<?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>S2224-79202023000300034</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efecto de la suplementación con granos secos de destilería (DDGS) sobre los parámetros de la fermentación ruminal in situ en vacunos pastoreando sorgo forrajero (Sorghum spp)]]></article-title>
<article-title xml:lang="en"><![CDATA[Effect of Supplementation Using Distillers Dried Grains (DDGS) on in situ Ruminal Fermentation by Cattle Grazing on Forage Sorghum (Sorghum spp)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Casanova]]></surname>
<given-names><![CDATA[Dainelis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Simeone]]></surname>
<given-names><![CDATA[Alvaro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Beretta]]></surname>
<given-names><![CDATA[Virginia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bentancur]]></surname>
<given-names><![CDATA[Oscar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tagliani]]></surname>
<given-names><![CDATA[Matias]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Taño]]></surname>
<given-names><![CDATA[Mauro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto de Ciencia Animal (ICA)  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de la República Facultad de Agronomía ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Uruguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<volume>35</volume>
<numero>3</numero>
<fpage>34</fpage>
<lpage>49</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2224-79202023000300034&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2224-79202023000300034&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2224-79202023000300034&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Objetivo.  Evaluar el efecto de la suplementación con granos secos de destilería más solubles (DDGS) sobre los parámetros de la fermentación ruminal in situ en vacunos pastoreando sorgo forrajero.  Materiales y métodos:  Cuatro novillos Hereford (793 ± 73 kg peso vivo) provistos de cánula ruminal pastoreando sorgo forrajero con encierro diurno y sombra artificial fueron asignados al azar en diseño crossover a dos tratamientos: sin suplemento (SS) y suplementados (CS), con DDGS. El diseño experimental comprendió dos períodos de 14 días (10 transición entre dietas; 4 de mediciones).  Resultados:  La suplementación no afectó el consumo de MS de forraje (P &gt; 0,05), pero sí aumentó el consumo total (P &lt; 0,05). El tratamiento CS presentó menor pH ruminal (6,17 vs. 6,55; (P &lt; 0,05) y mayor concentración N_NH4 (P &lt; 0,05). La degradabilidad efectiva de la MS fue 51,25% sin diferencias entre tratamientos (P &gt; 0,05), mientras que la degradabilidad efectiva de la FDN fue menor CS (P &lt; 0,05). La digestibilidad de la MS (65,75 vs 60,75%) y de la FDN (68,50 vs 62,50%) fue menor CS.  Conclusión:  La suplementación con DDGS disminuyó el pH ruminal y aumentó las concentraciones de N_NH4, disminuyendo la degradabilidad efectiva de la fibra y la digestibilidad de la MS y FDN.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Aim.  To evaluate the effect of supplementation with distillers dried grains (DDGS) on in situ ruminal fermentation parameters by cattle grazing on forage sorghum.  Materials and methods:  Four Hereford heifers (793 ± 73 kg live weight) using a ruminal cannula, grazing on forage sorghum, with day-in enclosure and artificial shade, were part of a randomized crossover design study with two treatments: without supplementation (WOS) and with supplementation (WS), fed on DDGS. The experimental design comprised two 14-day periods (10 days for diet transition, and 4 days for measurements).  Results:  Supplementation did not affect DM consumption (P &gt; 0.05), though it increased total consumption (P &lt; 0.05). The WS treatment caused lower ruminal pH (6.17 vs. 6.55; (P &lt; 0.05), and greater N_NH4 concentration (P &lt; 0.05). The effective degradability of DM was 51.25%, the same as the other treatment (P &gt; 0.05), whereas the effective NDF was lower in the WS treatment (P &lt; 0.05). DM digestibility in WS was lower (65.75 vs. 60.75%), whereas NDF digestibility was 68.50 vs. 62.50%.  Conclusion:  DDGS supplementation decreased ruminal pH and raised N_NH4 concentrations, reducing the fiber&#8217;s effective degradability of DM and NDF.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[DDGS]]></kwd>
<kwd lng="es"><![CDATA[novillos]]></kwd>
<kwd lng="es"><![CDATA[suplementación]]></kwd>
<kwd lng="en"><![CDATA[DDGS]]></kwd>
<kwd lng="en"><![CDATA[heifers]]></kwd>
<kwd lng="en"><![CDATA[supplementation]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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