Dermatophytosis is one of the most common mycoses in dogs; however, reports from Indonesian shelters are lacking. This study investigated canine dermatophytosis at one shelter in Bogor (2024), focusing on the characterization of lesions and point prevalence. Signalment, breed, sex, and medical history were recorded, followed by a dermatological examination and lesion scoring. Diagnostic procedures included Wood's lamp testing and fungal sampling using the MacKenzie toothbrush method in 20 dogs, supplemented by scrapings and hair plucking from dogs with lesions. Samples were cultured on Sabouraud Dextrose Agar and subcultured onto Potato Dextrose Agar for identification. Of the 20 dogs, 17 (85%) exhibited lesions, most commonly alopecia (11/20; 55%), scaling/crusting (8/20; 40%), erythema (3/20; 15%), miliary dermatitis (2/20; 10%), and pustules/papules (1/20; 5%). Wood's lamp test was positive in 10 dogs (50%). Direct microscopic examination of scrapings and hair plucks consistently revealed hyphae. Fungal culture confirmed Microsporum canis in one symptomatic female Beagle (5%). The infected dog had alopecia and crusted lesions, indicating an active infection. Overall, the findings highlight a high frequency of dermatological abnormalities in shelter dogs but a low culture-confirmed prevalence of dermatophytosis. These results emphasize the need for broader surveillance across shelters to clarify the epidemiology and guide effective management strategies.
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