Livestock feed is the main lever that farmers can act upon to limit production costs. Among the feeds used, soya meal proves to be of very good nutritional value. However, for economic (Europe’s dependence on cross-Atlantic markets, Asian imports), environmental (deforestation, GMO, nitrogen enrichment of land), and qualitative (traceability) reasons, its use is increasingly questioned. Increasing the added value of local products is, therefore, a priority for dairy farmers. France and Belgium use different systems to estimate the value of their feed; that is why the mobilisation of cross-border expertise is necessary. The goal of the PROTECOW project is, therefore, to help dairy farmers improve their technical and economic results thanks to the exchange of knowledge and experience between the three regions. It will consist of improving the profitability of dairy farms and limiting nitrogen intake in dairy rations, as well as the use of soya per litre of milk produced. To do so, three types of measures will be put in place: the creation of a cross-border club of dairy farmers, transfer of the research results to the farms, greater two-way interaction between the traditional research-consultant-breeder configuration.