Ocorrência de Malassezia spp. em cães com otite externa e dermatite seborreica em Sinop-MT

Abstract

This study was derived from the result of a project developed from May to December 2015, aiming to determine the occurrence of the pathogen Malassezia spp. in ear or skin infections in dogs, breeds, age and different sex. We used 30 records of service, possible dermatopatas and otopatas. Between 12 males and 18 females, were 74 samples were analyzed, of these, 60 of the ear canal of dogs with suspected ear infections, 14 with seborrheic dermatitis suspected. All samples were submitted to cytological examination stained with Panotic using swab for ear infections and 'imprint' 'with clear tape in dermatitis. It was observed that external otitis befell 17 animals being mainly dogs with breed (52.94%), and of these the most affected breeds were: Labrador Retriever (33.33%), Poodle (22.22%), Pug (11.11%), Queue (11.11%), Boxer (11.11%), Lhasa Apso (11.11%) and Shih-tzu (11.11%). After cytological evaluation of 14 skin samples collected from seven dogs suspected of seborrheic dermatitis Malassezia ssp. revealed four defined positive bred animals for the presence of yeast. The affected breeds were: Labrador Retriever (2), Poodle (1) Boxer (1). The main clinical signs found: itching, flaking, crusting, hyperliquinification, hyperkeratosis, hyperpigmentation and characteristic odor. The occurrence of infection was 60% of the cases corresponding Malassezia spp.