00505nam a2200193 a 450000100080000000500110000800800410001902000220006010000150008224500410009726000260013830000140016450000220017865000140020065000210021465000100023565000400024565000260028510411082017-06-05       2012    bl uuuu     u00u1 u    #d  a978-0-4709-5952-71 aHILL, R.A.  aFeed efficiency in the beef industry  aAmes, IA: Wileyc2012  axv, 311 p  aCompra anual 2012  aALIMENTOS  aBOVINOS DE CARNE  aCARNE  aEFICIENCIA DE CONVERSION DEL PIENSO  aINDUSTRIA DE LA CARNE