00673nam a2200181 a 450000100080000000500110000800800410001910000190006024501430007926000380022230000100026050000200027052001300029065000180042065300120043865300170045065300240046710339172016-08-12 1983 bl uuuu m 00u1 u #d1 aCRUZ, G. M. da aComposition and potencial utilization of crop residues and forages the digestive tract of ruminants as predicted by laboratory techniques. aAmes: Iowa State Universityc1983 a294p. aTese Doutorado. aNitrogen and mineral composition of cattle feeds and crop residues. Modification of the IVDMD. Solubilitizacion with enzymes. adigestibility aEnzimes aForage grass aMineral composition