00620naa a2200205 a 450000100080000000500110000800800410001910000220006024501210008226000090020365000290021265000100024165300100025165300170026165300180027870000190029670000180031570000220033377300590035515185221998-06-12       1997    bl uuuu     u00u1 u    #d1 aGREYLIN, J. P. C.  aSynchronization of estrus in sheep using progestagen and inseminating with chilled semen during the breeding season.  c1997  aInseminação Artificial  aOvino  aEstro  aProgestageno  aSingronizacao1 aERASMUS, J. A.1 aTAYLOR, G. J.1 aVAN DER MERWE, S.  tSmall Ruminant Researchgv.26, n.1-2, p.137-143, 1997.