Malassezia pachydermatis - etiology and clinical findings in canine external otitis - therapeutic approaches
2008
Petrov, V., Thracian University, Stara Zagora (Bulgaria) | Mikhajlov, G., Thracian University, Stara Zagora (Bulgaria)
In 2007, 48 swab samples obtained from dogs with otitis externa were investigated by means of parallel cultivation on blood agar and Sabouraud dextrose agar, supplemented with chloramphenicol and cycloheximide. Thirty four plasmocoagulase-positive Staphylococcus spp., 12 M. pachydermatis, 7 Streptococcus spp., 4 Escherichia coli, 4 Proteus mirabilis, and 3 Pseudomonas aeruginosa strains were isolated. Association between: M. pachydermatis and Staphylococcus pp.(in 9 samples), M. pachydermatis and Streptococcus spp. (2 samples) and M. pachydermatis and Escherichia coli, (in one sample) were determined. There were not coinfections of M. pachydermatis with either Pseudomonas aeruginosa or Proteus mirabilis. Three therapeutic protocols were tested. The best clinical effect was achieved in the combined local application of an antibacterial and an antifungal drug.
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