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      Surtos de botulismo em bovinos no Brasil associados à ingestão de água contaminada Translated title: Botulism outbreaks in cattle in Brazil associated with contaminated water

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          Abstract

          Botulismo em bovinos resulta da ingestão de toxina previamente formada. No presente trabalho são descritos sete surtos da intoxicação onde os dados clínico-patológicos, epidemiológicos e os achados laboratoriais indicaram a possível ingestão da toxina através da água contaminada. O coeficiente médio de mortalidade foi de 20,1%, com letalidade de 99,92%, e morbidade de 31,62%. Dos cerca de 9.000 bovinos envolvidos nos surtos, 2.844 morreram com quadro clínico predominantemente superagudo e agudo. A alta morbidade e mortalidade foram registradas num curto período de tempo e envolveram todas as categorias animais, com quadro clínico-patológico caracterizado por paresia e paralisia da musculatura da locomoção, deglutição e mastigação e ausência de lesões macroscópicas. As circunstâncias em que ocorreram os surtos estiveram relacionadas com a existência de carcaças de animais decompostas ou matéria orgânica vegetal na água de dessedentação. Foram detectadas toxinas botulínicas C e/ou D nas coleções de água, nas vísceras e no soro sangüíneo de parte considerável dos materiais examinados.

          Translated abstract

          Botulism in cattle occurs by ingestion of botulinum toxin C and/or D. Seven outbreaks of the poisoning in the states of Mato Grosso do Sul and São Paulo are reported. The clinical and pathological data, epidemiology and laboratory findings indicate a possible intake of the toxin through contaminated water. The average mortality rate was 20.1%, with 99.2% lethality and 31.62% morbidity. From about 9,000 cattle envolved in the outbreaks, 2,844 animals died, predominantly with a hyperacute and acute clinical picture. The high morbidity rates were observed within a short period and affected all categories of cattle, with a clinical and pathological picture characterized by paresis and paralysis of the muscles of locomotion, swallowing and mastigation, with abscence of gross lesions at post-mortem examination. The outbreaks were related to the presence of decomposed animal carcasses or vegetal material in the drinking water. Botulinum toxins C and/or D were detected in water samples, viscera and blood serum of a considerable number of materials examined.

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          Most cited references13

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          Botulism. The Organism, Its Toxins, The Disease

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            [Frequency of animal botulism from hydric origin in Senegal].

            M P Doutre (1969)
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              Botulismo enzoótico em búfalos no Maranhão

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                pvb
                Pesquisa Veterinária Brasileira
                Pesq. Vet. Bras.
                Colégio Brasileiro de Patologia Animal - CBPA (Rio de Janeiro )
                1678-5150
                June 2001
                : 21
                : 2
                : 43-48
                Affiliations
                [1 ] Universidade Estadual Paulista Brazil
                [2 ] Embrapa
                [3 ] Embrapa
                [4 ] Secretaria de Agricultura e Abastecimento do Estado de São Paulo Brazil
                Article
                S0100-736X2001000200002
                10.1590/S0100-736X2001000200002
                7b6a3ad5-23be-4657-9d81-5876288ca922

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0100-736X&lng=en
                Categories
                VETERINARY SCIENCES

                General veterinary medicine
                Botulism,cattle,Clostridium botulinum,contaminated water,outbreaks,Botulismo,bovinos,água contaminada,surtos

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