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Control of Haematobia irritans in the Minas Gerais Semiarid / Controle de Haematobia irritans no Semiárido de Minas Gerais

Costa, Evely Giovanna Leite; Carneiro, Juliana Campos; Bastos, Gabriela Almeida; Vasconcelos, Viviane de Oliveira; Souza, Rogério Marcos de; Almeida, Anna Christina de; Duarte, Eduardo Robson.
Acta Sci. vet.; 44: 01-10, 2016. tab, graf
Artigo em Português | VETINDEX | ID: vti-722699

Resumo

Background: Beef cattle is considered to be one of the most important economic activities, however, it presents problems in the production chain such as the occurrence of parasites that reduce the growth, performance, productivity and may cause mortalities occasionally. The chemical control is the most used alternative to reduce ectoparasites. Nevertheless, inappropriate management of insecticides has contributed to the selection of population resistant to the products available on the market. This paper aimed to evaluate the practices of management and the application of insecticides used to control horn flies in farms of dairy cattle in the North of the state of Minas Gerais. Materials, Methods & Results: It was visited 62 rural properties, which produce milk. Semi-structured questionnaires were applied in order to obtain information on the characteristics of the properties (location, size and type of the cattle), on the knowledge about the epidemiology of the horn flies, and on the practices adopted to the control of those parasites. The practices adopted include the moment of application of the insecticides, frequency of the cattle treatment, used products, method of application, number of animals treated, and choice and substitution criteria of insecticides. The data collected were tabulated in contingency tables, and they were analyzed using the chi-square test [...](AU)
Biblioteca responsável: BR68.1
Localização: BR68.1