00642naa a2200205 a 450000100080000000500110000800800410001910000190006024501340007926000090021365000150022265000170023765300200025465300150027465300260028970000200031570000190033570000200035477300620037415906971993-03-02       1984    bl uuuu     u00u1 u    #d1 aTEODORO, R. L.  aComparative performance of six holstein-friesian x guzera grades in Brazil. 2.Traits related to the onset of the sexual function.  c1984  aCruzamento  aReprodução  aBovino de leite  aEficiencia  aMelhoramento genetico1 aLEMOS, A. de M.1 aBARBOSA, R. T.1 aMADALENA, F. E.  tAnimal Production, Edinburghgv.38, n.2, p.165-170, 1984.