<?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>S2007-11242019000200460</article-id>
<article-id pub-id-type="doi">10.22319/rmcp.v10i2.4454</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[DL-malic acid supplementation improves the carcass characteristics of finishing Pelibuey lambs]]></article-title>
<article-title xml:lang="es"><![CDATA[La suplementación con DL-ácido málico mejora las características de la canal de borregos Pelibuey en finalización]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Loya-Olguin]]></surname>
<given-names><![CDATA[José Lenin]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ávila Ramos]]></surname>
<given-names><![CDATA[Fidel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez Gonzalez]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Galicia]]></surname>
<given-names><![CDATA[Iván Adrián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alarcón Rojo]]></surname>
<given-names><![CDATA[Alma Delia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escalera Valente]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Nayarit  ]]></institution>
<addr-line><![CDATA[Tepic Nayarit]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Guanajuato  ]]></institution>
<addr-line><![CDATA[ Guanajuato]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma de Nayarit  ]]></institution>
<addr-line><![CDATA[Compostela Nayarit ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma de Chihuahua Facultad de Zootecnia y Ecología ]]></institution>
<addr-line><![CDATA[Chihuahua Chih]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>10</volume>
<numero>2</numero>
<fpage>460</fpage>
<lpage>472</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11242019000200460&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11242019000200460&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11242019000200460&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The aim of the present study was to evaluate the effect of DL-malic acid addition in Pelibuey finishing diet on average daily gain, carcass characteristics and non-carcass components. Sixteen (16) male lambs with a mean body weight of 27 ± 1.92 kg, were used in a 48-d feeding experiment. Animals were fed a high-energy diet containing corn stover, as the only forage source, with and without the DL-malic acid (MA) addition. Animals were assigned randomly in two treatments with eight lambs each: 1) Addition of 4 g of DL-malic acid per kg of feed and 2) Control (diet 1 without MA). Four male lambs of each treatment were harvested after feeding experiment to measure carcass characteristics and non-carcass components. Lambs fed with MA presented a larger (P&lt;0.05) Longissimus lumborum muscle area. Nevertheless, there were no effects (P&gt;0.05) of MA on daily average weight gain and non-carcass components weight. In conclusion, addition of 4 g DL-malic acid to a high-energy feed enhances muscle accretion, which improves carcass quality of finishing lambs.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El objetivo del presente estudio fue evaluar el efecto de la adición de DL-ácido málico en dietas de borregos Pelibuey en finalización sobre ganancia diaria de peso, características de la canal y componentes que no son parte de la canal. Se utilizaron 16 corderos machos de 27 ± 1.92 kg de peso vivo durante los 48 d de la prueba de alimentación. Los animales fueron alimentados con una dieta alta en energía que contenía rastrojo de maíz, como la única fuente de forraje, con y sin DL-ácido málico (MA). Los animales fueron asignados al azar a uno de los dos tratamientos con 8 borregos cada uno: 1) 4 g de MA por kilogramo de alimento y 2) Control (sin MA). Cuatro borregos de cada tratamiento fueron sacrificados, después de la prueba de alimentación, para medir las características de la canal y los componentes que no son parte de la canal. Los borregos alimentados con MA presentaron una mayor (P&lt;0.05) área del musculo Longissimus lumborum. Sin embargo, no hubo efecto (P&gt;0.05) del MA sobre la ganancia diaria de peso y peso de los componentes que no son parte de la canal. En conclusión, la adición de 4 g de DL-ácido málico, en alimento con alto contenido energético, promueve el crecimiento muscular lo que mejora la calidad de la canal de los borregos en finalización.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Malic acid]]></kwd>
<kwd lng="en"><![CDATA[Animal performance]]></kwd>
<kwd lng="en"><![CDATA[Carcass characteristics]]></kwd>
<kwd lng="es"><![CDATA[Acido málico]]></kwd>
<kwd lng="es"><![CDATA[Comportamiento animal]]></kwd>
<kwd lng="es"><![CDATA[Características de la canal]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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