<?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>0188-6266</journal-id>
<journal-title><![CDATA[Acta universitaria]]></journal-title>
<abbrev-journal-title><![CDATA[Acta univ]]></abbrev-journal-title>
<issn>0188-6266</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Guanajuato, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-62662021000100152</article-id>
<article-id pub-id-type="doi">10.15174/au.2021.3149</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Parámetros productivos de corderos alimentados con dietas de diferente concentración de vainas de Prosopis laevigata]]></article-title>
<article-title xml:lang="en"><![CDATA[Performance of lambs fed diets with different concentration of Prosopis laevigata pods]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mejía-Haro]]></surname>
<given-names><![CDATA[Ignacio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soria-Rodríguez]]></surname>
<given-names><![CDATA[Leslya Ivonne]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz-de la Rosa]]></surname>
<given-names><![CDATA[Benjamín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marín-Perales]]></surname>
<given-names><![CDATA[Victor M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramón-Ugalde]]></surname>
<given-names><![CDATA[Julio P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivera Lorca]]></surname>
<given-names><![CDATA[Juan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos-Dávila]]></surname>
<given-names><![CDATA[Mauricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Tecnológico Nacional de México Instituto Tecnológico El Llano ]]></institution>
<addr-line><![CDATA[Aguascalientes Ags.]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Tecnológico Nacional de México Instituto Tecnológico de Koncal ]]></institution>
<addr-line><![CDATA[Mérida Yucatán]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Tecnológico Nacional de México Instituto Tecnológico de Torreón ]]></institution>
<addr-line><![CDATA[Torreón Coah.]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<volume>31</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-62662021000100152&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-62662021000100152&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-62662021000100152&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo del estudio fue evaluar los efectos en los parámetros productivos y productos de la fermentación ruminal de dietas para corderos en una prueba de comportamiento con 18 corderos distribuidos al azar en tres dietas-tratamiento con diferente concentración de vainas de mezquite molidas (VMM): 0% (T1), 15% (T2) y 30% (T3). Se determinó la composición nutricional de VMM y las dietas; se midió el consumo de alimento, ganancia de peso y conversión alimenticia; y se determinaron los ácidos grasos volátiles (AGV) y nitrógeno amoniacal (N-NH3) en rumen. La ganancia de peso, consumo de alimento y conversión alimenticia fueron similares (p &gt; 0.05) entre tratamientos, al igual que los AGV y N-NH3 (p &gt; 0.05). La vaina de mezquite aporta un contenido nutricional adecuado para utilizarse en dietas de corderos al 15% o 30% sin afectar los parámetros productivos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The objective of the study was to evaluate the effects on performance and products of ruminal fermentation of lamb diets in a sheep trial composed of 18 male lambs distributed randomly in three treatment diets containing different concentration of ground mesquite pods (VMM): 0% VMM (T1), 15% VMM (T2), and 30% VMM (T3). The nutritional composition of VMM and diets was determined. Feed intake, weight gain, and feed conversion were measured. In rumen, Volatile Fatty Acids (VFA) and N-NH3 were evaluated. Weight gain, feed intake, and feed conversion were similar (p &gt; 0.05) among treatments, as well as the production of VFA and N-NH3 (p &gt; 0.05). The mesquite pods provide an adequate nutritional content to be used in lamb diets without affecting the performance when used in 15% or 30%.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Vainas de mezquite]]></kwd>
<kwd lng="es"><![CDATA[ovinos]]></kwd>
<kwd lng="es"><![CDATA[ganancia de peso]]></kwd>
<kwd lng="en"><![CDATA[Mesquite pods]]></kwd>
<kwd lng="en"><![CDATA[lambs]]></kwd>
<kwd lng="en"><![CDATA[weight gain]]></kwd>
</kwd-group>
</article-meta>
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