<?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>2007-1124</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias pecuarias]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. de cienc. pecuarias]]></abbrev-journal-title>
<issn>2007-1124</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-11242018000200376</article-id>
<article-id pub-id-type="doi">10.22319/rmcp.v9i2.4545</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Análisis de la función de producción de leche en el sistema bovinos doble propósito en Ahome, Sinaloa]]></article-title>
<article-title xml:lang="en"><![CDATA[Analysis of the milk production function in dual purpose bovine system in Ahome, Sinaloa]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cuevas Reyes]]></surname>
<given-names><![CDATA[Venancio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Loaiza Meza]]></surname>
<given-names><![CDATA[Alfredo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Astengo Cazares]]></surname>
<given-names><![CDATA[Herlyn]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreno Gallegos]]></surname>
<given-names><![CDATA[Tomas]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Borja Bravo]]></surname>
<given-names><![CDATA[Mercedes]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes Jimenez]]></surname>
<given-names><![CDATA[Juan Esteban]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González González]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,INIFAP Campo Experimental Valle de México ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,INIFAP Campo Experimental Valle de Culiacán ]]></institution>
<addr-line><![CDATA[Culiacán Sinaloa]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,INIFAP Campo Experimental Pabellón ]]></institution>
<addr-line><![CDATA[ Aguascalientes]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<volume>9</volume>
<numero>2</numero>
<fpage>376</fpage>
<lpage>386</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11242018000200376&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11242018000200376&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11242018000200376&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El objetivo fue estimar una función de producción que describa la relación que guarda la producción y los factores productivos de leche, en el sistema bovinos doble propósito en el municipio de Ahome, Sinaloa. Con información de 74 unidades de producción se estimó una función de producción de tipo Cobb Douglas. El modelo obtenido fue     Y = 0.7819 X  2  0.0095   X  3  0.0699   X  4  0.5323. De las tres variables analizadas, solo la superficie agrícola y el número de vacas adultas fueron significativas (P&lt;0.05). El coeficiente de determinación obtenido fue 55.03 %. El uso de la superficie agrícola, así como el número de vacas adultas presentan una baja productividad marginal, por lo que la producción de leche presenta rendimientos decrecientes a escala. Se concluye que bajo la actual combinación y uso de los recursos, la producción de leche de bovinos en el norte de Sinaloa es ineficiente, y el producto total está por debajo del potencial que pudiera obtener con mejoras, y uso de tecnología en la alimentación y mejoramiento genético del ganado.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The objective was to estimate a production function that describes the relationship between production and milk production factors in the dual purpose bovine system in the municipality of Ahome, Sinaloa. With information from 74 production units a Cobb Douglas production function was estimated. The model obtained was   Y = 0.7819   X  2  0.0095   X  3  0.0699   X  4  0.5323. Of the three variables analyzed, only the agricultural area and the number of adult cows were significant (P&lt;0.05). The coefficient of determination obtained was 55.03 %. The use of the agricultural area, as well as the number of adult cows present a low marginal productivity, so that milk production shows decreasing returns to scale. It is concluded that under the current combination and use of resources, the production of bovine milk in northern Sinaloa is inefficient and the total product is below the potential that could be obtained with improvements and use of technology in food and genetic improvement of livestock.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Cobb-Douglas]]></kwd>
<kwd lng="es"><![CDATA[Insumos]]></kwd>
<kwd lng="es"><![CDATA[Rendimientos]]></kwd>
<kwd lng="es"><![CDATA[Superficie agrícola]]></kwd>
<kwd lng="es"><![CDATA[Trópico seco]]></kwd>
<kwd lng="en"><![CDATA[Cobb-Douglas]]></kwd>
<kwd lng="en"><![CDATA[Inputs]]></kwd>
<kwd lng="en"><![CDATA[Yields]]></kwd>
<kwd lng="en"><![CDATA[Agricultural area]]></kwd>
<kwd lng="en"><![CDATA[Dry tropic]]></kwd>
</kwd-group>
</article-meta>
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