塞尔维亚东北部野猪体内猪圆环病毒的检测和特征描述。

IF 0.6 4区 农林科学 Q3 VETERINARY SCIENCES Veterinarni Medicina Pub Date : 2022-01-10 eCollection Date: 2022-03-01 DOI:10.17221/32/2021-VETMED
Jakov Nisavic, Nenad Milic, Andrea Radalj, Milorad Mirilovic, Branislav Vejnovic, Milivoje Cosic, Aleksandra Knezevic, Ljubisa Veljovic, Aleksandar Zivulj
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引用次数: 0

摘要

目的是扩大和更新有关塞尔维亚东北部狩猎场野猪种群中猪圆环病毒 2 和 3(PCV2 和 PCV3)的存在和基因型多样性的知识。在 2018 年至 2019 年期间狩猎的 124 头野猪的器官样本中,40.32% 的样本证实存在 PCV3,这表明 PCV2 在病毒循环中的重要性,因为该地区普遍存在传统养猪场,其 PCV2 疫苗接种策略不规范。最普遍的基因型是 PCV2d,其次是 PCV2b 和 PCV2a,分别占检查样本的 55.6%、38.9% 和 5.5%。检测到的毒株的核苷酸序列在基因型内是同源的,并聚集在 PCV2d-2、PCV2b-1A/B 和 PCV2a-2D 亚群中,与欧洲、中国和塞尔维亚家猪序列具有很高的同一性,这表明了它们的来源。野猪没有感染的临床或病理症状,这意味着这些动物对疾病的易感性较低,尤其是因为养猪系统中支持疾病发展的辅助因子在野外并不存在。PCV2 的高检出率表明了对野生动物进行监测以跟踪病毒种群动态的重要性,尤其是在散养猪场地区,以便制定适当的疾病控制策略。
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Detection and characterisation of porcine circoviruses in wild boars in northeastern Serbia.

The objective was to expand and update the knowledge on the presence and genotype diversity of porcine circoviruses 2 and 3 (PCV2 and PCV3) in the wild boar populations from the hunting grounds in northeastern Serbia. The presence of PCV3 was not determined, and PCV2 was confirmed in 40.32% of the organ samples from 124 wild boars hunted from 2018 to 2019, indicating their significance in virus circulation since traditional pig farms with irregular PCV2 vaccination strategies are widespread in this region. The most prevalent genotype was PCV2d, followed by PCV2b and PCV2a in 55.6%, 38.9%, and 5.5% of the examined samples, respectively. Nucleotide sequences of the detected strains were homogenous within the genotype and clustered within the subgroups PCV2d-2, PCV2b-1A/B, and PCV2a-2D with high identity to European, Chinese, and Serbian domestic pig sequences suggesting their origin. Wild boars presented with no clinical or pathological signs of infection, implying that these animals might be less susceptible to disease, particularly since the cofactors present in pig farming systems that support the disease development are absent in the wild. The high PCV2 detection frequency demonstrates the importance of wildlife monitoring to track virus population dynamics, especially in regions with free-range pig farming in order to plan adequate disease control strategies.

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来源期刊
Veterinarni Medicina
Veterinarni Medicina Veterinary Sciences-兽医学
CiteScore
1.30
自引率
0.00%
发文量
62
审稿时长
18-36 weeks
期刊介绍: The journal Veterinarni Medicina publishes in English original papers, short communications, critical reviews and case reports from all fields of veterinary and biomedical sciences.
期刊最新文献
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