Efficacy of a subunit vaccine Actinobacillus pleuropneumoniae in an endemically infected swine herd.

Jirawattanapong, P.; Stockhofe-Zurwieden, N.; van Leengoed, L.A.M.G.; Binnendijk, G.P.; Wisselink, H.J.; Raymakers, R.; Cruijsen, A.L.M.; van der Peet-Schwering, C.M.C.; van Nes, A.; Nielen, M.