<?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>S2079-34802020000100045</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Changes in the in vitro ruminal fermentation dynamics of diets for cattle, based on corn grains and different levels of sweet potato (Ipomoea batatas, L.) integral silage]]></article-title>
<article-title xml:lang="es"><![CDATA[Cambios en la dinámica de fermentación ruminal in vitro en dietas para bovinos, basadas en grano de maíz y diferentes niveles de ensilado integral de camote (Ipomoea batatas, L.)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Solís]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marrero]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreira]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sarduy]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruiloba]]></surname>
<given-names><![CDATA[M.H.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Panamá Facultad de Ciencias Agropecuarias ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Panamá</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>
<aff id="Af3">
<institution><![CDATA[,Grupo de Ciencia y Tecnología para el Desarrollo (GRUCITED)  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</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>54</volume>
<numero>1</numero>
<fpage>45</fpage>
<lpage>54</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2079-34802020000100045&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2079-34802020000100045&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2079-34802020000100045&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In vitro ruminal fermentation dynamics of isoenergetic (10.9 MJ ME kg-1) and isoproteic (12.1% CP) diets for cattle were determined, with gradual replacement levels of 0.0 (T0, control), 32.4 (T32), 77.6 (T78) and 100.0% (T100) of ground corn grain, on a dry basis, mainly by integral sweet potato silage. Accumulated gas production during the 96 h of in vitro fermentation was analyzed with a mixed generalized linear model. The increases in gas production during the initial stage were 73.0, 80.0, 98.0 and 103.8, in the intermediate stage were 82.0, 75.5, 73.2 and 70.5, and in the final were 50.0, 51.8, 45.2 and 44.8 mL g-1 of incubated organic matter (incOM) for T0, T32, T78 and T100, respectively. In the initial stage, the highest increases of T78 and T100 were attributed to the greater availability of soluble carbohydrates and sugars. In the intermediate period, the increase in T0 was explained by the degradation of protein matrix that surrounds corn starch. In the final stage, the lower increases were related to the limited availability of fermentable substrates and microbial recycling. On average, T78 and T100 showed greater fermentative potential (259.2 mL.g-1 incOM), microbial efficiency rate (0.13), maximum speed (12.4 mL.g-1 incOM h-1) and less time to reach maximum speed (9.90 h). It is concluded that, in in vitro conditions, diets with sweet potato integral silage provided greater nutrient availability for ruminal microorganisms, which favors energy supply for the different metabolic processes in the rumen.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se determinó la dinámica de fermentación ruminal in vitro de dietas isoenergéticas (10.9 MJ EM kg-1) e isoproteicas (12.1 % PB) para bovinos, con niveles graduales de reemplazo de 0.0 (T0, control), 32.4 (T32), 77.6 (T78) y 100.0 % (T100) del grano de maíz molido, en base seca, principalmente, por ensilado integral de camote o boniato. La producción acumulada de gas durante las 96 h de fermentación in vitro se analizó con un modelo lineal generalizado mixto. Los incrementos en la producción de gas durante la fase inicial fueron 73.0, 80.0, 98.0 y 103.8; en la fase intermedia 82.0, 75.5, 73.2 y 70.5, y en la final 50.0, 51.8, 45.2 y 44.8 mL g-1 de materia orgánica incubada (MOinc) para T0, T32, T78 y T100, respectivamente. En la etapa inicial, los mayores incrementos en T78 y T100 se atribuyeron a la mayor disponibilidad de azúcares y carbohidratos solubles. En la intermedia, el incremento de T0 se explicó por la degradación de la matriz proteica que envuelve el almidón del maíz. En la final, los menores incrementos se relacionaron con la limitada disponibilidad de sustratos fermentables y con el reciclaje microbiano. Como promedio, T78 y T100 mostraron mayor potencial fermentativo (259.2 mL.g-1 MOinc), tasa de eficiencia microbiana (0.13), velocidad máxima (12.4 mL.g-1 MOinc h-1) y menor tiempo para alcanzar la velocidad máxima (9.90 h). Se concluye que en condiciones in vitro, las dietas con ensilado integral de camote aportaron mayor disponibilidad de nutrientes para los microorganismos ruminales, lo que favorece el aporte de energía para los diferentes procesos metabólicos en el rumen.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[fermentation]]></kwd>
<kwd lng="en"><![CDATA[diets]]></kwd>
<kwd lng="en"><![CDATA[starch]]></kwd>
<kwd lng="en"><![CDATA[maximum speed]]></kwd>
<kwd lng="en"><![CDATA[microbial efficiency]]></kwd>
<kwd lng="es"><![CDATA[fermentación]]></kwd>
<kwd lng="es"><![CDATA[dietas]]></kwd>
<kwd lng="es"><![CDATA[almidón]]></kwd>
<kwd lng="es"><![CDATA[velocidad máxima]]></kwd>
<kwd lng="es"><![CDATA[eficiencia microbiana]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aliaga]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Nieto]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Contenido de azúcares en raíces reservantes de 106 clones de camote ( Ipomoea batatas ( L .) Lam .) de la colección de germoplasma]]></article-title>
