00708naa a2200229 a 450000100080000000500110000800800410001910000150006024501720007526000090024750000230025665000110027965000170029065000090030765000170031665000170033365300160035070000150036670000160038170000150039777300660041217998732017-04-25       1982    bl ---       0--  u    #d1 aKIM, D. C.  aA study on possible improvement of Jeju native cattle. I. A statistical study on the reproductive status of Jeju native, Brahman, Santa Gertrudis and crossbred cattle.  c1982  aArtigo em coreano.  acattle  areproduction  aGado  aMelhoramento  aReprodução  aImprovement1 aLEE, H. S.1 aBAEK, Y. K.1 aKIM, J. K.  tKorean Journal of Animal Sciencegv.24, n.6, p.464-469, 1982.