Cassava (Manihot esculenta Crantz) is an important food security crop for many tropical and subtropical countries. It is also acquiring an increasing role in rural development as raw material for different industries. The most important industrial uses of cassava are as a source of energy in the feed industry and as a source of starch. To consolidate and expand the industrial uses of cassava, an increased emphasis in the search for value-added traits, while maintaining or enhancing its productivity, has recently been given by the cassava breeding project at CIAT. For the feed industry, the main objective is enhanced nutritional quality, particularly with regard to protein content. The high-protein trait is being introgressed from related Manihot species.[...]