00839nam a2200265 a 450000100080000000500110000800800410001910000200006024500460008026000820012630000150020852001670022365000130039065000140040365000120041765000130042965000150044265000140045765300120047165300150048370000190049870000200051770000180053770000180055513876712010-04-10       1978    bl uuuu      00u1 u    #d1 aFITZHUGH, H. A.  aThe role of ruminants in supports of man.  aMorrilton: Winrock International Livestock Research and Training Centerc1978  a136p.cil.  aGenetic improvement of ruminants. Nonbiological constraints on production. Future economic demand for ruminant products. Meeting the demand for ruminant products.  aresearch  aruminants  aDoença  aPesquisa  aProdução  aRuminante  aDisease  aProduction1 aHODGSON, H. J.1 aSCOVILLE, O. J.1 aNGUYEN, T. D.1 aBYERLY, T. C.