Diagnostic Study of Theileria Annulata Parasite in Cows in Dhi Qar Governorate

Abstract

This study was conducted in Dhi Qar Governorate / Iraq to diagnose cows being infected with Theileria annulata, which is a protozoan parasite that infects cows. 214 cattle blood samples were collected from different areas of the governorate that were diagnosed with a microscope through blood smears stained with Gemza stain, where the annular phase of the pyroplasm was seen positive. By (19%) (41/214) using a light microscope, while when using the polymerase chain reaction technique(PCR), (50%) was diagnosed with (50/100) positive, as this technique is considered more accurate in detecting parasites