00616nam a2200229 a 450000100080000000500110000800800410001910000180006024500640007826000740014230000100021649000190022665000130024565000120025865000180027065000150028865000120030365000090031565300230032465300200034765300190036715866052014-09-18       1981    bl uuuu  m   00u1 u    #d1 aNOVAES, L. P.  aAnnual costs of forage systems for dairy herds in Virginia.  aBlacksburg: Virginia Polytechnic Institute and State Universityc1981  a119p.  aTese Mestrado.  aVirginia  aConsumo  aMatéria Seca  aProdução  aSilagem  aSilo  aAspectos economico  aBovino de leite  aEstados Unidos