full title: ETHICAL ISSUES RELATED TO FOOD SECTOR EVOLUTION IN DEVELOPING COUNTRIES:ABOUT SUSTAINABILITY AND EQUITY INTRODUCTION The present challenges facing the future of the food supply stem from the need to satisfy food demand.These challenges were further analyzed in previous papers （Raoult-Wack and Bricas，1998；Raoult-Wack and Bricas，2001；FAO ，2001）。 Firstly ，food demand is increasing ，with the world‘s population growing at an ever-increasing rate and an extra 1.7 million mouths to feed e