title: [Frequency of appearance of persistent BVD virus infections and their effects on the cattle population].
authors.forename: B
authors.initials: B
authors.lastname: Liess
authors.forename: H R
authors.initials: HR
authors.lastname: Frey
authors.forename: G
authors.initials: G
authors.lastname: Trautwein
authors.forename: W
authors.initials: W
authors.lastname: Peters
mesh_terms: D000818:Animals; D001912:Bovine Virus Diarrhea-Mucosal Disease / Q000453:epidemiology* / Q000473:pathology; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D002908:Chronic Disease; D014766:Viremia / Q000662:veterinary
vernacular_title: Häufigkeit des Auftretens persistierender BVD-Virusinfektionen und ihre Auswirkungen in der Rinderpopulation.