00308nam a2200109 a 450000100080000000500110000800800410001924500620006026000430012230000110016565000220017612260482014-04-03       1968    bl uuuu      00u1 u    #d  aPROCEEDINGS second world conference on animal production.  aMaryland: University of Marylandc1968  a534 p.  aProdução Animal