Lactalis, a world-leading family business in the dairy sector and the tenth largest global food company, had set itself the goal of developing a profitable and sustainable business model. A challenge of enormous magnitude, due to aspects such as environmental hyperregulation, the disparity in deadlines and objectives between community countries, the disconnection between regulation and the starting point of many actors in the sector (especially the primary sector), the lack of generational change and the deterioration of the image of livestock activity or the decrease in per capita consumption of dairy products. Everything indicated that the dairy sector was at risk. Would they be able to meet their objectives? What future awaited the dairy sector?