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  • Title: Dermatophytes as a cause of epizoonoses in dairy cattle and humans in Iran: epidemiological and clinical aspects.
    Author: Aghamirian MR, Ghiasian SA.
    Journal: Mycoses; 2011 Jul; 54(4):e52-6. PubMed ID: 20041996.
    Abstract:
    Zoophilic dermatophytosis is a major public and veterinary health problem globally widespread among cattle. To identify the causative agent and geographical distribution of dermatophytes involved in cattle ringworm and to establish if they would be related to human diseases in Iran, a study was carried out on 6789 heads of cows and 130 herdsmen during 2006-2007. Samples were taken from 380 cattle and 43 herdsmen with suspected dermatophytosis. The causative agents were identified macroscopically and microscopically by KOH examination and culture isolation. Only 352 cases of dermatophytosis were identified in cattle and Trichophyton verrucosum was the exclusive fungus isolated from animals. Moreover, 27 cases of human dermatophytosis were identified and T. verrucosum was the prevalent causative agent for dermatophytosis in the body, scalp, foot, nail and groin of the patients. The obtained results showed that T. verrucosum was the predominant cause of dermatophytosis in livestock and dairy farmers. There is a scarcity of information on isolation and identification of the epizoonotic agents of dermatophytoses in cattle in Iran. This study showed the occurrence of dermatophytosis in humans and cattle and confirms that the dermatozoonoses are responsible for predominant forms of the disease in people who were in contact with cattle.
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