title: Field experience with two different vaccination strategies aiming to control infections with Actinobacillus pleuropneumoniae in a fattening pig herd.
authors.affiliation: Department of Animal Health and Antimicrobial Strategies, National Veterinary Institute, SE-751 89 Uppsala, Sweden.
authors.forename: Marie
authors.initials: M
authors.lastname: Sjölund
authors.forename: Per
authors.initials: P
authors.lastname: Wallgren