NIRS potential use for the determination of natural resources quality from dehesa (acorn and grass) in Montanera system for Iberian pigs. - Tejerina, D; García-Torres, S; Martín-Tornero, E; Gordillo, A; Ortiz, A; Ferraz-de-Oliveira, MI; Machado, G; Sales-Baptista, E; Cabeza de Vaca, M; Romero-Fernández, MP (2018)