| virological and serological studies of porcine respiratory coronavirus infection on a japanese farm. | we detected transmissible gastroenteritis virus (tgev) antibodies in pig farms in tochigi prefecture, although the farms had no past record of tgev vaccination or tge. among the farms, farm a showed a high antibody incidence. we could not confirm if either tgev or porcine respiratory coronavirus (prcv) induced the antibodies, since conventional tests failed to discriminate prcv from tgev. therefore, we conducted virological and serological examinations of this farm for 4 years to establish the e ... | 2008 | 18840967 |