Trichinellosis is a zoonotic disease, which represents a significant public health concern in some South American countries, such as Argentina and Chile. Its impact is essentially due to absence of adequate control measures on meat from game animals, as well as the presence of illegal slaughterhouses and the trade of meat products without being tested for this parasite. In Argentina, trichinellosis is an endemic disease. At present, Trichinella spiralis, Trichinella patagoniensis, Trichinella pseudospiralis, and Trichinella britovi have been detected in animals from Argentina. Until now, T. patagoniensis had only been found in mountain cougars (Puma concolor) in Argentina but there is limited information available. The present study intends to determine susceptibility, serological response and distribution of muscle larvae in wild boars infected with T. patagoniensis, T. spiralis and T. pseudospiralis. For each of the Trichinella species five wild boars were inoculated with 20,000 muscle larvae. Except for two specimens which died during the experiment, the animals were euthanized 19 weeks post infection (pi). Blood samples were collected throughout the study in order to determine the antibody kinetics. Also, nine muscle samples from each specimen were taken and analysed for determination of larval distribution. Additionally, four muscle samples were used to obtain muscle juices. Wild boars infected with T. patagoniensis showed little to no larvae in the muscle samples analysed while animals infected with T. spiralis and T. pseudospiralis had a significantly high larval load in all the samples analysed. Optical density (OD) values remained above the cut-off value throughout the experiment. This is the first study to characterize the biological aspects of T. patagoniensis in wild boars.

旋毛虫病是一种人畜共患疾病，在一些南美国家，如阿根廷和智利，是一个重大的公共卫生问题。其影响主要是由于缺乏对猎物肉类的适当控制措施，以及非法屠宰场的存在和未经这种寄生虫检测的肉类产品贸易。在阿根廷，旋毛虫病是一种地方病。目前，已在阿根廷动物体内检出旋毛虫、巴塔哥尼旋毛虫、假旋毛虫和布氏旋毛虫。到目前为止，T. patagoniensis仅在山地美洲狮（Puma concolor) 在阿根廷，但可用信息有限。本研究旨在确定感染野猪易感性，血清学反应和肌肉幼虫的分布T. patagoniensis，旋毛虫和T. pseudospiralis。对于每个旋毛虫种 5 头野猪接种了 20,000 只肌肉幼虫。除了在实验期间死亡的两个样本外，动物在感染后 (pi) 19 周被安乐死。在整个研究过程中收集血样以确定抗体动力学。此外，从每个样本中取出九个肌肉样本并进行分析，以确定幼虫的分布。此外，四个肌肉样本用于获得肌肉汁。感染了巴塔哥尼线虫的野猪在分析的肌肉样本中几乎没有幼虫，而感染了旋毛线虫和假旋毛线虫的动物在所有分析的样本中，幼虫的数量都非常高。在整个实验过程中，光密度 (OD) 值始终高于截止值。这是第一项对野猪中巴塔哥尼松的生物学特征进行表征的研究。