在淡水Biofloc系统中养的Anabas testudineus中出现人类相关的细菌病原体
Nayan Chouhan1, Muneshwar Pavankalyan1, Rajashree Devi1
1Department of Aquatic Health and Environment, College of Fisheries, Central Agricultural University, Lembucherra, Agartala, 799210, Tripura West, India.
Scientific reports
|October 21, 2025
概括
印度贫困的生物分流养殖导致疾病爆发. 鱼类中的不卫生条件和人类病原体带来了风险,突出显示了需要在水产养殖中改善生物安全和疾病管理.
科学领域:
- 水产养殖是水产养殖的一种方式.
- 微生物学 微生物学
- 兽医医学 兽医医学 兽医医学
背景情况:
- 印度的淡水鱼类养殖生物点系统因疾病爆发而面临高失败率.
- 卫生条件不佳被认为是这些系统中新型疾病出现的主要驱动因素.
研究的目的:
- 调查印度淡水鱼类生物分流系统中疾病爆发的原因.
- 为了检查贫困的生物菌群管理,逆转动物病和Anabas testudineus中的抗菌素耐药性之间的联系.
主要方法:
- 隔离和识别 (形态,生化,分子) 十二种致病性细菌菌株从鱼在生物环境.
- 评估细菌外酶活动和抗生素敏感性测试.
主要成果:
- 鉴定出了8种格拉姆阴性杆菌和4种格拉姆阳性杆菌.
- 大多数分离物,包括Enterobacter cloacae,Klebsiella aerogenes,Citrobacter werkmanii和Acinetobacter seifertii,主要是人类的病原体.
- 大多数分离物体中观察到固有的抗微生物耐药性,这表明生物分离系统可能会促进耐药性.
- 外酵素活动表明了致病潜力.
结论:
- 生物分流管理不善有助于疾病爆发和养殖鱼类中人类病原体的存在.
- 有相当大的反向动物性病的风险,需要加强生物安全措施.
- 生物点系统可能会促进抗菌素耐药性的发展,而不依赖于抗生素的使用.
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