LA UNIÓ of Llauradors i Ramaders has asked the Generalitat's Directorate General for Trade and Consumption and the Food Information and Control Agency (AICA) of the Ministry of Agriculture and Fisheries, Food and Environment (MAPAMA) to initiate an investigation on the prices they are applying in their citrus offerings the distribution chain Alcampo and Supermercados Dia, in case they could be incurring supposedly in practices contrary to some of the guiding principles of the Law of the Food chain.