00855naa a2200229 a 450000100080000000500110000800800410001902400300006010000170009024501170010726000090022452001580023365000210039165000200041265000190043265300260045165300180047770000220049570000180051770000200053577300700055510478172023-03-08       2007    bl uuuu     u00u1 u    #d7 a10.2527/jas.2006-4482DOI1 aCALEGARE, L.  aEnergy requeriments and cow/calf efficiency of Nellore and Contimental and British Bos taurus X Nellore crosses.  c2007  aThe objective of this work was to compare breed types with increasing percentage of Bos taurus on cow/calf energy requirements and preweaning efficiency.  abody composition  amilk production  aweaning weight  aBiological efficiency  aCrossbreeding1 aALENCAR, M. M. de1 aPACKER, I. U.1 aLANNA, D. P. D.  tJournal of Animal Sciencegv. 85, n. 10, p. 2413-2422, oct. 2007.