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Year 2018 - Volume 38, Number 7
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Economic impact of an outbreak of botulism in a cattle feedlot, 38(7):1365-1370
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ABSTRACT.- Soares M.C., Gaspar A.O., Brumatti R.C., Gomes D.C., Neves D.A., Alcântara L.O.B., Leal P.V. & Lemos R.A.A. 2018. Economic impact of an outbreak of botulism in a cattle feedlot. [Impacto econômico de um surto de botulismo em confinamento de bovinos.] Pesquisa Veterinária Brasileira 38(7):1365-1370. Faculdade de Medicina Veterinária e Zootecnia, Universidade Federal de Mato Grosso do Sul, Avenida Senador Felinto Müller 2443, Jardim Parati, Campo Grande, MS 79070-900, Brazil. E-mail: marcelocezar@outlook.com
Botulism is a febrile disease, fatal in most cases, which affects the muscles of locomotion, chewing, and swallowing, as well as the diaphragm and intercostal muscles, causing flaccid paralysis and respiratory arrest. In bovines, the etiology is due to the ingestion of neurotoxins types C and D formed by the bacterium Clostridium botulinum in an animal or vegetal substance, during decomposition. Vaccination is one of the most effective prophylactic means to prevent this disease. In this study, an outbreak of botulism was evaluated in a feedlot with 6,300 finishing cattle, wherein 25 died as a consequence of contracting this disease. The economic losses resulting from the deaths were analyzed, and economic analysis was conducted, involving the estimated cost of vaccination for the whole herd under risk, with the objective of evaluating whether this prophylactic practice is a viable action plan. The financial loss due to the deaths resulting from botulism in the case studied was found to be R$55,560.00, equivalent to 0.39% of the total monetary value of the herd. The cost of immunizing the entire herd under risk was 14.06% (for toxins exclusive to toxins C and D) and 22.22% (for polyvalent vaccines against clostridiosis) of the financial loss incurred as a consequence of the recorded deaths. It was concluded that botulism is a disease that can cause a significant economic impact on intensive livestock production systems, and that vaccination is an economically viable prophylactic action if performed with adequate sanitary planning. |
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