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      Epidemiologia e controle da tristeza parasitária bovina na região sudeste do Brasil Translated title: Epidemiology and control of bovine babesiosis and anaplasmosis in Southeast region of Brazil

      research-article
      Ciência Rural
      Universidade Federal de Santa Maria
      Anaplasma, Babesia, epidemiology, control, Brazil, Anaplasma, Babesia, epidemiologia, controle, Brasil

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          Abstract

          A babesiose bovina e a anaplasmose (Tristeza Parasitária Bovina) são enfermidades transmitidas pelo carrapato Boophilus microplus e por moscas hematófagas, respectivamente, ocorrendo em caráter endêmico no Brasil, acarretando elevadas perdas econômicas na pecuária. Nesse país, observa-se uma grande variedade de fatores epidemiológicos influenciando sua ocorrência, tais como: variação climática, práticas de manejo, controle de carrapato e introdução de bovinos susceptíveis. Assim, esta revisão aborda aspectos epidemiológicos do controle da anaplasmose e da babesiose bovina do Brasil, com ênfase na região sudeste. Fatores que influenciam a instabilidade e a estabilidade enzoótica de ambas as espécies também são discutidos. As medidas de controle empregadas atualmente são: quimioprofilaxia, o uso de acaricidas para o controle do carrapato vetor B. microplus, a premunição e a vacinação.

          Translated abstract

          Bovine babesiosis and anaplasmosis are diseases transmitted by Boophilus microplus and haematophagous diptera, respectively, occurring in endemic character in Brazil, resulting in high economic loss on livestock production. In this country a wide range of epidemiological factors influencing their occurrence, such as climate variations, husbandry practices, tick control and susceptible purebreed cattle that are regularly imported to upgrade local stocks have been described. This review focuses the epidemiological control and some aspects of bovine babesiosis and anaplasmosis in Brazil, with emphasis in southeast region. Factors influencing enzootic stability and instability of both species are also discussed. The control measures employed at present are chemoprophylaxis, use of acaricides for B. microplus, premunition and vaccination.

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          Most cited references33

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          Epizootiological factors in the control of bovine babesiosis.

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            Transmission of Anaplasma marginale with adult Boophilus microplus ticks fed as nymphs on calves with different levels of rickettsaemia.

            Nine splenectomised calves were infested with dissimilar numbers of adult Boophilus microplus ticks 72 h after collection as engorged nymphs from three non splenectomised calves with different levels of Anaplasma marginale rickettsaemia. Successful transmission of A. marginale appeared to be more dependent on the level of rickettsaemia of the donor calves than on the number of ticks attaching to the splenectomised calves, since infection was transmitted only when the rickettsaemia was 0.3% or greater. Field transmission would thus depend on the rate of tick migration amongst susceptible hosts and the rickettsaemia level of cattle on which the ticks fed previously.
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              Anaplasmosis

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                Author and article information

                Journal
                cr
                Ciência Rural
                Cienc. Rural
                Universidade Federal de Santa Maria (Santa Maria, RS, Brazil )
                0103-8478
                1678-4596
                March 2000
                : 30
                : 1
                : 187-194
                Affiliations
                [01] Belo Horizonte MG orgnameUniversidade Federal de Minas Gerais orgdiv1Escola de Veterinária orgdiv2Departamento de Medicina Veteterinária Preventiva pmacedog@ 123456dedalus.lcc.ufmg.br
                Article
                S0103-84782000000100030 S0103-8478(00)03000130
                e8c37ece-eb4f-4dec-9fc9-8980456c1e3b

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

                History
                : 27 May 1998
                : 24 March 1999
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 38, Pages: 8
                Product

                SciELO Brazil

                Self URI: Texto completo somente em PDF (PT)
                Categories
                Parasitologia

                epidemiology,control,Brazil,Anaplasma,Babesia,epidemiologia,controle,Brasil

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