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在埃及沙基亚省 (Sharkia Governorate) 的各种鸟类中分离的Pasteurella multocida病理学特征

Azza S El-Demerdash¹, Rehab E Mowafy², Hanan A Fahmy³

¹Laboratory of Biotechnology, Department of Microbiology, Agriculture Research Centre (ARC), Animal Health Research Institute (AHRI), Zagazig, 44516, Egypt. dr.azzasalah@yahoo.com.

World journal of microbiology & biotechnology

|October 8, 2023

概括

这项研究在禽类肺病例中确定了Pasteurella multocida,揭示了高抗菌耐药性和特定的毒性基因. 子和长的毒性更大,法库斯地区最容易感染巴氏菌.

科学领域:

兽医微生物学兽医微生物学
鸟类病理学鸟类病理学
分子流行病学分子流行病学

背景情况:

帕斯托雷拉多 (P. multocida) 是一种引起呼吸系统疾病的重要禽类病原体.
了解毒性和抗菌素耐药性的遗传基础对于有效的控制策略至关重要.
地理和特定物种的风险因素影响着巴氏菌病的爆发.

研究的目的:

从埃及沙基亚省的鸟类肺病例中分离和描述P. multocida.
为了研究组织病理学特征,抗菌素耐药性,毒性基因和危险因素.
为了进行巴氏菌病的流行病学测绘.

主要方法:

从鸟类样本中分离和识别P. multocida.
抗微生物敏感性测试和耐药性和毒性基因的分子特征.
组织病理学检查,尸体分析和流行病学测绘.

主要成果:

在9.4%的受试鸟类中检测到P. multocida,其发病率因物种,气候,品种,年龄和样本类型而异.
所有的分离物都表现出多药性耐药性,对阿莫西西林 - 克拉夫兰酸和红素具有很高的耐药性. 佛罗芬尼科尔和恩罗夫洛克萨显示出敏感性.
病毒性基因 (oma87, sodA, ptfA) 和耐药性基因 (ermX, blaROB-1, mcr-1) 是普遍存在的. 子和长比较有毒. 法库斯地区显示最容易受到感染.

结论:

在研究区域,P. multocida对鸟类健康构成重大威胁,其特点是多种药物耐药性和特定的毒性因子.
子和长被认为是特别易受感染的宿主,它们携带抗菌素耐药基因.
有效的预防和控制策略需要对群体进行监测,及时提供兽医护理,并根据流行病学数据明智使用抗生素.

关键词:

鸟类物种鸟类物种流行病学地图的绘制组织病理学特征组织病理学特征分子表征的分子表征.多种药物耐药性多种药物耐药性这种植物是Pasteurella multocida.

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