养殖野猪(Sus scrofa)中旋毛虫螺旋体的发生:在中国被低估的风险。

IF 2.1 3区 医学 Q2 PARASITOLOGY Parasitology Pub Date : 2024-12-03 DOI:10.1017/S0031182024001288
Nian-Zhang Zhang, Meng Wang, Wei-Gang Chen, Wen-Yan Gai, Thanh Thi Ha Dao, Ting-Ting Li, Wen-Hui Li, Hai-Rui Zhang, Hong Yin, Nguyen Thi Bich Thuy, Bao-Quan Fu
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引用次数: 0

摘要

据报道,旋毛虫属在人类和150多种动物,特别是肉食性和杂食性哺乳动物中有自然感染。虽然在世界范围内都有记录表明野猪中存在旋毛虫感染(Sus scrofa),但关于中国养殖野猪中旋毛虫传播的信息有限。本研究旨在调查中国养殖野猪中旋毛虫的流行情况。2017 - 2020年在吉林省采集了761份养殖野猪肌肉样本。采用人工消化法检查膈肌。养殖野猪中旋毛虫的总体流行率为0.53%[95%可信区间(CI): 0.51-0.55]。抚松市野猪平均寄生量为0.076±0.025只/ g (lpg),最高为0.21只/ g (lpg)。旋毛虫是唯一经多重聚合酶链反应鉴定的菌种。对旋毛虫5S rDNA基因间隔区进行扩增和测序。结果表明,所获得的序列(GenBank登录号:OQ725583)与螺旋螺旋体HLJ分离株(GenBank登录号:MH289505)同源性100%。由于养殖野猪的消费量预计将在未来增加,这些研究结果强调了在中国制定屠宰养殖野猪肉加工专门指南的重要性。
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Occurrence of Trichinella spiralis in farmed wild boars (Sus scrofa): an underrated risk in China.

Natural infection by Trichinella sp. has been reported in humans and more than 150 species of animals, especially carnivorous and omnivorous mammals. Although the presence of Trichinella sp. infection in wild boars (Sus scrofa) has been documented worldwide, limited information is known about Trichinella circulation in farmed wild boars in China. This study intends to investigate the prevalence of Trichinella sp. in farmed wild boars in China. Seven hundred and sixty-one (761) muscle samples from farmed wild boars were collected in Jilin Province of China from 2017 to 2020. The diaphragm muscles were examined by artificial digestion method. The overall prevalence of Trichinella in farmed wild boars was 0.53% [95% confidence interval (CI): 0.51–0.55]. The average parasite loading was 0.076 ± 0.025 larvae per gram (lpg), and the highest burden was 0.21 lpg in a wild boar from Fusong city. Trichinella spiralis was the only species identified by multiplex polymerase chain reaction. The 5S rDNA inter-genic spacer region of Trichinella was amplified and sequenced. The results showed that the obtained sequence (GenBank accession number: OQ725583) shared 100% identity with the T. spiralis HLJ isolate (GenBank accession number: MH289505). Since the consumption of farmed wild boars is expected to increase in the future, these findings highlight the significance of developing exclusive guidelines for the processing of slaughtered farmed wild boar meat in China.

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来源期刊
Parasitology
Parasitology 医学-寄生虫学
CiteScore
4.80
自引率
4.20%
发文量
280
审稿时长
3-8 weeks
期刊介绍: Parasitology is an important specialist journal covering the latest advances in the subject. It publishes original research and review papers on all aspects of parasitology and host-parasite relationships, including the latest discoveries in parasite biochemistry, molecular biology and genetics, ecology and epidemiology in the context of the biological, medical and veterinary sciences. Included in the subscription price are two special issues which contain reviews of current hot topics, one of which is the proceedings of the annual Symposia of the British Society for Parasitology, while the second, covering areas of significant topical interest, is commissioned by the editors and the editorial board.
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