<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2224-7920</journal-id>
<journal-title><![CDATA[Revista de Producción Animal]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. prod. anim.]]></abbrev-journal-title>
<issn>2224-7920</issn>
<publisher>
<publisher-name><![CDATA[Ediciones Universidad de Camagüey]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2224-79202020000300029</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Mano de obra, región y tamaño como factores de eficiencia técnica de sistemas lecheros]]></article-title>
<article-title xml:lang="en"><![CDATA[Labor, Location, and Farm Size as Technical Efficiency Factors of Dairy Systems]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guevara Viera]]></surname>
<given-names><![CDATA[Guillermo E]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres Inga]]></surname>
<given-names><![CDATA[Carlos S]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guevara Viera]]></surname>
<given-names><![CDATA[Raúl V]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velasco Heras]]></surname>
<given-names><![CDATA[Cristina I]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguirre de Juana]]></surname>
<given-names><![CDATA[Angel J]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garzón Jarrin]]></surname>
<given-names><![CDATA[Rafael A]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Cuenca, Escuela de Medicina Veterinaria y Zootecnia Facultad de Ciencias Agropecuarias ]]></institution>
<addr-line><![CDATA[ Cuenca]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Técnica de Cotopaxi Facultad de Ciencias Agropecuarias y Recursos Naturales Carrera de Medicina Veterinaria]]></institution>
<addr-line><![CDATA[Latacunga ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Superintendencia de Economía Popular y Solidaria (SEPS) Zonal 6 Área de mecanismos de resolución ]]></institution>
<addr-line><![CDATA[Calle Francisco Moscoso, Cuenca Azuay]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Colegio Luis Serra 2  ]]></institution>
<addr-line><![CDATA[Huesca ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>32</volume>
<numero>3</numero>
<fpage>29</fpage>
<lpage>39</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2224-79202020000300029&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2224-79202020000300029&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2224-79202020000300029&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Antecedentes: La eficiencia técnica (ET) se refiere a la habilidad de obtener el máximo producto posible según los factores de producción y nivel de tecnología. Objetivo. El objetivo del artículo fue la revisión del efecto de factores como la mano de obra, ubicación geográfica y el tamaño de la granja, con la ET de sistemas lecheros.  Desarrollo: Se realizó una revisión bibliográfica en relación a los factores de mano de obra, ubicación geográfica y tamaño de granja y como pueden afectar la eficiencia técnica (ET) en sistemas lecheros. En relación al nexo entre la región, la mano de obra y el tamaño de los rebaños se ha indicado incluso una evolución en incrementos en el total de vacas y del área con la ET en los sistemas lecheros. Los estudios que informan del tamaño de la granja y el total de vacas, mostraron relación positiva con la ET, esto hizo suponer que las granjas lecheras grandes tienen mayor ET que las más pequeñas, no obstante, la relación tamaño-eficiencia no se muestra muy robusta.  Conclusiones: Se encontraron relaciones de la eficiencia técnica con la mano de obra, con la preparación técnica y la extensión rural en modo diferencial, sin embargo no se encontró una relación significativa sostenida entre el tamaño de la granja y la eficiencia técnica en varios países y diferentes tipos de productores, con una relación negativa entre la eficiencia y el tamaño de la granja en algunos, lo que también podría reflejar la complejidad adicional de administrar un conjunto más amplio de recursos y lograr eficiencia técnica a diferentes escalas.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[área]]></kwd>
<kwd lng="es"><![CDATA[economía]]></kwd>
<kwd lng="es"><![CDATA[eficiencia]]></kwd>
<kwd lng="es"><![CDATA[ganadería]]></kwd>
<kwd lng="es"><![CDATA[recursos humanos]]></kwd>
</kwd-group>
</article-meta>
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