<?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>S2079-34802024000100009</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[In vitro effect of trees forages inclusion from the amazonian piedmont in supplements for cattle]]></article-title>
<article-title xml:lang="es"><![CDATA[Efecto in vitro de la inclusión de arbóreas forrajeras del pie de monte amazónico en suplementos para bovinos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Riascos Vallejos]]></surname>
<given-names><![CDATA[A.R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez Hernández]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quintero]]></surname>
<given-names><![CDATA[Lina Y.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas]]></surname>
<given-names><![CDATA[Diana P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Agroforestal y Acuícola Arapaima Servicio Nacional de Aprendizaje - SENA ]]></institution>
<addr-line><![CDATA[Puerto Asís Putumayo]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto de Ciencia Animal  ]]></institution>
<addr-line><![CDATA[San José de las Lajas Mayabeque]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2024</year>
</pub-date>
<volume>58</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2079-34802024000100009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2079-34802024000100009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2079-34802024000100009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[The in vitro effects of the inclusion of three native species and adapted to the Amazonian piedmont on supplements for cattle were evaluated. A total of seven treatments were constituted: T1) control (concentrate without trees), T2 and T3 (20 and 40 % of Trichantera gigantea inclusion, respectively), T4 and T5 (20 and 40 % of Piptocoma discolor inclusion, respectively), and T6 and T7 (20 and 40 % of Hibiscus rosa-sinensis inclusion, respectively). The in vitro technique of gas production was applied and the in vitro degradability of the dry matter and organic matter was determined. A completely randomized design with four repetitions per treatment was used. The higher gas production corresponded to the control (T1), although did not showed differences with respect to the treatment with 40 % Piptocoma (T5) (p=0.016). The lower values of accumulated gas production were obtained when including 20 % de Piptocoma (T4), which not differ of the treatments T2, T5, T6 and T7. The highest values of in vitro degradability of the dry matter corresponded to the control (T1) and the supplements with 20 % of Trichantera inclusion (T2) and 20 and 40 % of hibiscus (T6 and T7) (p&lt;0.008). The lower degradability value was for T5. The highest figures of in vitro digestibility of organic matter corresponded to the control and to the supplement with 20 % of Ttrichantera (T2) and with hibiscus (T6 and T7) (p&lt;0.0001). The rest of treatments had the fallowing performance: T4 &gt; T3 &gt; T5. It is concluded that the inclusion in the concentrate of 20 % of T. gigantea and 20 and 40 % of H. rosa-sinensis did not affected the DM and OM degradability of the supplement and improved the nutrition partition to higher deposition of the fermented matter as microbial biomass, when decreasing the gas production with respect to the concentrate without trees.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Se evaluaron los efectos in vitro de la inclusión de tres forrajeras nativas y adaptadas al pie de monte amazónico en suplementos para bovinos. Se conformaron siete tratamientos: T1) control (concentrado sin arbóreas), T2 y T3 (20 y 40 % de inclusión de Trichantera gigantea, respectivamente), T4 y T5 (20 y 40 % de inclusión de Piptocoma discolor, respectivamente) y T6 y T7 (20 y 40 % de inclusión de Hibiscus rosa-sinensis, respectivamente). Se aplicó la técnica in vitro de producción de gas y se determinó la degradabilidad in vitro de la materia seca y materia orgánica. Se utilizó diseño completamente aleatorizado con cuatro repeticiones por tratamiento. La mayor producción de gas correspondió al control (T1), aunque no mostró diferencias con respecto al tratamiento con 40 % de Piptocoma (T5) (p=0.016). Los menores valores de producción acumulada de gas se obtuvieron al incluir 20 % de Piptocoma (T4), lo que no difirió de los tratamientos T2, T5, T6 y T7. Los mayores valores de degradabilidad in vitro de la materia seca correspondieron al control (T1) y los suplementos con 20 % de inclusión de Trichantera (T2) y 20 y 40 % de Hibiscus (T6 y T7) (p&lt;0.008). El menor valor de degradabilidad fue para el T5. Las mayores cifras de digestibilidad in vitro de la materia orgánica correspondieron al control y a los suplementos con 20 % de Trichantera (T2) y con Hibiscus (T6 y T7) (p&lt;0.0001). El resto de los tratamientos tuvieron el siguiente comportamiento: T4 &gt; T3 &gt; T5. Se concluye que la inclusión en el concentrado de 20 % de T. gigantea y de 20 y 40 % de H. rosa-sinensis no afectó la degradabilidad de la MS y la MO del suplemento y mejoró la partición de nutrientes a mayor deposición de la materia fermentada como biomasa microbiana, al disminuir la producción de gas con respecto al concentrado sin arbóreas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[fermentation]]></kwd>
<kwd lng="en"><![CDATA[livestock]]></kwd>
<kwd lng="en"><![CDATA[nutrition]]></kwd>
<kwd lng="en"><![CDATA[Putumayo]]></kwd>
<kwd lng="es"><![CDATA[fermentación]]></kwd>
<kwd lng="es"><![CDATA[ganadería]]></kwd>
<kwd lng="es"><![CDATA[nutrición]]></kwd>
<kwd lng="es"><![CDATA[Putumayo]]></kwd>
</kwd-group>
</article-meta>
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<year>1991</year>
<volume>74</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>3583-97</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
