[Evaluation of the forage crops quality]

alcaloides alkaloids ash content calidad contenido de ceniza contenido de materia seca crude fibre digestibilidad digestibility dry matter content ensilado ensilage (produit) evaluation feed crops fibra bruta fibre brute glucosinolate glucosinolates glucosinolatos mathematical models methode methods nitrate nitrates nitratos nitrogen content nutritive value oestrogens plantas forrajeras quality saponinas saponine saponins silage teneur en azote teneur en cendres valeur nutritive valor nutritivo