<source><![CDATA[Anales científicos UNALM]]></source>
<year>2009</year>
<volume>70</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>1-10</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bernstein]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Wintra]]></surname>
<given-names><![CDATA[A. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Winto]]></surname>
<given-names><![CDATA[K. B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Análisis de alimento]]></source>
<year>1983</year>
<publisher-name><![CDATA[Pueblo y Educacion]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carnevali]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Chicco]]></surname>
<given-names><![CDATA[C. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Shultz]]></surname>
<given-names><![CDATA[T. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Shultz]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto de la suplementación con melaza y urea]]></article-title>
<source><![CDATA[Sitio Argentino de Produccion Animal]]></source>
<year>2002</year>
<page-range>1-5</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chaney]]></surname>
<given-names><![CDATA[A. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Marbach]]></surname>
<given-names><![CDATA[E. P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Modified Reagents for Determination of Urea and Ammonia]]></article-title>
<source><![CDATA[Clinical Chemistry]]></source>
<year>1962</year>
<volume>8</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>130-2</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cone]]></surname>
<given-names><![CDATA[J. W.]]></given-names>
</name>
<name>
<surname><![CDATA[van Gelder]]></surname>
<given-names><![CDATA[A. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Driehuis]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Description of gas production profiles with a three-phasic model]]></article-title>
<source><![CDATA[Animal Feed Science and Technology]]></source>
<year>1997</year>
<volume>66</volume>
<page-range>31-45</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[DeBlas]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[García-Rebollar]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Mateos]]></surname>
<given-names><![CDATA[G. G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tablas FEDNA de composición y valor nutritivo de alimentos para la fabricación de piensos compuestos]]></source>
<year>2010</year>
<edition>3a</edition>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[DeBlas]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Mateos]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[García-Rebollar]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tablas FEDNA de valor nutritivo de Forrajes y Subproductos fibrosos húmedos]]></source>
<year>2016</year>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Depetris]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Valor nutricional del grano y ensilaje de maíz en la alimentación de bovinos para carne]]></article-title>
<source><![CDATA[Academia Nacional de Agronomía y Veterinaria (ANAV)]]></source>
<year>2013</year>
<page-range>59-68</page-range><publisher-loc><![CDATA[Balcarce ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Egaña]]></surname>
<given-names><![CDATA[J. I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efectos de diferentes procesamientos de los granos de cereales sobre su valor nutritivo para animales rumiantes]]></article-title>
<source><![CDATA[TecnoVet.]]></source>
<year>2000</year>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="">
<collab>FAOSTAT</collab>
<source><![CDATA[FAOSTAT]]></source>
<year>2016</year>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[El silaje y los procesos fermentativos ¿Qué es el silaje?&#8217;, in Silaje de planta entera]]></source>
<year>1999</year>
<page-range>4-11</page-range><publisher-loc><![CDATA[Bordenave ]]></publisher-loc>
<publisher-name><![CDATA[EEA INTA]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Estimación de la digestibilidad in vivo de la materia orgánica de ensilados mediante la técnica de producción de gas: Implicaciones metodológicas]]></source>
<year>2009</year>
<publisher-name><![CDATA[Universidad Pública de Navarra]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Goering]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[van Soest]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Forage Fiber Analysis]]></source>
<year>1970</year>
<publisher-loc><![CDATA[Washington ]]></publisher-loc>
<publisher-name><![CDATA[USDA]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Medina]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Sardiñas]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Herrera]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Application of the linear mixed and generalized mixed model as alternatives for analysis in experiments with repeated measures]]></article-title>
<source><![CDATA[Cuban Journal of Agricultural Science]]></source>
<year>2019</year>
<volume>53</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>7-12</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Huntington]]></surname>
<given-names><![CDATA[G. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Harmon]]></surname>
<given-names><![CDATA[D. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Richards]]></surname>
