<?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>S2007-11242021000300958</article-id>
<article-id pub-id-type="doi">10.22319/rmcp.v12i3.5724</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efecto de la altura de corte de sorgo a la cosecha sobre el rendimiento de forraje y el valor nutritivo del ensilaje]]></article-title>
<article-title xml:lang="en"><![CDATA[Effect of the cutting height of sorghum at harvest on forage yield and nutritional value of silage]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Granados-Niño]]></surname>
<given-names><![CDATA[Jorge A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reta-Sánchez]]></surname>
<given-names><![CDATA[David G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santana]]></surname>
<given-names><![CDATA[Omar I.]]></given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes-González]]></surname>
<given-names><![CDATA[Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ochoa-Martinez]]></surname>
<given-names><![CDATA[Esmeralda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Duarte]]></surname>
<given-names><![CDATA[Juan I.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Juárez del Estado de Durango Facultad de Agricultura y Zootecnia ]]></institution>
<addr-line><![CDATA[Gómez Palacio Dgo]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Dairy Research Center  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>USA</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>12</volume>
<numero>3</numero>
<fpage>958</fpage>
<lpage>968</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11242021000300958&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11242021000300958&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11242021000300958&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo fue identificar una altura de corte óptima a la cosecha del forraje de sorgo (Sorghum bicolor L.) para mejorar la calidad nutritiva del ensilaje, sin reducir el rendimiento de materia seca (MS) del forraje. Se evaluó el efecto de la altura de corte a 10, 20, 30, 40, 50 y 60 cm, sobre el rendimiento de MS y el valor nutritivo del ensilaje. El forraje se cosechó cuando el grano alcanzó un estado lechoso-masoso. Las plantas se trituraron a un tamaño de partícula de 2 cm y el forraje se compactó a 261 kg de MS/m3 en mini-silos. El rendimiento de MS se redujo a partir de cosechar a 40 cm sobre el suelo. La fibra detergente neutro (FDN) y lignina del ensilaje fueron superiores cuando se cosechó a 10 cm, pero la lignina se redujo 1.4 % cuando el corte fue mayor a 20 cm. La digestibilidad de la FDN y la concentración de nutrientes digestibles totales (NDT) aumentaron cuando se cosechó a 40 cm. El mayor contenido de carbohidratos no fibrosos (CNF) se obtuvo cuando se cosechó a 40 y 50 cm. La energía neta de lactancia (ENL) del ensilaje aumentó a partir de cosechar a 20 cm. El pH óptimo del ensilaje se obtuvo cuando se cosechó a 30 cm. En conclusión, cosechar el forraje de sorgo entre 20 y 40 cm permite obtener un ensilaje con menor contenido de lignina y, por consiguiente, mayor digestibilidad y concentración energética sin afectar negativamente el rendimiento de MS del forraje.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The objective was to identify an optimal cutting height at harvest of sorghum forage (Sorghum bicolor L.) to improve the nutritional quality of silage, without reducing the dry matter (DM) yield of the forage. The effect of cutting height at 10, 20, 30, 40, 50 and 60 cm on DM yield and nutritional value of silage was evaluated. The forage was harvested when the grain reached a milky-dough state. The plants were crushed to a particle size of 2 cm and the forage was compacted to 261 kg of MS/m3 in mini silos. The DM yield reduced from harvesting at 40 cm above the ground. The neutral detergent fiber (NDF) and lignin of silage were superior when harvested at 10 cm, but lignin reduced by 1.4 % when the cut was greater than 20 cm. The NDF digestibility and total digestible nutrient (TDN) concentration increased when harvested at 40 cm. The highest content of non-fibrous carbohydrates (NFC) was obtained when harvested at 40 and 50 cm. The net lactation energy (NLE) of silage increased from harvesting at 20 cm. The optimal pH of silage was obtained when harvested at 30 cm. In conclusion, harvesting the sorghum fodder between 20 and 40 cm allows obtaining a silage with lower lignin content and, therefore, greater digestibility and energy concentration without negatively affecting the DM yield of the forage.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Sorghum bicolor (L.)]]></kwd>
<kwd lng="es"><![CDATA[Materia seca]]></kwd>
<kwd lng="es"><![CDATA[Ensilaje]]></kwd>
<kwd lng="es"><![CDATA[Altura de corte]]></kwd>
<kwd lng="es"><![CDATA[Valor nutricional]]></kwd>
<kwd lng="en"><![CDATA[Sorghum bicolor (L.)]]></kwd>
<kwd lng="en"><![CDATA[Dry matter yield]]></kwd>
<kwd lng="en"><![CDATA[Silage]]></kwd>
<kwd lng="en"><![CDATA[Cutting height]]></kwd>
<kwd lng="en"><![CDATA[Nutritional value]]></kwd>
</kwd-group>
</article-meta>
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