[The presence of antibodies to IBR/IPV virus in cattle in the environs of Leyden (author's transl)].
The appearance of IBR among cattle in the environs of Leyden is reported. Possible explanations of local differences in the incidence of IBR and possible effects on IBR immunisation of cattle in these areas are referred to in the discussion.
D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis*; D002417:Cattle; D007242:Herpesvirus 1, Bovine / Q000276:immunology*; D007241:Infectious Bovine Rhinotracheitis / Q000453:epidemiology; D009426:Netherlands
D000914:Antibodies, Viral
Het voorkomen van antistoffen tegen I.B.R./I.P.V. bij runderen in de omgeving van Leiden