<given-names><![CDATA[C. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sites , rates , and limits of starch digestion and glucose metabolism in growing cattle]]></article-title>
<source><![CDATA[J. Anim. Sci]]></source>
<year>2006</year>
<volume>84</volume>
<page-range>14-24</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Knowles]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Uso de la yuca (Manihot esculenta Crantz) y otras fuentes de almidones no convencionales en la alimentación de rumiantes]]></article-title>
<source><![CDATA[Revista Colombiana de]]></source>
<year>2012</year>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kramer]]></surname>
<given-names><![CDATA[C. Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Extension of multiple range tests to group means with unequal numbers of replications]]></article-title>
<source><![CDATA[Biometrics]]></source>
<year>1956</year>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Latimer]]></surname>
<given-names><![CDATA[G. W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Official methods of analysis of AOAC International]]></source>
<year>2016</year>
<edition>20th</edition>
<publisher-loc><![CDATA[Rockville ]]></publisher-loc>
<publisher-name><![CDATA[MD: AOAC International]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jian-nan]]></surname>
<given-names><![CDATA[LI]]></given-names>
</name>
<name>
<surname><![CDATA[Qiu-feng]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Yan-xia]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Yu-feng]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Jian-guo]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Yun-qi]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of Ensiling on Degradability of Dry Matter and Starch in Rumen about Potato Residues and Sweet Potato Residues]]></article-title>
<source><![CDATA[China Animal Husbandry &amp; Veterinary Medicine]]></source>
<year>2014</year>
<volume>41</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>89-93</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez-Fernández]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Argamentería]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[De-La Rosa]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Manejo de forrajes para ensilar]]></source>
<year>2014</year>
<publisher-loc><![CDATA[Asturias, España ]]></publisher-loc>
<publisher-name><![CDATA[SERIDA]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez-Guardia]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Palacios]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Medina]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Composición química del grano de maíz ( Zea mays ) Chococito del Municipio de Quibdó, Colombia]]></article-title>
<source><![CDATA[Revista Investigación Agraria y Ambiental]]></source>
<year>2016</year>
<volume>7</volume>
<numero>1</numero>
<issue>1</issue>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Meléndez]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[El almidón y su importancia en la nutrición de las vacas lecheras]]></source>
<year>2003</year>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mendoza]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Ricalde]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Alimentación de ganado bovino con dietas altas en grano]]></source>
<year>2016</year>
<edition>Segunda</edition>
<publisher-loc><![CDATA[Xochimilco ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Autónoma Metropolitana]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Menke]]></surname>
<given-names><![CDATA[K. .]]></given-names>
</name>
<name>
<surname><![CDATA[Steingass]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimation of the energetic feed value obtained from chemical analysis and in vitro gas production using rumen fluid]]></article-title>
<source><![CDATA[Animal Research and Development]]></source>
<year>1988</year>
<volume>28</volume>
<page-range>7-55</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Noguera]]></surname>
<given-names><![CDATA[R. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Bolivar]]></surname>
<given-names><![CDATA[I. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[D. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto de la inclusión de papa ( Solanum tuberosum) en la cinética de fermentación in vitro del pasto kikuyo ( Pennisetum clandestinum)]]></article-title>
<source><![CDATA[Livestock Research for Rural Development]]></source>
<year>2006</year>
<volume>18</volume>
<numero>5</numero>
<issue>5</issue>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="book">
<collab>NRC</collab>
<source><![CDATA[Nutrient requirements of beef cattle]]></source>
<year>1984</year>
<publisher-loc><![CDATA[Washington, D.C. ]]></publisher-loc>
<publisher-name><![CDATA[National Academy of Scienses]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="book">
<collab>NRC</collab>
<source><![CDATA[Nutrient requirements of beef cattle]]></source>
<year>1996</year>
<publisher-loc><![CDATA[Seventh Re. Washington, D.C. ]]></publisher-loc>
<publisher-name><![CDATA[National Academy of Sciences]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ojeda]]></surname>
<given-names><![CDATA[Á.]]></given-names>
</name>
<name>
<surname><![CDATA[Matos]]></surname>
<given-names><![CDATA[A. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cardozo]]></surname>
<given-names><![CDATA[A. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Composición química, degradabilidad y producción de gas in vitro del follaje de doce cultivares de batata (Ipomoea batatas Lam)]]></article-title>
