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Abstract

Theileria annulata has been identified as a major cause of bovine theileriosis in Iraq. The research was designed to reveal the prevalence of Theileriosis (Theileria annulata) in cattle in Sulaimani province, Kurdistan Region- Iraq from the 10th of March 2021 to the 10th of April 2021. Eighty blood samples were collected. Different techniques of parasitic detection, including Microscopic and PCR amplification were used. The results of microscopic examination and PCR assay revealed that 27.5% and 31.25% cattle were infected, respectively. The microscopic examination of the Giemsa-stained blood smears of infected erythrocytes revealed the typical morphological structure of piroplasm. According to the phylogenetic analysis of the partial 18S ribosomal RNA gene, Theileria field isolates were shown to be related to other T. annulata strains, including those from Turkey, Italy, and Pakistan.This study concludes that T. annulata is the causative agent of theileriosis of cattle in Sulaimani province and suggests that PCR technique is excellent tools for epidemiological researches and control programs.

Keywords

T. annulata, Tropical theileriosis, Blood smear, PCR, Sulaimani province

Author ORCID ID

https://orcid.org/0000-0002-3562-7749

Date

22-6-2021

Document Type

Original article

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