Definition of a food system. Components of a food system. Analysis and improvement of food systems performance. Global challenges for food systems. Challenges for the Mauritian Food System. Key actions for a Sustainable Food System for Mauritius. The FAO sustainable food value chain development (SFVCD) framework. Value chain analysis in the agrifood sector; value chain coordination; value chain performance; methodologies for agrifood chain analysis; global value chains in the agrifood sector. Case studies of agrifood value chains.