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Repellent effects of andiroba and copaiba oils against Musca domestica (common house fly) and ecotoxicological effects on the environment

Zortéa, Talyta; Baretta, Dilmar; Volpato, Andréia; Lorenzetti, William Raphael; Segat, Julia Corá; Maccari, Ana Paula; Santos, Roberto Christ; Vaucher, Rodrigo Almeida; Stefani, Lenita Moura; Silva, Aleksandro Schafer da.
Acta Sci. vet.; 45: 01-08, 2017. graf
Artigo em Inglês | VETINDEX | ID: vti-691125

Resumo

Background: The main challenge in raising cattle in Brazil is related to ectoparasites, that cause negative effects on milk and meat production, and in severe cases, animal death. Sheds known as crèches attracts large number insects mainly due to milk residues in the environment. The housefly is a major problem due to act as vectors of many other diseases, and so there is the possibility of control of infestations with natural products. Andiroba and copaiba oils may act as natural biocides, there are only a few studies on their effect on biological soil parameters. Therefore, this study aimed to evaluate the repellent effect of andiroba and copaiba oils against flies and on biological soil parameters. Materials, Methods & Results: The repellency effect of oils of andiroba and copaiba was tested at a concentration of 5% in lambs shed maternity, containing 64 bays (1.8 m2 ). It was sprayed 30 mL per pen, where they were housed five lambs each. Pre-treatment counts were taken before the treatment (mean 46 per pen after Musca domestica), and post-treatment count was made on 2, 24 and 48 h. The data collected at 2 and 24 h was evaluated and the number of flies was reduced significantly (P < 0.001) in the pens treated with oil of copaiba and andiroba compared to control (untreated) pen. After 48 h, no difference was observed between treatments in relation to fly numbers [...](AU)
Biblioteca responsável: BR68.1