After about 35-40 days of life, chicks are called pullets. After a few months, if the pullets are well fed and kept in suitable and clean shelters, they become chickens and develop an abundant, colourful plumage and tasty meat without fatty deposits. As their weight increases, the nutritional requirements of growing chickens change; in particular, the protein amount they require decreases while the energy amount they need increases. It is therefore important that chickens eat a food that is specific for this second phase. The usage of a complete food made of easy to digest pellets with specific vitamin and mineral supplements facilitates the production of excellent quality meat in very competitive times, while reducing wastage in the feeder.