EFFECTIVENESS OF TOBRAMYCIN AND CIPROFLOXACIN AGAINST BACTERIAL ISOLATES IN CANINE OTITIS EXTERNA IN UBERABA, MINAS GERAIS

Authors

Abstract

Canine otitis externa is a common and recurrent disease in domestic dogs. Although not being life threatening, it can result in the overuse of antibiotics, increased bacterial resistance and reduction of options for treatment. This study aimed to determine: the principal characteristics (age, race, and gender) of dogs affected by otitis externa; the most frequently bacteria identified as being associated with it and their antimicrobial resistance profiles. A total of 221 bacterial isolates were identified by morphological staining and biochemical processes and tested against eleven antibiotics. Among the 148 dogs diagnosed with otitis externa, 51.4% (76/148) were males and 48.6% (72/148) females. The cases were detected mainly in dogs with age above 7 years (54.7%; 81/148. Among the races examined, poodles were the most numerous (14.84%; 22/148). The most common bacteria found were: coagulase-negative Staphylococcus (StCN), 33.9% (75/221); coagulase-positive Staphylococcus (StCP), 19% (42/221); Proteus spp., 17.2% (38/221) and Pseudomonas aeruginosa, 9.5% (21/221). Simultaneous resistance to more than three classes of antimicrobials were most frequently detected in P. aeruginosa (61.9%; 13/21) and Proteusspp (39.47%; 15/38). According to data obtained from this study, two veterinary medications found to be most effective for topical treatment were tobramycin and ciprofloxacin.
Keywords: antimicrobial, bacteria infection, dogs, ear, resistance

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Author Biographies

Jandra Pacheco dos Santos, Universidade Federal de Uberlândia

Aluna do Programa de Pós graduação em Ciência Animal do departamento de Medicina Veterinária

Álvaro Ferreira Júnior, Universidade Federal de Goiás

Professor no Departamento de Medicina Veteriária. Área de Medicina Veterinária Preventiva.

Carla Cunha Locce, Universidade de Uberaba, Uberaba, MG, Brazil

Graduada em Medicina Veterinária pela Universidade de Uberaba

Silvia Cassimiro Brasão, Universidade Federal de Uberlândia

Médica Veterinária do Laboratório de Biotecnologia Animal Aplicada do Departamento de Medicina Veterinária

Eustáquio Resende Bittar, Universidade de Uberaba

Professor no departamento de medicina veterinária. Área de Sanidade Animal

Joely Ferreira Figueiredo Bittar, Universidade de Uberaba

Professora no departamento de medicina veterinária. Área de Sanidade Animal

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Published

2019-08-29

How to Cite

SANTOS, J. P. dos; FERREIRA JÚNIOR, Álvaro; LOCCE, C. C.; BRASÃO, S. C.; BITTAR, E. R.; BITTAR, J. F. F. EFFECTIVENESS OF TOBRAMYCIN AND CIPROFLOXACIN AGAINST BACTERIAL ISOLATES IN CANINE OTITIS EXTERNA IN UBERABA, MINAS GERAIS. Brazilian Animal Science/ Ciência Animal Brasileira, Goiânia, v. 20, p. 1–9, 2019. Disponível em: https://revistas.ufg.br/vet/article/view/52164. Acesso em: 25 nov. 2024.

Issue

Vol. 20 (2019): Continuous publication

Section

MEDICINA VETERINÁRIA

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