Summary This study was performed to evaluate the diversity and prevalence of yeasts associated with oesophageal mycosis in domestic ducks and geese. Fungi were isolated from oesophageal lesions of dead animals sent to microbiological laboratory diagnosis. Species identification using culture-dependent method was carried out by sequencing of the ITS1-5.8S rRNA-ITS2 region. The most frequently isolated yeast was Candida albicans (43.1%), followed by Saccharomyces cerevisiae (17.6%), C. kefyr (11.7%), Kazachstania bovina (11.7%), C. lambica (3.9%), and single isolates (1.9-1.9%) representing C. inconspicua , C. rugosa , C. pelliculosa , C. krusei, Magnusiomyces capitatus and Trichosporon asahii , respectively. Our results indicate that a number of potentially pathogenic yeast species can be isolated from oesophageal mycosis of waterfowls, but additional studies are needed to make conclusion regarding their possible etiologic role in disease.

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