00658naa a2200217 a 450000100080000000500110000800800410001910000200006024501370008026000090021765000240022665000110025065000140026165000150027565000120029065000170030270000190031970000200033870000200035877300620037815904271993-02-15       1985    bl uuuu     u00u1 u    #d1 aLEMOS, A. de M.  aComparative performance of six holstein-friesian x guzera grades in Brazil. 3.Burdens of Boophilus microplus under field conditions.  c1985  aBoophilus Microplus  aBovino  aCarrapato  aCruzamento  aDoença  aResistência1 aTEODORO, R. L.1 aOLIVEIRA, G. P.1 aMADALENA, F. E.  tAnimal Production, Edinburghgv.41, n.2, p.187-191, 1985.