宁夏肉牛皮肤病原真菌的分离与鉴定(2)
时间:2015-10-14 14:50
来源:发表吧
作者: 松、蒋 万、何生虎、
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牛真菌性皮肤病的发生及流行主观归因于养殖人员以及科研人员的重视程度较低，客观归因于厂区养殖条件较差。研究发现，由于在临床诊治过程中牛真菌性皮肤病易与疥螨等寄生虫病混淆，常导致临床给药错误，治疗效果较差。目前，对牛真菌性皮肤病的研究主要集中在临床诊断及治疗上，对病原真菌种属分类、快速鉴别诊断研究较少，其致病机理不清楚。
因而，针对牛真菌性皮肤病的病原鉴别、致病机理、治疗药物筛选及剂型等方面有待进一步深入研究。
4 结论
本研究从15 份肉牛皮屑病料样本中共分离到23株真菌，分属于毛癣菌属（Trichophyton）、曲霉属（Aspergillus）、横梗霉属（Lichtheimia）、链格孢属（Alternaria）、镰刀菌属（Fusarium）、附球菌属（Epicoccum）、毛霉菌属（Mucor）。经筛选，其中2 株毛癣菌属真菌为牛真菌性皮肤病的主要致病菌，通过真菌形态学特征及遗传进化分析结果将病原真菌NXGY1、NXGY2 鉴定为疣状毛癣菌。
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