00860naa a2200193 a 450000100080000000500110000800800410001910000210006024501360008126000090021752002660022665000110049265000170050365300240052065300190054470000210056370000210058477300610060515200802025-06-10       1960    bl uuuu     u00u1 u    #d1 aO'BLENESS, G. V.  aHeritabilities of some types appraisal traits and their genetic and phenotypic correlations with production.h[electronic resource]  c1960  aThe purpose of this study was estimate the heritability of these traits and the phenotypic and genetic covariance of each with milk and fat production. These estimates were used to investigate the relative importance of these traits in selecting for production.  aBovino  aMelhoramento  aCorrelacao genetica  aHeritabilidade1 aVAN VLECK, L. D.1 aHENDERSON, C. R.  tJournal of Dairy Sciencegv.43, n.10, p.1490-1498, 1960.