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Título
Antimicrobial susceptibility patterns of Brazilian Haemophilus parasuis field isolates
Autor
Facultad/Centro
Área de conocimiento
Cita Bibliográfica
Pesquisa Veterinária Brasileira, 2006
Editorial
Scielo
Fecha
2006-03-27
Resumen
Haemophilus parasuis is the etiological agent of Glässer’s disease (GD), an ubiquitous infection of swine
characterized by systemic fibrinous polyserositis, polyarthritis and meningitis. Intensive use of antimicrobial
agents in swine husbandries during the last years triggered the development of antibiotic resistances in bacterial
pathogens. Thus, regular susceptibility testing is crucial to ensure efficacy of different antimicrobial agents to
this porcine pathogen. In this study, 50 clinical isolates from South Brazilian pig herds were characterized and
analyzed for their susceptibility to commonly used antibiotic. The identification and typing of clinical isolates
was carried out by a modified indirect hemagglutination assay combined with a multiplex PCR. The susceptibility
of each isolate was analyzed by broth microdilution method against a panel of antimicrobial compounds. We
found that field isolates are highly resistance to gentamycin, bacitracin, lincomycin and tiamulin, but sensitive to
ampicillin, clindamycin, neomycin, penicillin, danofloxacin and enrofloxacin. Furthermore, an individual
susceptibility analysis indicated that enrofloxacin is effective to treat clinical isolates with the exception of those
classified as serovar
Materia
Palabras clave
Peer review
SI
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