一株维氏气单胞菌的分离鉴定及药敏特性研究

Hebei Fisheries(2022)

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Abstract
从邯郸魏县患病锦鲤(Cyprinus carpio koi)体内分离获得一株革兰氏阴性菌,对其形态特征、生理生化特性及16S rDNA序列进行分析,鉴定其为维氏气单胞菌(Aeromnonas veronii);经人工感染试验,发现菌液浓度3.0×1010CFU/mL下感染锦鲤发病,对发病锦鲤进行病原菌分离、观察、生理生化特性鉴定及16S rD-NA序列分析,与感染试验菌株为同一种菌.采用微量肉汤稀释法对该菌株进行药敏试验,发现其对盐酸多西环素、恩诺沙星、氟甲喹、氟苯尼考、甲砜霉素、磺胺间甲氧嘧啶钠、磺胺甲嗯唑+甲氧苄啶敏感,对硫酸新霉素中度敏感.
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