Abstract :
[en] Bovine herpesviruses 1 and 4 (BoHV-1 and BoHV-4) and caprine herpesvirus (CpHV-1) are responsible of abortion. Abortions caused by BoHV-1 happen during outbreaks of infectious bovine rhinotracheitis whereas BoHV-4 is associated with abortion but is not a very high risk factor. CpHV-1 infection is not yet identified in Belgium and in France. Bovine and ovine pestiviruses, bovine viral diarrhea and Border disease viruses, respectively, provoke abortions mainly during the first half of gestation. At the herd level, the prevention of abortion caused by these viruses can be achieved by the control of virus circulation with the help of vaccination or the elimination of persistently infected animals. At the individual level, immunisation with inactivated vaccines induces a high humoral response with high levels of neutralising antibodies, able to prevent the viremia and foetus infection.
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