00561naa a2200205 a 450000100080000000500110000800800410001910000160006024500970007626000090017365000160018265000160019865300110021465300140022565300250023965300120026470000190027670000190029577300410031417962541999-05-21       1971    bl ---       0--  u    #d1 aOBST, J. M.  aHaemoglobin type and fertility of merino ewes grazing oestrogenic (Yarloop Clover) pastures.  c1971  aFertilidade  aHemoglobina  aClover  aFertility  aPastagem Haemoglobin  aPasture1 aSEAMARK, R. F.1 aMcGOWAN, C. J.  tNaturegv.232, p.497-498, Aug. 1971.