Factors associated with elevated cutaneous Malassezia p a chyderm a tis populations in dogs with Pruritic skin isease

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Abstract
The prevalences of breeds and concurrent diseases in a group of 40 dogs with pruritic skin disease associated with elevated cutaneous Malassezia pachydermatis populations were compared with samples of a dermatological hospital population. The ages and genders of the affected dogs were comparable to those of the dermatology population. Basset hounds, cocker spaniels and West Highland white terriers were significantly overrepresented. Concurrent diseases were diagnosed in 27 dogs, of which 15 were atopic. However, the prevalences of atopic disease, primary keratinisation defects and endocrinopathies in dogs with elevated cutaneous M pachydermatis populations were comparable to those in the dermatology population as a whole. These results indicate that certain breeds are predisposed to the development of elevated cutaneous M pachydermatis populations and that concurrent skin diseases can frequently be identified in affected dogs. However, the relationship between these concurrent diseases and abnormal M pachydermatis populations remains unclear.