with changes in swine management, the occurrence of swine brucellosis has decreased as has the human incidence of B. suis infection. A swine brucellosis outbreak within a herd from Jaboticabal (So Paulo, Brazil) was detected in July 2006. The herd comprised approximately 300 sows and 1,500 finishing animals. Many sows within this herd experienced abortions, while others exhibited vaginal discharge; three sows suffered posterior paralysis. Among 271 sows, 254 (93.7%) tested positive for brucellosis by complement fixation, and among 62 randomly bled finishing animals, 17 (27.4%) also tested positive. The B. suis biovar 1 was cultured from 14 aborted fetuses and six sows. Brucella was identified using routine methods. Fourteen farm workers were tested using agglutination tests, with three workers showing evidence of Brucella antibody titers. A 39-year-old woman, who worked with maternal pigs and had direct contact with aborted fetuses, presented an agglutinating titer of 480 IU/mL and displayed clinical signs of infection. Our findings suggest that despite a reduction of swine brucellosis throughout Brazil, B. suis infection still occurs, thereby posing a zoonotic risk.
机译：猪布鲁氏菌已被公认为无布鲁氏菌感染地区人类布鲁氏菌病的主要病原体。但是，随着猪管理方式的变化，猪布鲁氏菌病的发生率已降低，人类猪链球菌感染的发生率也有所降低。 2006年7月，在来自Jaboticabal（巴西圣保罗）的猪群中爆发了一次猪布鲁氏菌病。该猪群包括约300头母猪和1,500头育肥动物。该群中的许多母猪都流产了，而另一些则表现出白带。三头母猪遭受后瘫。在271头母猪中，有254头（93.7％）通过补体固定检测为布鲁氏菌病阳性，在62头随机放血的育肥动物中，有17头（27.4％）也呈阳性。从14名流产的胎儿和6头母猪中培养了B. suis biovar 1。使用常规方法鉴定布鲁氏菌。使用凝集测试对十四名农场工人进行了测试，其中三名工人显示出布鲁氏菌抗体滴度的证据。一名与母猪一起工作并与流产的胎儿直接接触的39岁妇女表现出480 IU / mL的凝集滴度，并显示出感染的临床征象。我们的发现表明，尽管整个巴西的猪布鲁氏菌病有所减少，但猪B. suis感染仍会发生，从而造成人畜共患病风险。

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