Jamar, Ir. Daniel; Decruyenaere, Ir. Virginie; Stassart, Dr. Pierre; Stilmant, Dr. Didier and Seutin, Ing. Yves (2006) Re-conversion to organic farming, between organic rules and agro-food chain referential : how to fit out the organic fattening referential ? Joint Organic Congress, Odense, Denmark, May 30-31, 2006.