[Comparative use of waste sweet-corn, crushed, pressed and enriched with urea with dried grass silage for manger- feeding of dairy heifers. 2. experiment: winter 1984-1985; on the domaine d'Ognoas, Landes]

comminution composition desmenuzamiento ensilage (produit) ensilaje forraje verde fourrage vert fragmentation gain de poids ganancia de peso green feed heifers novilla nutritive value prensado pressage pressing silage subproductos de cereales sweetcorn urea uree valeur nutritive valor nutritivo weight gain