Case-control study on feed risk factors for BSE cases born after the feed ban in France Nathalie Jarrige, Christian Ducrot, Géraldine Cazeau, Eric Morignat, Claude La Bonnardière and Didier Calavas Vet. Res., 38 3 (2007) 505-516 Published online: 11 April 2007 DOI: 10.1051/vetres:2007011