Listeria monocytogenes contamination of finishing pigs: an exploratory epidemiological survey in France Pierre-Alexandre Belœil, Claire Chauvin, Marie-Thérèse Toquin, Christelle Fablet, Yolaine Le Nôtre, Gilles Salvat, François Madec and Philippe Fravalo Vet. Res., 34 6 (2003) 737-748 DOI: 10.1051/vetres:2003031