<?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>S2079-34802019000300263</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Cutting age and nutritional value of mulberry (Morus alba) foliage meal for pigs]]></article-title>
<article-title xml:lang="es"><![CDATA[Edad de corte y valor nutritivo de harina de follaje de morera (Morus alba) para cerdos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mireles]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreno]]></surname>
<given-names><![CDATA[E,]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruiz]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Samkol]]></surname>
<given-names><![CDATA[Pok]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Caro]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ly]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Guadalajara Centro Universitario de Ciencias Biológicas y Agropecuarias (CUCBA) ]]></institution>
<addr-line><![CDATA[Zapopan Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Real Universidad de Agricultura Fundación para la Universidad de Agricultura Tropical ]]></institution>
<addr-line><![CDATA[Chamcar Daung Phnom Penh]]></addr-line>
<country>Camboya</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto de Ciencia Animal  ]]></institution>
<addr-line><![CDATA[San José de las Lajas Mayabeque]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Central de Venezuela Facultad de Agronomía ]]></institution>
<addr-line><![CDATA[El Limón Maracay]]></addr-line>
<country>Venezuela</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<volume>53</volume>
<numero>3</numero>
<fpage>263</fpage>
<lpage>270</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2079-34802019000300263&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2079-34802019000300263&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2079-34802019000300263&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Twelve plots of 15 m2 planted with an indeterminate variety of mulberry (Morus alba) with wide leaves underwent periodic cuts every 30, 60, 90 and 120 days to study, according to a random block design, the nutritional value of mulberry foliage meal by the technique of in vitro ileal (pepsin/pancreatin) and fecal digestibility. Cell wall content and N bound to that wall increased significantly (P = 0.004) with the cut age while the N content tended to decrease (P = 0.059). The ileal digestibility of organic matter and N decreased from 68.1 and 59.4% to 44.2 and 30.0% (P &lt;0.05), respectively, in samples of 30 cutting days up to others of 120 days (P &lt;0.01). Similarly, fecal digestibility of DM and organic matter went from 66.7 and 68.0% to 45.3 and 51.0% (P &lt;0.01), respectively. Cutting age exerts a determining influence on the nutritional value of mulberry foliage meal provided to pigs, which worsens as cut frequency decreases.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Doce parcelas de 15 m2 sembradas de una variedad indeterminada de morera (Morus alba) de hoja ancha se sometieron a cortes periódicos cada 30, 60, 90 y 120 días para estudiar, según diseño de bloques al azar, el valor nutritivo de la harina de follaje de morera por la técnica de la digestibilidad ileal (pepsina/pancreatina) y fecal in vitro. El contenido de pared celular y N ligado a esa pared aumentó significativamente (P=0.004) con la edad de corte mientras que el contenido de N tendió a decrecer (P=0.059). La digestibilidad ileal de la materia orgánica y N disminuyó desde 68.1 y 59.4% hasta 44.2 y 30.0% (P&lt;0.05), respectivamente en muestras de 30 días de corte hasta otras de 120 días (P&lt;0.01). De manera similar, la digestibilidad fecal de la materia seca y la materia orgánica pasó de 66.7 y 68.0% hasta 45.3 y 51.0% (P&lt;0.01), respectivamente. La edad de corte ejerce influencia determinante en el valor nutritivo de la harina de follaje de morera dada al ganado porcino, la que empeora mientras la frecuencia de poda disminuya.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[tree forage]]></kwd>
<kwd lng="en"><![CDATA[pigs]]></kwd>
<kwd lng="en"><![CDATA[digestibility]]></kwd>
<kwd lng="en"><![CDATA[yield]]></kwd>
<kwd lng="en"><![CDATA[fiber]]></kwd>
<kwd lng="es"><![CDATA[forraje arbóreo]]></kwd>
<kwd lng="es"><![CDATA[ganado porcino]]></kwd>
<kwd lng="es"><![CDATA[digestibilidad]]></kwd>
<kwd lng="es"><![CDATA[rendimiento]]></kwd>
<kwd lng="es"><![CDATA[fibra]]></kwd>
</kwd-group>
</article-meta>
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