[Effects of production technique, category and breed on beef quality]

age alimentation des animaux animal feeding beef breeds (animals) bulls calidad carne de res concentrates edad feeding level forraje grosero fourrage grossier grazing systems heifers lipid content meat texture muscle muscles niveau d'alimentation nivel alimenticio novilla organoleptic properties piensos concentrados quality race (animal) razas (animales) roughage sex sexe sexo sistemas de pastoreo taureau teneur en lipides textura de la carne texture de la viande toro viande bovine