PMID: 11708682Nov 16, 2001Paper

Prevalence of yeasts and mycelial fungi in bovine parasitic otitis in the State of Minas Gerais, Brazil

Journal of Veterinary Medicine. B, Infectious Diseases and Veterinary Public Health
E R DuarteJ S Hamdan

Abstract

Infestations by rhabditiform nematodes and acarids of the genus Raillietia are considered the primary causes of external otitis in cattle in tropical regions. Recently, yeasts of the genus Malassezia have been associated with a relatively high percentage of otitis cases, but the occurrence of other yeasts and mycelial fungi has not yet been reported in the literature. This work studied the presence of fungi in the ear canal of 45 cattle with external parasitic otitis. The results were positive for yeasts of the genus Malassezia in 31 (68.9%) of the 45 cultures in Mycosel medium supplemented with olive oil. The 45 cultures in Sabouraud dextrose medium revealed the growth of seven (15.5%) yeasts of the genus Candida, five (11.1%) Rhodotorula mucilaginosa, two (4.4%) fungi of the genus Aspergillus and eight 'Micelia sterilia'. Future studies may confirm and elucidate the importance of these agents in the aetiology of bovine otitis.

References

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Citations

Mar 14, 2008·Veterinary Dermatology·Matthew C AllenderScott Citino
Oct 24, 2012·Interdisciplinary Perspectives on Infectious Diseases·Fernanda Wirth, Luciano Z Goldani
Jun 28, 2011·Mycologia·S A CantrellP Zalar
Mar 6, 2008·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·Marilena R PradoMarcos F G Rocha
Mar 15, 2018·Medical Mycology·Bart TheelenThomas L Dawson
Mar 5, 2004·Journal of Veterinary Medicine. B, Infectious Diseases and Veterinary Public Health·E R Duarte, J S Hamdan
Mar 17, 2004·International Journal of Systematic and Evolutionary Microbiology·Asuka HiraiAtsuhiko Hasegawa

Related Concepts

Bos indicus
Cattle Diseases
Dermatomycoses
Ear Structure
Malassezia furfur
Otitis Externa

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