Abstract
Dermatophytosis is a prevalent skin disease in Yemen. Because it's zoonotic transmission to humans, animal dermatophytosis has a major concern. The present study was thus aimed to isolate and identify dermatophytes from domestic camels. A purposive study was conducted among 165 suspected camels in Dhamar area, Yemen. Skin scrapings were collected from ringworm lesions of the study animals. They were microscopically examined using Potassium Hydroxide (KOH) preparation. Specimens that showed a positive result were then cultured on Sabouraud’s Dextrose Agar (SDA) for identification. A total of 159 (96.4%) of the suspected camels were found to be infected with fungal infection during the direct KOH examination. The infection was significantly higher among young animals of ≤ 12 months (94.3%, χ2 = 73, P < 0.05). Majority of the cultured specimens showed positive growth (93.1%,χ2 = 118, P < 0.05). The overall rate of dermatophyte infection was 83.11%. The frequency of Trichophyton and Microsporum genera were 89.4% and 10.6% of the isolated genera, respectively. The identified species were T. schoenlenii T. verrucosum, T. mentagrophytes, T. tonsurans, M. audouinii and M. canis. Almost half of the study animals were infected with T. schoenlenii (49.6%,χ2 = 102, P < 0.05). Findings of the present study are important in order to provide the health authorities with an epidemiological and microbiological database that are vital for supporting well-organized control programs. Introduction of proper health education is important to improve prevention measures and introduce a better knowledge of dermatophytosis transmission.
Highlights
IntroductionDermatophytosis (syn. ringworm, tinea) is a zoonotic disease caused by a group of fungi called dermatophytes
Dermatophytosis is a zoonotic disease caused by a group of fungi called dermatophytes
The present study was designed to isolate the causative fungi of dermatophytosis from the domestic camels
Summary
Dermatophytosis (syn. ringworm, tinea) is a zoonotic disease caused by a group of fungi called dermatophytes. Ringworm, tinea) is a zoonotic disease caused by a group of fungi called dermatophytes. They invade keratinized tissues of animals causing losses to the milk and meat economy. It is the most frequent mycotic infection in both humans and animals [1]. Epidermophyton, Microsporum and Trichophyton are the main genera of dermatophytes. Based on their ecology, they are classified into anthropophilic, geophilic and zoophilic. They are classified into anthropophilic, geophilic and zoophilic They can directly infect human through a contact with the infested animal or human and indirectly by acquiring the infective materials from the environment [2]. The infection mainly occurs in young camels less than three years [6]
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