00580nam a2200217 a 450000100080000000500110000800800410001910000170006024500960007726000410017330000100021450000200022465000140024465000100025865000140026865000150028265000110029765300160030865300180032465300200034214335912007-07-11       1992    bl uuuu  m   00u1 u    #d1 aCOSTA, A. N.  aThe relationship between steroid hormone secretion in lactation and prolificacy in the pig.  aLeeds: The University of Leedsc1992  a230p.  aTese Doutorado.  alactation  aswine  aHormônio  aLactação  aSuíno  aProlificacy  aProlificidade  aSteroid hormone