Outbreak of Contagious Ecthyma in Free-Ranging Iberian Ibex (Capra pyrenaica) in the Montgrí Massif Natural Park, Catalonia, Northeastern Spain.

IF 1.1 4区农林科学 Q3 VETERINARY SCIENCES Journal of Wildlife Diseases Pub Date : 2024-10-01 DOI:10.7589/JWD-D-23-00080

Josep Estruch, Emmanuel Serrano, Remigio Martínez, Ignacio García-Bocanegra, Marta Valldeperes, Jordi Ruiz-Olmo, Jordi Bartolomé, Albert Alemany, Santiago Lavín, Roser Velarde

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Abstract

Contagious ecthyma is a common, worldwide, and highly transmissible viral zoonotic skin disease caused by the orf virus (ORFV). It mainly affects farmed small ruminants, but it has also been described in a broad range of wild and domestic mammals, with Caprinae species most susceptible. Between November 2019 and January 2020, adults, juveniles, yearlings, and kids from an Iberian ibex (Capra pyrenaica) population established in the Montgrí Massif Natural Park (Catalonia, northeastern Spain) were observed with clinical signs and lesions compatible with ORFV infection. The carcass of an adult male with severe disease enabled sample collection for histopathology and molecular studies, confirming ORFV DNA in the skin lesions. Sequence analyses indicated that the ORFV strain detected had high homology (>98%) with strains previously obtained from other European wild ruminant species. The outbreak peaked in December 2019, with an estimated prevalence of 68.97% (95% confidence interval, 53.35-84.59). From February 2020 forward, no individuals with lesions were observed. The yearly counts for population monitoring corroborated the apparently negligible ORFV impact on the ibex population of the Montgrí Natural Park. There are no previous reports of contagious ecthyma in a free-ranging Iberian ibex population.

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西班牙东北部加泰罗尼亚蒙特格里山丘自然公园中自由觅食的伊比利亚山羊（Capra pyrenaica）爆发传染性外皮瘤。

传染性外皮藓是一种常见的世界性高传播病毒性人畜共患皮肤病，由orf病毒（ORFV）引起。该病主要影响养殖的小反刍动物，但在多种野生和家养哺乳动物中也有发生，其中以毛冠科动物最易感染。2019 年 11 月至 2020 年 1 月期间，在蒙特格里山丘自然公园（西班牙东北部加泰罗尼亚）观察到伊比利亚山羊（Capra pyrenaica）种群的成年、幼年、一岁羔羊和儿童出现与 ORFV 感染相符的临床症状和病变。通过采集一只发病严重的成年雄性山羊的尸体样本进行组织病理学和分子研究，证实皮肤病变中含有 ORFV DNA。序列分析表明，检测到的 ORFV 株系与之前从其他欧洲野生反刍动物物种中获得的株系具有高度同源性（>98%）。疫情在 2019 年 12 月达到高峰，估计发病率为 68.97%（95% 置信区间，53.35-84.59）。自 2020 年 2 月起，未观察到有病变的个体。对种群监测的年度计数证实，ORFV 对蒙特格里自然公园山羊种群的影响显然可以忽略不计。此前没有关于伊比利亚山羊种群传染性外皮瘤的报道。

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来源期刊

Journal of Wildlife Diseases 农林科学-兽医学

CiteScore

2.70

自引率

0.00%

发文量

213

审稿时长

6-16 weeks

期刊介绍： The JWD publishes reports of wildlife disease investigations, research papers, brief research notes, case and epizootic reports, review articles, and book reviews. The JWD publishes the results of original research and observations dealing with all aspects of infectious, parasitic, toxic, nutritional, physiologic, developmental and neoplastic diseases, environmental contamination, and other factors impinging on the health and survival of free-living or occasionally captive populations of wild animals, including fish, amphibians, reptiles, birds, and mammals. Papers on zoonoses involving wildlife and on chemical immobilization of wild animals are also published. Manuscripts dealing with surveys and case reports may be published in the Journal provided that they contain significant new information or have significance for better understanding health and disease in wild populations. Authors are encouraged to address the wildlife management implications of their studies, where appropriate.