Early Detection and Management of Lamanema chavezi infection in a llama (Lama glama) in Switzerland.

IF 1.8 3区 农林科学 Q2 VETERINARY SCIENCES Veterinary Research Communications Pub Date : 2024-10-01 Epub Date: 2024-07-16 DOI:10.1007/s11259-024-10465-2
Diana S Gliga, Anne Kramer, Gastón Moré, Caroline F Frey, Walter Basso
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Abstract

Lamanema chavezi is an entero-hepatic strongylid parasite specific to South American camelids. It has been reported only on few occasions outside South America. Due to its hepatic migration, it can cause extensive liver damage, leading to granulomatous and fibrotic hepatitis and manifesting with lethargy, anorexia, and even death. We are reporting the second case of L. chavezi infection in Europe and the first in Switzerland. The patient was a three-year old neutered male llama (Lama glama). Clinical examination revealed bloody mucous discharge from the anus. Fecal sedimentation/flotation revealed strongylid eggs consistent with L. chavezi, which were molecularly confirmed by a PCR targeting the ITS2 plus 5.8S and 28S rDNA flanking regions and amplicon sequencing. Eighteen weeks after administration of a single dose of eprinomectin (0.2 mg/kg i.m.), no further L. chavezi eggs were detected in the feces. The source of infection could not be traced back. The entire herd consisted of llamas bred in Switzerland. L. chavezi has been rarely reported outside South America, but its potential for pathogenicity and establishment should not be underestimated. Fecal sedimentation/flotation techniques should be routinely performed to ensure early detection of the parasite.

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瑞士骆驼(Lama glama)感染拉曼莫氏菌(Lamanema chavezi)的早期检测和管理。
Lamanema chavezi 是南美洲驼科动物特有的一种肠肝强直性寄生虫。在南美洲以外的地区,只有少数几次报道过这种寄生虫。由于其肝脏迁移性,它可造成广泛的肝损伤,导致肉芽肿性和纤维性肝炎,表现为嗜睡、厌食甚至死亡。我们报告的是欧洲第二例、瑞士第一例 L. chavezi 感染病例。患者是一只三岁大的阉割雄性骆驼(Lama glama)。临床检查发现肛门有血性粘液分泌物。粪便沉淀/浮选发现了与L. chavezi一致的强直虫卵,通过针对ITS2加上5.8S和28S rDNA侧翼区的PCR和扩增子测序进行了分子确证。施用单剂量的伊普瑞林(0.2 mg/kg i.m.)18周后,粪便中没有再检测到L. chavezi虫卵。感染源无法追溯。整个骆驼群由在瑞士饲养的骆驼组成。L. chavezi 在南美洲以外的地区鲜有报道,但其潜在的致病性和确立性不容低估。应定期进行粪便沉淀/浮选技术,以确保及早发现寄生虫。
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来源期刊
Veterinary Research Communications
Veterinary Research Communications 农林科学-兽医学
CiteScore
2.50
自引率
0.00%
发文量
173
审稿时长
3 months
期刊介绍: Veterinary Research Communications publishes fully refereed research articles and topical reviews on all aspects of the veterinary sciences. Interdisciplinary articles are particularly encouraged, as are well argued reviews, even if they are somewhat controversial. The journal is an appropriate medium in which to publish new methods, newly described diseases and new pathological findings, as these are applied to animals. The material should be of international rather than local interest. As it deliberately seeks a wide coverage, Veterinary Research Communications provides its readers with a means of keeping abreast of current developments in the entire field of veterinary science.
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