Diagnóstico de dermatopatias de origem fúngica, bacteriana e parasitária em cães na ilha de São Luís – MA

Abstract

The objective was to diagnose the origin of skin diseases fungai, bacterial and parasitic direct and evaluate the methods and cultures for fungi selective in dogs, in the municipality of San Luis, Maranhao. From 50 dogs with dermatopata profile, with race defined and without racial set, varying ages, of both sexes, domiciled and / or wandering, were collected hair samples of and injuries to the direct examination (trichogram), fungai and bacterial cultures selective and scraped the skin for diagnosis of mites cause garij vrste. The results were subjected to statistical analysis, using the software SAS (Statistical Analysis System), according to technical, descriptive and inferential statistics, including analyses of agreement considering the significance levei of 5% through the exact testing of Fischer and Chi-square. Of the total samples for diagnosis mycological 24 (48%) and 48 (96%) were positive by direct examination and culture selective, respectively, with a significant difference between the two techniques. Microsporum gypseum was isolated in 2 (4%) samples and in 46 (92%) were isolated sapróbios fungi: Alternaria sp, Malassezia sp, Aspergillus sp., Aspergillus niger, Aspergillus fumigatus, Aspergillus flavus, Absidia sp., Absidia corymbifera, Scopulariopsis sp., Mucor sp., Rhizopus sp., Penicillium sp., Chaetomium sp., Candida spp., Curvularia sp., Cladosporium sp., Fusarium sp. Yeast and fungi. Detected is highest number of positive animais in the age group of up to 1 year, was not observed in sexual or racial bias. Bactéria were isolated in 47 (94%) samples and the gender Staphylococcus more frequent. An examination of scrapings of skin mite detected the species Demodex canis in 5 (10%) animais. Among the primary lesion is highlighted plate with 66% of occurrence and alopecia is in the secondary skin lesions more often (98%). The regions affected most frequently were the trunk, the cephalic region and the members later. It is emphasized the importance of culture in diagnosis of selective dermatomicoses and dermatophytoses caninas.