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  <titleInfo>
    <nonSort>La </nonSort>
    <title>especificidad de hembras probadoras en un programa de pruebas periódicas</title>
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  <name type="personal">
    <namePart>Hill, J. F.</namePart>
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  <note>Sobretiro de : Congreso Mundial de Avicultura (11: 1958: México, D. F.) Sección I-S</note>
  <subject>
    <topic>Aves de corral</topic>
    <topic>Razas</topic>
  </subject>
  <subject>
    <topic>Gallinas</topic>
  </subject>
  <identifier type="lccn">68197</identifier>
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