<?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>2079-3480</journal-id>
<journal-title><![CDATA[Cuban Journal of Agricultural Science]]></journal-title>
<abbrev-journal-title><![CDATA[Cuban J. Agric. Sci.]]></abbrev-journal-title>
<issn>2079-3480</issn>
<publisher>
<publisher-name><![CDATA[Editorial del Instituto de Ciencia Animal]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2079-34802018000100019</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[In situ ruminal degradability of the dry matter of henequen (Agave fourcroydes) bagasse. Technical note]]></article-title>
<article-title xml:lang="es"><![CDATA[Degradabilidad ruminal in situ de la materia seca del bagazo de henequén (Agave fourcroydes). Nota técnica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[G.D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Elías]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lima]]></surname>
<given-names><![CDATA[O. R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tuero]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Monteagudo]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Medina]]></surname>
<given-names><![CDATA[L. B]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto de Ciencia Animal  ]]></institution>
<addr-line><![CDATA[San José de las Lajas Mayabeque]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Central de La Villas  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2018</year>
</pub-date>
<volume>52</volume>
<numero>1</numero>
<fpage>19</fpage>
<lpage>24</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2079-34802018000100019&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2079-34802018000100019&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2079-34802018000100019&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract To characterize the incubation kinetics and determine the in situ ruminal degradability parameters of the dry matter of the henequen (Agave fourcroydes) bagasse, a cow from Dexter breed, with 350 kg of live weight, fistulated in rumen was used. It was fed with concentrate (6 g kg LW-1) and free access to forage, water and mineral salts. A total of 24 dacron bags were used, incubated in rumen by quadruplicate (72, 48, 24, 12, 4, 0 h). The maximum degradation was reached in the last incubation hours (48 h: 63.39 % sv 72h: 63.62 %, P &lt;0.0001), with values for a, b, c and ED k = 0.02, 0.04 of: 28 %, 36%, 0.06 % h-1, 55 % and 49 %, respectively. It is concluded that the variations presented during incubation kinetics and in situ rumen degradation parameters of dry matter confirm the possibility of using henequen (Agave fourcroydes) bagasse in ruminant feeding. However, studies on the degradability of the rest of the nutrients, characterization of ruminal fermentation and microbial populations are required.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Para caracterizar la cinética de incubación y determinar los parámetros de degradabilidad ruminal in situ de la materia seca del bagazo de henequén (Agave fourcroydes) se utilizó una vaca de la raza Dexter, con 350 kg de peso vivo, fistulada en rumen. Se alimentó con concentrado (6 g kg PV-1) y acceso al forraje, agua y sales minerales a libre voluntad. Se utilizaron 24 bolsas de dacrón, incubadas en rumen por cuatriplicado (72, 48, 24, 12, 4, 0 h). La máxima degradación se alcanzó en las últimas horas de incubación (48 h: 63.39 % vs 72h: 63.62 %, P &lt; 0.0001), con valores para a, b, c y DE k=0.02, 0.04 de: 28 %, 36 %, 0.06 % h-1, 55 % y 49 %, respectivamente. Se concluye que las variaciones presentadas durante la cinética de incubación y parámetros de degradación ruminal in situ de la materia seca confirman la posibilidad de utilización del bagazo de henequén (Agave fourcroydes) en la alimentación de rumiantes. Sin embargo, se requiere realizar estudios acerca de la degradabilidad del resto de los nutrientes, caracterización de la fermentación ruminal y las poblaciones microbianas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[rumen]]></kwd>
<kwd lng="en"><![CDATA[ruminal fermentation]]></kwd>
<kwd lng="en"><![CDATA[dynamics]]></kwd>
<kwd lng="es"><![CDATA[rumen]]></kwd>
<kwd lng="es"><![CDATA[fermentación ruminal]]></kwd>
<kwd lng="es"><![CDATA[dinámica]]></kwd>
</kwd-group>
</article-meta>
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<article-title xml:lang=""><![CDATA[Effects of Agave salmiana Otto Ex Salm-Dyck silage as forage on ruminal fermentation and growth in goats]]></article-title>
<source><![CDATA[Animal Feed Science and Technology]]></source>
<year>2009</year>
<volume>148</volume>
<page-range>1-11</page-range></nlm-citation>
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</ref-list>
</back>
</article>
