Vulvovaginitis of goats due to a herpesvirus

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Abstract
SUMMARY Two concurrent outbreaks of genital disease in goats were associated with infection by a herpesvirus that was isolated from vulval and vaginal lesions of affected does. Serum neutralising antibody to the virus was present both in goats with the clinical disease and some unaffected goats. Of 19 goat herds examined only 4 had serum neutralising antibody positive goats with low (5%) to high (60%) incidence of infection. The virus isolate was characterised as a herpesvirus on its physico‐chemical and morphological features. It contained DNA and was inactivated at low pH and by treatment with lipid solvents and trypsin. The virus particles were icosahedral, consisting of a nucleocapsid surrounded by an envelope membrane and measured approximately 150 nm in diameter.The virus was serologically related to a New Zealand isolate of caprine herpesvirus (NZ‐CpHV), associated with similar genital disease, and was distinct from bovine herpes virus‐1 (BHV‐1) showing a one way neutralisation pattern.