00702nam a2200181 a 450000100080000000500110000800800410001910000260006024500690008626000360015530000110019150000170020252002350021965000090045465000130046365000220047665000220049810571442018-07-18       1971    bl uuuu  m   00u1 u    #d1 aPINEDA-MORALES, J. E.  aUrea and yucca (Manihot esculenta) for dairy cattle in Colombia.  aPurdue: Purdue Universityc1971  a112 p.  aPh.D. Thesis  aThe experiment on energy presented here was designed to test the possibilities of using yucca as a source of concentrate energy and urea as a source of protein to be used as supplements to counteract the mentioned feed short-ages.  aurea  aMandioca  aManihot Esculenta  aNutrição Animal