Serological Survey of Porcine Epidemic Diarrhea Virus Infection in Tochigi Prefecture

Abstract

Sera collected from pig farms in Tochigi Prefecture were examined for neutralizing antibody against porcine epidemic diarrhea (PED) virus. Antibody was detected in 9 of 34 (26.5%) cities and towns, 13 of 88 (14.8%) farms and 63 of 1, 183 (5.3%) pigs, while no apparent cases suspected of PED were recognized.