CONTRIBUIÇÃO DAS SUINICULTURAS NA SELECÇÃO E DISSEMINAÇÃO DE ENTEROCOCCUS SPP RESISTENTES ÀS TETRACICLINAS.

Although antibiotics were banned from European Union as animal growth promoters, a high percentage of Entero-coccus spp resistant to tetracyclines and genes conferring resistance to these agents (fefM, fefL, fefS) were detected in animal and environmental samples collected in Portuguese piggeries. These data are of concern and might be associated to the consumption of high amounts of these antibiotics in veterinary medicine. The presence of such strains in air and manure used as fertilizer in agriculture might promote their dissemination outside the animal production setting. [ABSTRACT FROM AUTHOR]