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在母猪中流产和致命的败血症是由非ST194菌株引起的Streptococcus equi亚种. 动物流行病 (zooepidemicus) 是一种动物流行病
Ervin Albert1,2, István Emil Kis1, Krisztián Kiss3
1Department of Pathology University of Veterinary Medicine Budapest, Üllő, Hungary.
Transboundary and emerging diseases
|April 30, 2025
概括
一个新的Streptococcus equi亚种. 动物流行病 (SEZ) 菌株ST138在匈牙利母猪中引起致命的败血症和流产. 这一发现凸显了养猪场中非ST194特别经济区菌株的风险.
科学领域:
- 兽医微生物学 兽医微生物学
- 动物健康 动物健康
- 动物传播疾病 动物传播疾病
背景情况:
- 动物性感染性链球菌同等亚种. 动物流行病 (SEZ) 导致严重的猪流行病,主要与亚洲和北美的毒性ST194血统有关.
- 欧洲经济特区的爆发很少发生,并且涉及不同的序列类型 (ST).
研究的目的:
- 为了调查匈牙利一家养猪场的母猪发烧病,流产和败血症的不寻常爆发.
- 描述引起的SEZ菌株,并确定潜在的诱导因素.
主要方法:
- 临床和病理检查受影响的母猪.
- 微生物学分离和识别Streptococcus equi亚种. 动物流行病.动物流行病.
- 全基因组测序用于菌株类型和病毒性基因分析.
主要成果:
- 疫情是由SEZ引起的,受影响的母猪表现出败血症,流产和死亡.
- 全基因组测序确定病原体为ST138,与之前报告的欧洲和高度毒性ST194菌株不同.
- 环境温度的突然升高被确定为潜在的诱导因素.
结论:
- 这是第一次报告中欧和东欧母猪中SEZ引起的流产和致死性败血症.
- 该研究强调了非ST194特别经济区菌株可能导致猪群中重大疾病爆发的可能性.
- 有效的抗生素治疗和生物安全措施对于控制疫情至关重要.
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