<?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>0120-0690</journal-id>
<journal-title><![CDATA[Revista Colombiana de Ciencias Pecuarias]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Colom Cienc Pecua]]></abbrev-journal-title>
<issn>0120-0690</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Ciencias Agrarias, Universidad de Antioquia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-06902019000200126</article-id>
<article-id pub-id-type="doi">10.17533/udea.rccp.v32n2a06</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Relationship between forage neutral detergent fiber and non-fibrous carbohydrates on ruminal fermentation products and neutral detergent fiber digestibility in goats]]></article-title>
<article-title xml:lang="es"><![CDATA[Relación entre la fibra detergente neutra del forraje y los carbohidratos no fibrosos sobre los productos de la fermentación ruminal y digestibilidad de la fibra detergente neutra en cabras]]></article-title>
<article-title xml:lang="pt"><![CDATA[Efeito da relação da fibra em detergente neutro advindo de forragem e carboidratos não fibrosos sobre os produtos da fermentação ruminal e digestibilidade da fibra em detergente neutro em caprinos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pinho]]></surname>
<given-names><![CDATA[Ricardo M A]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[Edson M]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[de Oliveira]]></surname>
<given-names><![CDATA[Juliana S]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carvalho]]></surname>
<given-names><![CDATA[Gleidson G P de]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alves]]></surname>
<given-names><![CDATA[Joyce P]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Macêdo]]></surname>
<given-names><![CDATA[Alberto J da S]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[Gildenia A]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[Danilo M]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Perazzo]]></surname>
<given-names><![CDATA[Alexandre F]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zanine]]></surname>
<given-names><![CDATA[Anderson de M]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Federal de Viçosa Departamento de Zootecnia ]]></institution>
<addr-line><![CDATA[Minas Gerais ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade Federal da Paraíba Departamento de Zootecnia ]]></institution>
<addr-line><![CDATA[Areia Paraíba]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidade Federal Bahia Departamento de Zootecnia ]]></institution>
<addr-line><![CDATA[Salvador Bahia]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidade Federal de Campina Grande Departamento de Ciência Animal ]]></institution>
<addr-line><![CDATA[Patos Paraíba]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidade Estadual do Sudoeste da Bahia  ]]></institution>
<addr-line><![CDATA[Itapetinga BA]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidade Federal do Maranhão Departamento de Zootecnia ]]></institution>
<addr-line><![CDATA[Chapadinha Maranhão]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>32</volume>
<numero>2</numero>
<fpage>126</fpage>
<lpage>138</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-06902019000200126&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-06902019000200126&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-06902019000200126&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: There is a comprehensive understanding of the role of dietary fiber as a nutrient and its function during digestion in cattle. On the other hand, the role of fiber digestion in goats has not received similar attention.  Objective: To evaluate the effects of different ratios of forage neutral detergent fiber (fNDF) and non-fibrous carbohydrates (NFC) on ruminal fermentation products, and in vitro neutral detergent fiber (NDF) digestibility in goats.  Methods: A 3 × 5 factorial arrangement in a completely randomized design with three fNDF levels (100, 190, and 290 g/kg) and five NFC levels (350, 400, 450, 500, and 550 g/kg) was used. The experiment was performed in vitro. Two ruminally fistulated goats were used as rumen liquid donors.  Results: The ratios between fNDF and NFC affected all ruminal parameters (p&lt;0.05). Increasing NFC levels in diets containing 100 and 290 g/kg fNDF resulted in linear increase (p&lt;0.05) in ammonia concentration after 48 h fermentation. There was no adjustment of linear models (p&gt;0.05) for pH values. Total volatile fatty acids (VFA) and their individual molar proportions were affected (p&lt;0.05) at all fNDF and NFC levels. The NDF digestibility was not affected (p&gt;0.05) by fNDF or NFC levels, except for diets containing 290 g/kg fNDF, which were fit to a quadratic model (p&lt;0.05).  