ArticleArchives of Razi Institute2021
Molecular Detection of Theileria annulata among Dairy Cattle and Vector Ticks in the Herat Area, Afghanistan.
Article in Archives of Razi Institute, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 16 citations in OpenAlex.
- Reference Values and Effect of Age on Hemogram in Landim Cattle Raised in Extensive System in Districts of Xai-Xai, Limpopo, and Chongoene, Gaza Province, Mozambique.Veterinary sciences · 2025Article
- Investigation of Babesia spp. and Theileria spp. in ticks from Western China and identification of a novel genotype of Babesia caballi.BMC veterinary research · 2024Article
- Molecular identification, risk factor assessment, and phylogenetic analysis of tick-borne pathogens in symptomatic and asymptomatic cattle from South-Eastern Iran.Experimental & applied acarology · 2024Article
- Guardians of the Herd: Molecular Surveillance of Tick Vectors Uncovers Theileriosis Perils in Large Ruminants.Microorganisms · 2023Article
- Parasitological detection ofVeterinary world · 2023Article
- An Update of Evidence for Pathogen Transmission by Ticks of the Genus Hyalomma.Pathogens (Basel, Switzerland) · 2023Article
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3 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Theileriosis is one of the most important diseases in tropical and subtropical regions and leads to annual economic losses, such as the reduction of dairy products and casualties. Although the clinical form of bovine theileriosis has been observed in Afghanistan, to the best of our knowledge, no comprehensive study has been conducted on this issue. This molecular survey was performed to identify Theileria annulata and tick vectors in dairy cattle in the Herat area, Afghanistan, from June 2015-September 2016. A total of 100 dairy cattle were clinically examined and their blood smears, EDTA blood samples, and ixodid ticks were collected. The blood samples were transported to the laboratory, followed by the preparation of the blood smears and staining with the Giemsa method. The collected ticks were identified at the species (spp) level using the identification key and were then separated into 70 tick pools according to their species. Subsequently, the salivary glands were dissected out in 0.85% saline under a stereomicroscope. The DNA of blood and salivary glands was extracted using a commercial kit and analyzed by polymerase chain reaction (PCR). The ring form of Theileria spp infection was observed in 22 (22%) of blood smears, while 74% of blood samples were T. annulata positive using PCR. Among the collected ticks, the numbers of male and female ticks were obtained at 219 and 130 ticks, respectively. The frequency of tick spp was rated in descending order as Hyalomma annatolicum (73.9%), Hyalomma excavatum (22.3%), Hyalomma nymph spp (12%), Hyalomma marginatum (1.7%), Hyalomma asiaticum (1.1%), and Hyalomma rufipes (0.75%). The PCR results showed that seven pools belonging to salivary glands of H. anatolicum were infected with T. annulata. Based on the obtained results, it can be concluded that T. annulata had a high frequency in dairy cattle and H. anatoloicum was also identified, such as the vectors of T. annulata in the Herat area, Afghanistan.
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