Modelling Salmonella spread within a farrow-to-finish pig herd Amandine Lurette, Catherine Belloc, Suzanne Touzeau, Thierry Hoch, Pauline Ezanno, Henri Seegers and Christine Fourichon Vet. Res., 39 5 (2008) 49 Published online: 14 June 2008 DOI: 10.1051/vetres:2008026