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Species composition of Malassezia yeasts in dogs in Slovakia

Zuzana Sihelská, Peter Váczi, Eva Conková

    Berliner Und Munchener Tierarztliche Wochenschrift
    |August 18, 2016
    PubMed

    Insights

    This study investigated Malassezia yeast in dogs. Lipid-dependent Malassezia species were rarely found in healthy dogs, with Malassezia pachydermatis being the most common yeast overall.

    Area of Science:

    • Veterinary Dermatology
    • Microbiology
    • Canine Health

    Background:

    • Malassezia (M.) pachydermatis is a common lipophilic yeast on dog skin and ears.
    • Overgrowth can lead to dermatitis and otitis externa in dogs.
    • The prevalence of lipid-dependent Malassezia species in dogs remains poorly understood.

    Purpose of the Study:

    • To determine if lipid-dependent Malassezia yeasts are part of the normal microflora in dogs.
    • To compare yeast occurrence between healthy dogs and those with skin or ear conditions.

    Main Methods:

    • Genotypic identification methods were used for precise Malassezia species identification.
    • Samples were collected from 118 healthy dogs and 328 dogs with cutaneous lesions or otitis externa.

    Main Results:

    • Malassezia pachydermatis was the most frequently isolated species (121 isolates).
    • Lipid-dependent species were rare: only four Malassezia furfur and one Malassezia nana isolate were identified.
    • This suggests lipid-dependent Malassezia are not a major component of normal canine microflora.

    Conclusions:

    • Malassezia pachydermatis is the predominant Malassezia species in the canine population studied.
    • Lipid-dependent Malassezia species appear to be uncommon in the normal microflora of dogs.
    • Further research may elucidate the role of lipid-dependent Malassezia in canine dermatological conditions.

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