الفهرس 
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Abstract
The aim of the present study is to make microbiological and molecular studies on helicobacters in Equine. Helicobacter pylori is one of the most common human pathogens worldwide with serious clinical out-comes, although several risk factors for the development of equine gastric ulcers had been widely studied, investigation of microbiological factors has been limited, therefore in our study, fifty gastric lavage and fecal samples were collected from fifty diseased horses and application of Lateral Flow test for antigen detection and PCR assays for detection of Helicobacter species. Positive results confirmed only by PCR which revealed that twelve samples were positive among the examined samples (24%), sequencing of 16s rRNA gene amplicon shared 100% identity with H.equorum on GenBank, young foals show higher prevalence than adult horses. Occasionaly, H.equorum act as a potential zoonotic risk hazard thus, further studies are needed to investigate the zoonotic pathway to the human contacts.