FN Archimer Export Format PT C TI Participatory case definition between stakeholders and implication for early detection: a case study of the oyster production in France BT AF LUPO, Coralie OSTA AMIGO, AXEL MARCE, Clara PROU, Jean AS 1:1;2:1;3:2;4:3; FF 1:PDG-RBE-SG2M-LGPMM;2:PDG-RBE-AGSAE-LGP;3:;4:PDG-RBE-SG2M; C1 IFREMER, SG2M-LGPMM, Avenue Mus de Loup, F-17390 La Tremblade, France MINISTRY OF AGRICULTURE, General Directorate for Food, 75 Paris, France IFREMER, SG2M, Avenue Mus de Loup, F-17390 La Tremblade, France C2 IFREMER, FRANCE MINIST AGR, FRANCE IFREMER, FRANCE SI LA TREMBLADE PARIS SE PDG-RBE-SG2M-LGPMM PDG-RBE-AGSAE-LGP PDG-RBE-SG2M UR https://archimer.ifremer.fr/doc/00195/30600/29057.pdf https://archimer.ifremer.fr/doc/00195/30600/29058.pdf LA English DT Poster DE ;Aquatic animal surveillance;Mortality;Shellfish;Early warming surveillance;Case definition AB Aquatic animal health surveillance is notably based on the observation of any increased shellfish mortality by shellfish farmers and its immediate mandatory notification to the local competent authority. According to current EU regulation, increased mortality is defined using a participatory approach: case reporting is based on individual farmer perception, which then can be turned into notification in cooperation between the farmer and the competent authority. All the challenge relies on starting from individual perception and knowledge of increased mortality to a collective alert onset informing potential control actions having a community interest. We made an inventory of the criteria used by surveillance stakeholders to define and detect increased oyster mortality, and of their perceptions of the system purpose and usefulness. This constitutes the prerequisite to bridge the gap between theory and application for a stable and sustainable early warning surveillance PY 2014 PD MAY ID 30600 ER EF