00517naa a2200169 a 450000100080000000500110000800800410001910000210006024501040008126000090018565300110019465300260020570000170023170000210024870000160026977300620028510446052006-04-25       1978    bl ---       0--  u    #d1 aBURFENING, P. J.  aCalving ease and growtb rate of simmental-sired calves. I. factors affecting ease and  growth rate.  c1978  aBovino  aMelhoramento genetico1 aKRESS, D. D.1 aFRIEDRICH, R. L.1 aVANIMAN, D.  tJournal of Animal Sciencegv. 46, n. 4, p. 922-929, 1978.