Losada, B.; de Blas, C.; García-Rebollar, P.; Cachaldora, P.; Méndez, J.; Ibañez, M. Short Communication: Prediction of Apparent Metabolisable Energy Content of Cereal Grains and by-Products for Poultry from Its Chemical Composition. Span. j. agric. res. 2015, 13, e06SC02.