<?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>S2007-11242020000100070</article-id>
<article-id pub-id-type="doi">10.22319/rmcp.v11i1.5226</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Consumo de follaje de Erythrina americana Miller en ovejas Blackbelly x Pelibuey]]></article-title>
<article-title xml:lang="en"><![CDATA[Erythrina americana Miller foliage intake in Blackbelly x Pelibuey ewes]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Espinoza]]></surname>
<given-names><![CDATA[Diana Fabiola]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos-Juárez]]></surname>
<given-names><![CDATA[Jesús Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Garduño]]></surname>
<given-names><![CDATA[Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lagunes-Espinoza]]></surname>
<given-names><![CDATA[Luz del Carmen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Herrera]]></surname>
<given-names><![CDATA[María Aurelia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oliva-Hernández]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colegio de Postgraduados Campus Tabasco ]]></institution>
<addr-line><![CDATA[ Tabasco]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Chapingo Unidad Regional Universitaria Sursureste ]]></institution>
<addr-line><![CDATA[ Tabasco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Campo Experimental Mocochá ]]></institution>
<addr-line><![CDATA[ Yucatán]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias  ]]></institution>
<addr-line><![CDATA[ Tabasco]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<volume>11</volume>
<numero>1</numero>
<fpage>70</fpage>
<lpage>88</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11242020000100070&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11242020000100070&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11242020000100070&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo fue determinar la influencia de la categoría de peso vivo (CPV) de ovejas Blackbelly x Pelibuey sobre el consumo voluntario y digestibilidad del follaje de Erythrina americana, comportamiento productivo, cambios en variables hemáticas y en el número de huevos de nematodos gastrointestinales por gramo de heces (HPG). El diseño utilizado fue completamente al azar. Los factores fueron CPV (ligeras: 22.2 kg y pesadas: 34.4 kg) y periodo de evaluación (PE). Se evaluó peso vivo (PV), ganancia diaria de peso (GDP), índice de consumo de materia seca, consumo diario de materia seca (g kg-1 PV), proteína cruda (PC; g kg-1 PV), carbohidratos estructurales (CE, %), energía metabolizable (Mcal kg-1 PV), taninos condensados (TC; g kg-1 PV) y HPG. La CPV y PE afectaron (P&lt;0.01) el consumo de todos los nutrientes estudiados. La CPV ligeras tuvo mayor consumo de nutrientes y TC con relación al de pesadas (P&lt;0.01), sin incremento en su GDP. Las variables hemáticas y HPG no fueron afectados (P&gt;0.05) por los factores estudiados y su interacción. El contenido de PC, CE y TC de E. americana, sugiere que su follaje puede utilizarse como alimento único durante periodos cortos (menor a 28 días). En ambas categorías de ovejas, el consumo de E. americana permitió un cambio positivo en GDP y no se afectó su estado de salud.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Legume tree foliage can be used as a supplement to grasses in some livestock species. A study was done of the influence that live weight category (LWC) in Blackbelly x Pelibuey ewes has on voluntary intake and digestibility of Erythrina americana foliage, productive efficiency, changes in blood variables and in the number of gastrointestinal nematode eggs per gram feces (EGF). The experimental design was completely random. The factors were LWC (light: 22.2 kg, heavy: 34.4 kg) and evaluation period (EP). Evaluated variables included live weight (LW), daily weight gain (DWG), in situ dry matter degradability (IDMD), daily dry matter intake (g kg-1 LW), crude protein (CP; g kg-1 LW), structural carbohydrates (SC; %), metabolizable energy (ME; Mcal kg-1 LW), condensed tannins (CT; g kg-1 BW) and EGF. Both LWC and EP affected (P&lt;0.01) nutrient intake. The light LWC exhibited a higher nutrient and CT intake (P&lt;0.01) than the heavy LWC, although without a commensurate increase in DWG. The blood variables and EGF were unaffected (P&gt;0.05) by the studied factors and their interaction. Erythrina americana foliage CP, SC and CT contents suggest that it can be used as a sole feed source for short periods (less than 28 days). In both live weight categories E. americana intake produced a positive evolution in DWG and did not affect health status.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Árboles agroforestales]]></kwd>
<kwd lng="es"><![CDATA[Consumo]]></kwd>
<kwd lng="es"><![CDATA[Moté]]></kwd>
<kwd lng="es"><![CDATA[Ovino de pelo]]></kwd>
<kwd lng="es"><![CDATA[Trópico húmedo]]></kwd>
<kwd lng="en"><![CDATA[Agroforestry trees]]></kwd>
<kwd lng="en"><![CDATA[Intake]]></kwd>
<kwd lng="en"><![CDATA[Hair sheep]]></kwd>
<kwd lng="en"><![CDATA[Humid tropics]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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