Molecular Epidemiology of Babesia and <i>Theileria</i> Species in Sheep in Kars Region of Turkey

泰勒虫 巴贝虫 生物 奥维斯 细小泰勒虫 滴答声 兽医学 玻璃体瘤 巴贝虫病 病毒学 硬蜱科 寄生虫寄主 生态学 医学 万维网 计算机科学
作者
Nilgün Aydın,Zati Vatansever,Mükremin Özkan Arslan
出处
期刊:Türkiye parazitoloji dergisi [Galenos Yayinevi]
卷期号:46 (1): 20-27 被引量:11
标识
DOI:10.4274/tpd.galenos.2021.09709
摘要

This study aimed to evaluate Babesia and Theileria species and vector ticks in sheep in the Eastern Anatolia Region of Turkey.Blood samples were collected from 960 sheep, and ticks were collected from the same animals between January and December 2017. The reverse line blotting (RLB) method was used to analyze Babesia and Theileria piroplasm DNAs. Ticks and tick egg clusters were evaluated in terms of Babesia and Theileria species using the RLB technique.Microscopically, 3.96% (38/960) of Theileria spp. piroplasm forms were identified; however, no Babesia spp. piroplasm forms were identified. The distribution of Babesia and Theileria spp. by RLB was 35.52% (341/960). The species identified included Theileria ovis (24.79%, 238/960), Theileria sp. (6.15%, 59/960), Theileria sp. OT3 (4.27%, 41/960), and Babesia ovis (0.31%, 3/960). Tick infestation was found in 17.5% (168/960) of the sheep. Dermacentor marginatus (66.31%), Haemaphysalis parva (32.73%), Hae. punctata (0.21%), Rhipicephalus bursa (0.53%), and Hyalomma marginatum (0.11%) were identified in the infected sheep. No pathogenic species were found in the analysis of egg clusters or tick carcasses according to the RLB method.Theileria ovis is the theileriosis agent in sheep in the study region. Species commonly detected in tick-infested sheep were D. marginatus and Hae. parva.Çalışmamızda, Kars yöresinde yetiştirilen koyunlarda Babesia ve Theileria türleri ile vektör kenelerin belirlenmesi amaçlanmıştır.Ocak-Aralık 2017 tarihleri arasında 960 koyundan kan örnekleri alınmış ve aynı hayvanların üzerinden kene toplanmıştır. Babesia ve Theileria piroplasm DNA’ları reverse line blotting (RLB) yöntemi ile incelenmiştir. Keneler ve kene yumurta kümeleri de Babesia ve Theileriaa türleri yönünden RLB tekniği ile değerlendirilmiştir.Mikroskobik olarak %3,96 (38/960) oranında Theileria spp. piroplasm formları tespit edilmiş olup, Babesia spp. piroplasm formları saptanmamıştır. RLB ile Babesia ve Theileria türlerinin yaygınlığı %35,52 (341/960) olarak tespit edilmiş olup, başlıca Theileria ovis %24,79 (238/960), Theileria spp., %6,15 (59/960), Theileria sp. OT3 %4,27 (41/960) ve Babesia ovis %0,31 (3/960) türleri/genotipleri belirlenmiştir. Araştırmada kene enfestasyonlarının prevalansı %17,5 (168/960) olarak saptanmıştır. Enfeste koyunlarda Dermacentor marginatus %66,31, Haemaphysalis parva %32,73, Haemaphysalis punctata %0,21, Rhipicephalus bursa %0,53 ve Hyalomma marginatum %0,11 türleri identifiye edilmiştir. RLB yöntemi ile yumurta kümeleri veya kene karkaslarının analizinde patojenik türe rastlanmamıştır.Bölgede koyunlarda theileriosis etkeni olarak Theileria ovis’in sorumlu tür olduğu tespit edilmiştir. Kene ile enfeste koyunlarda yaygın olarak belirlenen türler ise D. marginatus ve Hae. parva’dır.

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