<?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>2007-9028</journal-id>
<journal-title><![CDATA[Ecosistemas y recursos agropecuarios]]></journal-title>
<abbrev-journal-title><![CDATA[Ecosistemas y recur. agropecuarios]]></abbrev-journal-title>
<issn>2007-9028</issn>
<publisher>
<publisher-name><![CDATA[Universidad Juárez Autónoma de Tabasco, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-90282016000300401</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Milk production, kidding interval and kid growth of indigenous goats of southern Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Producción de leche, intervalo entre partos y crecimiento de cabritos de cabras criollas del sur de México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gaytán]]></surname>
<given-names><![CDATA[Leticia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mellado]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Véliz]]></surname>
<given-names><![CDATA[Francisco G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[De Santiago]]></surname>
<given-names><![CDATA[Ma. de los Angeles]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,aff1  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af2">
<institution><![CDATA[,aff2  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<volume>3</volume>
<numero>9</numero>
<fpage>401</fpage>
<lpage>405</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-90282016000300401&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-90282016000300401&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-90282016000300401&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Milk production, kidding intervals and kid growth were evaluated in 20 multiparous indigenous goats of southern Mexico, grazing on a tropical forest. The association between milk production and kid growth rate was also assessed. The total average milk yield was 26.9 ± 9.3 kg, in lactations of 108 ± 13 d. Average daily weight gain of kids was 67 ± 27 g. Considering the entire lactation, daily milk yield accounted for less than 1 % of the known variation in kid weight gain. It was concluded that, due to the high energy investment in reproduction (mean kidding interval of these goats was 195 ± 8 d), low genetic merit for milk production, low adult body weight (28.7 ± 3.3 kg), and sub-optimum nutrition (6 h daily grazing), the lactation performance of the indigenous goats of southern Mexico was very poor, which forces kids to depend upon native forage at an early age.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Se registró la producción de leche, el intervalo entre partos y el crecimiento de los cabritos de cabras criollas del sur de México en pastoreo en bosque tropical. La producción de leche por lactancia (108 d) fue de 26.9 ± 9.3 kg. La ganancia diaria de peso de los cabritos fue de 67 ± 27 g. La producción diaria de leche explicó que la variación de la ganancia de peso de los cabritos fuera menor a 1 %. Se concluyó que, debido a la alta inversion energética en la reproducción (intervalo entre partos de 195 ± 8 d), el bajo mérito genético para la producción de leche, su bajo peso corporal (28.7 ± 3.3 kg) y la sub-óptima nutrición (sólo 6 h diarias de pastoreo), la producción de leche de las cabras criollas del sur de México es muy pobre, lo cual obliga a sus cabritos a depender del forraje nativo a una edad muy temprana.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Body weight]]></kwd>
<kwd lng="en"><![CDATA[calving interval]]></kwd>
<kwd lng="en"><![CDATA[grazing]]></kwd>
<kwd lng="en"><![CDATA[growth traits]]></kwd>
<kwd lng="es"><![CDATA[Kidding interval]]></kwd>
<kwd lng="es"><![CDATA[reproduction]]></kwd>
<kwd lng="es"><![CDATA[body weight]]></kwd>
<kwd lng="es"><![CDATA[lactation length]]></kwd>
</kwd-group>
</article-meta>
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