Abstract
Various methods were used to investigate the presence of Helicobacter infection in 50 sows slaughtered at the Sagamihara meat center from March to June 2000. The latex-agglutination method for the antibody against Helicobacter pylori produced a prevalence of Helicobacter-species infection of 76.7%, histopathological exami-nation of formalin-fixed gastric tissue using a Warthin Starry stain a prevalence of 50.0%, polymerase chain reac-tion using fresh gastric tissues a prevalence of 74%, and ELISA testing for the Helicobacter antigen using feces a prevalence of 44.9%. The prevalence of Helicobacter-species infection ranged from 40% to 100% of sows exam-ined depending on farm of origin.
