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      Analysis of the risk factors for bovine brucellosis in dairy herds of the Rio Branco microregion, Acre, Brazil Translated title: Análise dos fatores de risco para brucelose bovina em rebanhos leiteiros da microrregião de Rio Branco, Acre, Brasil

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          Abstract

          ABSTRACT Bovine brucellosis (BB) is a compulsory notifiable bacterial disease caused by Brucella abortus, which is responsible for severe reproductive disorders in cattle, considerable damages to trade and public health damage. The objectives of this study were to identify the frequency of BB and to analyze the risk factors in the dairy herds of the Rio Branco microregion, in the state of Acre, Brazil. Thus, 527-bovine-serological samples were submitted to the buffered acidified antigen test and to 2-mercaptoethanol. Risk factors were characterized by the administration of epidemiological questionnaires. The logistic regression test was used to evaluate the existence of a significant association between the variables. The frequency of BB in the Rio Branco microregion was 10.6% (56/527). The inappropriate destination of the aborted fetus and placental remnants (odds ratio — OR = 13.6), the slaughter of cattle within the property (OR = 3.4) and the age range above 4 years old (OR = 2.9) were the most significant risk factors identified by the logistic regression model. According to the results of this study, it is recommended to intensify BB control and prophylaxis measures in the microregion of Rio Branco, especially those related to sanitary and reproductive management in the livestock breeding.

          Translated abstract

          RESUMO A brucelose bovina (BB) é uma bacteriose de notificação obrigatória, causada pela Brucella abortus, responsável por distúrbios reprodutivos graves em bovinos, prejuízos consideráveis ao comércio e agravos em saúde pública. Objetivaram-se com este estudo identificar a frequência de BB e analisar os fatores de risco nos rebanhos leiteiros da microrregião de Rio Branco, Acre. Assim, 527 amostras sorológicas de bovinos foram submetidas ao teste do antígeno acidificado tamponado e ao 2-mercaptoetanol. Os fatores de risco foram caracterizados por aplicação de questionários epidemiológicos. Utilizou-se o teste de regressão logística para avaliar a existência de associação significativa entre as variáveis. A frequência da BB na microrregião de Rio Branco foi de 10,6% (56/527). O destino inadequado do feto abortado e restos placentários (odds ratio — OR = 13,6), o abate de bovinos na propriedade (OR = 3,4) e a faixa etária acima de 4 anos (OR = 2,9) foram os fatores de risco mais significativos apontados pelo modelo de regressão logística. Conforme os resultados deste estudo, recomenda-se a intensificação nas medidas de controle e profilaxia da BB na microrregião de Rio Branco, sobretudo relacionadas ao manejo sanitário e reprodutivo nas criações.

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          Brucellosis in Brazil.

          This paper reviews the epidemiology of bovine, swine, ovine, caprine, and canine brucellosis in Brazil. The zoonotic aspects of Brucella infection in Brazil is also discussed. Emphasis is given to the new program for the control of brucellosis in cattle and buffaloes that is likely to provide important insights into the prospects and strategies for controlling brucellosis in developing countries. Copyright 2002 Elsevier Science B.V.
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            Isolation of Brucella abortus from a Dog and a Cat Confirms their Biological Role in Re-emergence and Dissemination of Bovine Brucellosis on Dairy Farms

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              Apparent seroprevalence, isolation and identification of risk factors for brucellosis among dairy cattle in Goa, India

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
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                Role: ND
                Journal
                aib
                Arquivos do Instituto Biológico
                Arq. Inst. Biol.
                Instituto Biológico (São Paulo, SP, Brazil )
                0020-3653
                1808-1657
                2019
                : 86
                : e0792018
                Affiliations
                [2] Recife Pernambuco orgnameUniversidade Federal Rural de Pernambuco Brazil
                [1] Rio Branco Acre orgnameUniversidade Federal do Acre Brazil
                Article
                S1808-16572019000100217
                10.1590/1808-1657000792018
                c4a529bf-328d-4de0-9461-0913c71626a3

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 16 July 2018
                : 29 July 2019
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 25, Pages: 0
                Product

                SciELO Brazil

                Categories
                Scientific Article

                ruminante,ruminant,Western Amazon,Amazônia Ocidental,Brucella abortus,regressão logística,logistic regression

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