The main point of the research was to find the predilection site for Malassezia pachydermatis on the cats’ skin, describe connection between the site of Malassezia and the skin pH and eventual correlation between Malassezia and neutering of cats. Research was lead on 24 adult (12 neuter, 12 intact) male cats. 12 do not manifest the clinical symptoms of disease. The other 12 cats were chosen upon the skin lesions to the identification group, suggested as Malassezia infection. The predilection site for the seborrhea lesion was; chin, external ear canal and caudal region. The lowest skin ph was detected in external ear canal. In cats with seborrhea lesion from which Malassezia was isolated, the pH of skin was lower than in healthy cats. There was no correlation between skin pH and neutering of a male cat.

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