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Isolation and Identification of Potential Zoonotic Dermatophytes from Domestic Camels in Dhamar Area, Yemen

机译:也门达哈尔地区家养骆驼的潜在人畜共患皮肤癣菌的分离与鉴定

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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%, χ~2 = 73, P < 0.05). Majority of the cultured specimens showed positive growth (93.1%, χ~2 = 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%, χ~2 = 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.
机译:皮肤癣菌病是也门普遍的皮肤病。由于动物皮肤癣菌病是人畜共患病的传播途径,因此引起了人们的极大关注。因此,本研究旨在从家养骆驼中分离和鉴定皮肤真菌。对也门达哈尔地区的165只可疑骆驼进行了一项有目的的研究。从研究动物的癣病变处收集皮肤刮屑。使用氢氧化钾(KOH)制剂对其进行了显微镜检查。然后,将显示出阳性结果的标本在Sabouraud的葡萄糖琼脂(SDA)上培养以进行鉴定。在直接的KOH检查中,总共发现159只(96.4%)可疑骆驼被真菌感染。在≤12个月的幼小动物中,感染率更高(94.3%,χ〜2 = 73,P <0.05)。培养的标本多数呈正增长(93.1%,χ〜2 = 118,P <0.05)。皮肤真菌感染的总发生率为83.11%。毛癣菌属和小孢子菌属的发生率分别为分离属的89.4%和10.6%。鉴定出的物种为美氏锥虫,疣状锥虫,棉铃虫,扁桃体虫,金杜氏肌和犬莫氏菌。几乎一半的研究动物感染了美氏梭状芽胞杆菌(49.6%,χ〜2 = 102,P <0.05)。为了向卫生当局提供流行病学和微生物学数据库,本研究的发现很重要,这对于支持组织良好的控制计划至关重要。引入适当的健康教育对于改善预防措施和了解皮肤癣菌传播的重要知识。

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