Equid Herpesvirus-Associated Abortion in Poland between 1977-2010

摘要: Equid herpesvirus 1 (EHV-1) isolation and direct immunofluorescence were performed on tissues from 452 aborted stillborn foals, which submitted to the Pathology Department of Wroclaw University Environmental Life Sciences, Poland, different farms in Poland between 1977 2010. Although case submissions received year-round, number abortions peaked month January, then gradually decreased until June. EHV-1-associated abortion or neonatal death was diagnosed 106 cases. At beginning investigations (late 70s), there a few cases EHV-1 abortions, but first half 80s, not isolated. Until 1990, percentage ranged 0% 50%, reaching its peak 1984. A similar situation observed during next two decades. In 1991, 1998, 2007, 2008, no isolation, highest rate (50%) noticed 1996 2000. The results this study indicate that remains an important cause pregnancy loss horses, despite extensive vaccinations.