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Identification and antimicrobial susceptibility patterns of Staphylococcus spp. isolated from canine chronic otitis externa
Author(s) -
N. Silva
Publication year - 2001
Publication title -
arquivo brasileiro de medicina veterinária e zootecnia/arquivo brasileiro de medicina veterinária e zootecnia
Language(s) - Portuguese
Resource type - Journals
SCImago Journal Rank - 0.213
H-Index - 33
eISSN - 1678-4162
pISSN - 0102-0935
DOI - 10.1590/s0102-09352001000200001
Subject(s) - microbiology and biotechnology , ampicillin , penicillin , staphylococcus intermedius , coagulase , gentamicin , staphylococcus , enrofloxacin , biology , chloramphenicol , otitis , antimicrobial , staphylococcus aureus , antibiotics , medicine , bacteria , ciprofloxacin , genetics
Swab samples obtained from 96 dogs with chronic otitis externa were cultured for the isolation of Staphylococcus species. Of 57 staphylococcal strains, 41 (72%) were coagulase-negative (CNS). The identification of staphylococci strains was made by standard procedures for the routine identification of staphylococci in clinical practice. S. sciuri was the most frequent species isolated (22.8%) from chronic otitis externa in dogs followed by S. intermedius (12.3%), S. auricularis (10.5%) and S. aureus (8.8%). Three (5.2%) CNS strains could not be identified. Bacterial isolates were susceptible to enrofloxacin, gentamicin, cephalothin, chloramphenicol and neomycin. Resistance was most common to penicillin G, oxacillin and ampicillin. Foram utilizadas 96 amostras de material obtidas de cães com otite externa crônica para isolamento de Staphylococcus spp. Foram identificadas 57 amostras de estafilococos por meio de um sistema simples e prático desenvolvido para identificação de Staphylococcus spp. (SIS) a partir de material obtido de amostras clínicas. Entre os estafilococos, cerca de 41 (72%) foram amostras de Staphylococcus coagulase-negativo (SCN). S. sciuri foi o microrganismo mais envolvido com as otites crônicas em cães (22.8%), seguido pelo S. intermedius (12.3%), S. auricularis (10.5%) e S. aureus (8.8%). Três amostras de SCN (5.2%) não foram identificadas pelo SIS. Testes de susceptibilidade a antimicrobianos revelaram que enrofloxacina, gentamicina, cefalotina, cloranfenicol e neomicina foram os mais efetivos frente aos microrganismos isolados. Resistência foi apresentada frente a penicilina G, oxacilina e ampicilina

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