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  <titleInfo>
    <title>Evaluación de un sistema de cría y engorda de patos mediante el reciclaje de desechos porcinos</title>
  </titleInfo>
  <name type="personal">
    <namePart>Gutiérrez Zarrabe, Carlos Rafael Bruno.</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <typeOfResource>text</typeOfResource>
  <originInfo>
    <place>
      <placeTerm type="text">México, D.F</placeTerm>
    </place>
    <publisher>El autor</publisher>
    <dateIssued>1981</dateIssued>
    <issuance>monographic</issuance>
  </originInfo>
  <physicalDescription>
    <extent>26 h</extent>
  </physicalDescription>
  <note type="statement of responsibility">por Carlos Rafael Bruno Gutiérrez Zarrabe</note>
  <note>Tesis (Médico Veterinario Zootecnista) -- UNAM. Fac. de Medicina Veterinaria y Zootecnia</note>
  <subject>
    <topic>Estiércol de cerdo</topic>
  </subject>
  <subject>
    <topic>Ganado porcino</topic>
    <topic>Subproductos</topic>
  </subject>
  <subject>
    <topic>Granjas porcinas</topic>
  </subject>
  <subject>
    <topic>Patos</topic>
    <topic>Alimentación</topic>
  </subject>
  <identifier type="lccn">16362</identifier>
  <recordInfo>
    <recordContentSource authority="marcorg"/>
    <recordCreationDate encoding="marc">971013</recordCreationDate>
    <recordChangeDate encoding="iso8601">20221026110810.0</recordChangeDate>
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