Conclusion: The relationship between fNDF and NFC concentrations affect the fermentation end products and in vitro NDF digestibility. NFC plays a more consistent role than fNDF in the ruminal microbial ecosystem of goats during in vitro fermentation.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: Aunque hay una amplia comprensión del papel que juega la fibra dietética como nutriente y su función durante la digestión en el ganado vacuno, el papel de la digestión de la fibra en las cabras no ha recibido una atención similar.  Objetivo: Evaluar los efectos de diferentes proporciones de fibra detergente neutra proveniente del forraje (fNDF) y carbohidratos no fibrosos (NFC) sobre los productos de la fermentación ruminal y la digestibilidad in vitro de la fibra detergente neutra (NDF) en cabras.  Métodos: Se utilizó un arreglo factorial de 3 × 5, distribuidos en un diseño completamente aleatorizado con tres niveles de fNDF (100, 190 y 290 g/kg) y cinco niveles de NFC (350, 400, 450, 500 y 550 g/kg). El experimento se realizó in vitro. Se utilizaron dos cabras fistuladas en rumen como donantes de líquido ruminal.  Resultados: La relacion entre fNDF y NFC afectó todos los parámetros ruminales estudiados (p&lt;0,05). El aumento de los niveles de NFC en dietas con 100 y 290 g/kg de fNDF resultó en aumento lineal (p&lt;0,05) de la concentración de amoníaco después de 48 h de fermentación. No hubo ajuste de modelos lineales (p&gt;0,05) para valores de pH. Los ácidos grasos volátiles totales y sus proporciones molares individuales se afectaron (p&lt;0,05) en todos los niveles de fNDF y NFC. La digestibilidad de NDF no fue afectada (p&gt;0,05) por los niveles de fNDF ni NFC, con excepción de las dietas con 290 g/kg fNDF, que se ajustaron a un modelo cuadrático (p&lt;0,05).  Conclusión: La relación entre las concentraciones de fNDF y NFC afecta los productos finales de fermentación y la digestibilidad in vitro de NDF. Los niveles de NFC juegan un papel más consistente que fNDF en el ecosistema microbiano ruminal de la cabra durante la fermentación in vitro.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Antecedentes: Embora exista um compreensível entendimento do papel que a fibra dietética desempenha como nutriente e sua função durante a digestão em bovinos, o papel da digestão das fibras em caprinos não recebeu atenção semelhante.  Objetivo: Avaliar os efeitos de diferentes relações da fibra em detergente neutro advindo de forragem (fNDF) e carboidratos não-fibrosos (NFC) sobre produtos da fermentação ruminal e digestibilidade in vitro da fibra em detergente neutro (NDF) em caprinos.  Métodos: Utilizou-se um esquema fatorial de 3 × 5 distribuídos em um delineamento inteiramente casualizado com três níveis de fNDF (100, 190 e 290 g/kg) e cinco níveis de NFC (350, 400, 450, 500 e 550 g/kg). O experimento foi realizado in vitro. Duas cabras fistuladas no rúmen foram utilizadas como doadoras de líquido ruminal.  Resultados: As relações entre fNDF e NFC impactaram todos os parâmetros ruminais estudados (p&lt;0,05). O aumento dos níveis de NFC em dietas contendo 100 e 290 g/kg de fNDF resultou em um aumento linear (p&lt;0,05) na concentração de amônia após 48 h de fermentação. Não houve ajuste de modelos lineares (p&gt;0,05) para valores de pH. Os ácidos graxos voláteis totais e suas proporções molares individuais foram afetados (p&lt;0,05) em todos os níveis de fNDF e NFC. A digestibilidade NDF não foi afetada (p&gt;0,05) pelos níveis de fNDF e NFC, com exceção de dietas experimentais contendo 290 g/kg fNDF, que foram ajustadas a um modelo quadrático (p&lt;0,05).  Conclusão:  A relação entre as concentrações de fNDF e NFC afeta os produtos finais de fermentação e a digestibilidade in vitro de NDF de dietas experimentais. Os níveis de NFC desempenham um papel mais consistente do que o fNDF no ecossistema microbiano ruminal de cabras durante a fermentação in vitro.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[digestion]]></kwd>
<kwd lng="en"><![CDATA[energy]]></kwd>
<kwd lng="en"><![CDATA[microbial protein]]></kwd>
<kwd lng="en"><![CDATA[physically effective fiber]]></kwd>
<kwd lng="en"><![CDATA[rumen]]></kwd>
<kwd lng="es"><![CDATA[digestión]]></kwd>
<kwd lng="es"><![CDATA[energía]]></kwd>
<kwd lng="es"><![CDATA[fibra físicamente efectiva]]></kwd>
<kwd lng="es"><![CDATA[proteína microbiana]]></kwd>
<kwd lng="es"><![CDATA[rumen]]></kwd>
<kwd lng="pt"><![CDATA[digestão]]></kwd>
<kwd lng="pt"><![CDATA[energia]]></kwd>
<kwd lng="pt"><![CDATA[fibra fisicamente efetiva]]></kwd>
<kwd lng="pt"><![CDATA[proteína microbiana]]></kwd>
<kwd lng="pt"><![CDATA[rúmen]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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