Gasterophilus in horses from Romania: diversity, prevalence, seasonal dynamics, and distribution.

IF 1.8 3区 医学 Q2 PARASITOLOGY
Ș O Rabei, A S Cârstolovean, C A Culda, A D Mihalca
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引用次数: 0

Abstract

This is the first study that targets the epidemiology of Gasterophilus spp. in slaughtered horses from Romania. Previously to our research, there were five recorded species: Gasterophilus haemorrhoidalis, Gasterophilus inermis, Gasterophilus intestinalis, Gasterophilus nasalis, and Gasterophilus pecorum with a dispersed distribution throughout the country, the data being recorded more than 73 years ago. The collection of Gasterophilus larvae was carried out from the digestive system (stomach, duodenum, and rectum) of horses in three abattoirs, monthly between January 2023 and December 2023. Following dissection, all larvae were stored in absolute ethanol until morphological and molecular identification. The larvae were counted and identified according to morphological keys. Overall, 394 horses were examined, of which 211 (53.6%) were infected with L2 or L3 of Gasterophilus spp. Only two species were found: G. intestinalis (prevalence 52.0%) and G. nasalis (14.0%). Coinfection with both species occurred in 49 horses (12.4%). In total, 9759 larvae were collected (7916 L3 and 1843 L2). Larvae were localized in the stomach (G. intestinalis) and duodenum (G. nasalis) of horses. There was a strong seasonal variation in the mean intensity and mean abundance for both G. intestinalis and G. nasalis larvae and also for coinfections (p < 0.05). There were no significant differences between prevalence and mean intensity across gender, group age, or horse colour. Our findings show that Gasterophilus infection is widespread within Romania territory, being a possible cause of illness and welfare issues in horses.

罗马尼亚马的嗜胃杆菌:多样性、流行率、季节动态和分布。
这是针对罗马尼亚屠宰马胃杆菌流行病学的第一项研究。在我们的研究之前,有5种记录的物种:痔疮胃ophilus、无胃胃ophilus、肠胃胃ophilus、鼻胃胃ophilus和pecororum,分布在全国各地,记录的数据超过73年。在2023年1月至2023年12月期间,每月从三个屠宰场的马的消化系统(胃、十二指肠和直肠)采集胃乳杆菌幼虫。解剖后,所有幼虫保存在无水乙醇中,直到形态和分子鉴定。根据形态键数对幼虫进行计数和鉴定。共检出394匹马,其中211匹马(53.6%)感染胃杆菌L2或L3种,仅发现肠芽孢杆菌(52.0%)和鼻芽孢杆菌(14.0%)2种。49匹马(12.4%)同时感染这两种病毒。共捕获幼虫9759只(L3 7916只,L2 1843只)。马的胃(g.n ninteinalis)和十二指肠(g.n asalis)都有幼虫。在平均强度和平均丰度上,肠夜蛾和鼻夜蛾的幼虫以及共感染都有很强的季节变化
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来源期刊
Parasitology Research
Parasitology Research 医学-寄生虫学
CiteScore
4.10
自引率
5.00%
发文量
346
审稿时长
6 months
期刊介绍: The journal Parasitology Research covers the latest developments in parasitology across a variety of disciplines, including biology, medicine and veterinary medicine. Among many topics discussed are chemotherapy and control of parasitic disease, and the relationship of host and parasite. Other coverage includes: Protozoology, Helminthology, Entomology; Morphology (incl. Pathomorphology, Ultrastructure); Biochemistry, Physiology including Pathophysiology; Parasite-Host-Relationships including Immunology and Host Specificity; life history, ecology and epidemiology; and Diagnosis, Chemotherapy and Control of Parasitic Diseases.
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