Piece of 50% Iberian Breed Grain-Fed Shoulder from Artesana Jamonera. The flavor of the Iberian Grain-Fed Shoulder is intense, containing a higher proportion of golden and unctuous fat that characterizes the shoulder providing juiciness. Origin Guijuelo. One of the reasons to choose Grain-Fed Shoulder is that it meets almost the same requirements as the Grain-Fed Ham but, being smaller pieces, they require shorter curing times and thus an Iberian Shoulder of enormous quality and better price can be obtained. 50% Iberian breed: Obtained from pigs with a single parent that is 100% Iberian. *Price per approximate weight for a piece between 5-6 kg.