塞尔维亚大型商业养猪场非洲猪瘟疫情调查

IF 0.7 4区 农林科学 Q3 VETERINARY SCIENCES
Milijana Nešković, Bojan Ristić, Rade Došenović, S. Grubač, T. Petrović, J. Prodanov-Radulović, V. Polaček
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引用次数: 9

摘要

塞尔维亚首例非洲猪瘟(ASF)确诊病例发生于2019年。从那时起,据报道在家猪和野猪中发生了多次疫情。直到2021年4月,所有发现的非洲猪瘟病例都在后院猪中。除了后院和小农养殖系统是塞尔维亚主要的养猪生产系统外,还可以发现大型商业养猪场,主要位于村庄。2021年4月初,塞尔维亚一家拥有近1.9万头猪的大型商业猪场感染了非洲猪瘟病毒。本文分析的养猪场位于较早前在后院和野猪中证实非洲猪瘟的地区。在这项研究中,我们描述了非洲猪瘟暴发的总体流行病学过程。采用基于假设的方法进行了流行病学调查,以便在正式通报之前重建疾病进程。对该农场的所有可用数据进行了分析,目的是确定高危期。在感染源和非洲猪瘟进入途径方面,需要考虑的一些要点如下:农场附近地区的污染、危险的人类活动、外部农场生物安全方面的不规范和某些疏漏,以及邻近处理公共废物的城市废物场。综上所述,当商品养猪场周围有大量后院的村庄时,人为因素是非洲猪瘟传播的关键危险因素。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
African Swine Fever Outbreak Investigation on Large Commercial Pig Farm in Serbia
Abstract The first confirmed case of African Swine Fever (ASF) in Serbia occurred in 2019. Since then, numerous outbreaks in domestic pigs and wild boars have been reported. Until April 2021, all the detected ASF cases were in backyard pigs. Beside backyard and smallholders farming systems as a dominant pig production system in Serbia, large commercial pig farms can also be found, located mostly in villages. In the beginning of April 2021, a large commercial farrow-to-finish pig farm in Serbia with almost 19,000 animals was affected with the ASF virus. The pig farm analysed in this paper is located in an area where ASF was confirmed earlier in both backyard and wild boars. In this study, we describe the overall epidemiological course of the ASF outbreak. Epidemiological investigation using a hypothesis-based approach was conducted in order to reconstruct the disease course until the official notification. All the available data from the farm were analysed with the aim to determine the high-risk period (HRP). Some of the key points to consider when it comes to the sources of infection and entry route of ASF are the following: contamination of the area in the immediate vicinity of the farm, risky human activities, irregularities and some omissions in the external farm biosecurity and immediate proximity of the city waste-yard where the communal waste is disposed of. It was concluded that when commercial pig farms are surrounded by villages with a large number of backyards, hence the anthropogenic factor is the key risk factor for ASF spreading.
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来源期刊
Acta Veterinaria-Beograd
Acta Veterinaria-Beograd 农林科学-兽医学
CiteScore
1.30
自引率
16.70%
发文量
33
审稿时长
18-36 weeks
期刊介绍: The Acta Veterinaria is an open access, peer-reviewed scientific journal of the Faculty of Veterinary Medicine, University of Belgrade, Serbia, dedicated to the publication of original research articles, invited review articles, and to limited extent methodology articles and case reports. The journal considers articles on all aspects of veterinary science and medicine, including the diagnosis, prevention and treatment of medical conditions of domestic, companion, farm and wild animals, as well as the biomedical processes that underlie their health.
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