<source><![CDATA[Revista Cubana de Ciencia Agrícola]]></source>
<year>2010</year>
<volume>44</volume>
<numero>3</numero>
<issue>3</issue>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oliveira-Borgatti]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Pavan-Neto]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Tobias-Marino]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Marques-Meyer]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Mazza-Rodrigues]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fractionation of dry matter losses of sugarcane silage treated with alkalis or urea]]></article-title>
<source><![CDATA[Agrocencia]]></source>
<year>2015</year>
<volume>49</volume>
<page-range>411-22</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Quezada]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Evaluación nutricional del ensilado de follaje y raíces de camote (Ipomoea batatas (L.) Lam) en la alimentación de vacas lecheras]]></source>
<year>2001</year>
<publisher-name><![CDATA[UNALM]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rendón]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Noguera]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Posada]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ruminal degradation kinetics of the corn silage with different levels of de inclusión of vinasse]]></article-title>
<source><![CDATA[CES Medicina Veterinaria y Zootecnia]]></source>
<year>2013</year>
<volume>8</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>42-51</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rivadeneira]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Efecto del hidróxido de Calcio sobre el valor nutricional de la torta de palmiste]]></source>
<year>2018</year>
<publisher-name><![CDATA[Universidad de las Fuerzas Armadas]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Borges]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Elías]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Moreira]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluación de la inclusión de Moringa oleifera en el valor nutritivo de ensilajes de Cenchrus purpureum vc . Cuba CT-169]]></article-title>
<source><![CDATA[Cuban Journal of Agricultural Science]]></source>
<year>2017</year>
<volume>51</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>447-57</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Galindo]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ruíz]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Solis]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Scull]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Valor nutritivo de siete ecotipos de Tithonia diversifolia colectados en la zona oriental de Cuba]]></article-title>
<source><![CDATA[Livestock Research for Rural Development]]></source>
<year>2019</year>
<volume>31</volume>
<numero>8</numero>
<issue>8</issue>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Lores]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Elías]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Aldana]]></surname>
<given-names><![CDATA[A. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Moreira]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Sarduy]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Jay]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Inclusión del aditivo microbiano Vitafert en la fermentación ruminal in vitro de una dieta para cabras]]></article-title>
<source><![CDATA[Revista Cubana de Ciencia Agrícola]]></source>
<year>2013</year>
<volume>47</volume>
<numero>2</numero>
<issue>2</issue>
</nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Valor nutricional del ensilaje de raíces no comerciales y follaje de camote]]></source>
<year>1996</year>
<publisher-name><![CDATA[UNALM]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="book">
<collab>SAS</collab>
<source><![CDATA[User&#8217;s guide: Statistics. Version 9.3. Cary, N.C., USA]]></source>
<year>2010</year>
<publisher-name><![CDATA[SAS Institute]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Solís]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Sustitución del maíz por ensilaje integral de camote (Ipomoea batatas L.) como fuente energética en la alimentación de bovinos en crecimiento]]></source>
<year>2011</year>
<publisher-name><![CDATA[Universidad de Panamá]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Solís]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ruiloba]]></surname>
<given-names><![CDATA[M. H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of different levels of integral silage of sweet potato (Ipomoea batatas) as energetic source for growing cattle]]></article-title>
<source><![CDATA[Cuban Journal of Agricultural Science]]></source>
<year>2017</year>
<volume>51</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>35-46</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Theodorou]]></surname>
<given-names><![CDATA[M. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Williams]]></surname>
<given-names><![CDATA[B. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Dhanoa]]></surname>
<given-names><![CDATA[M. S.]]></given-names>
</name>
<name>
<surname><![CDATA[McAllan]]></surname>
<given-names><![CDATA[A. B.]]></given-names>
</name>
<name>
<surname><![CDATA[France]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A simple gas production method using a pressure transducer to determine the fermentation kinetics of ruminant feeds]]></article-title>
<source><![CDATA[Animal Feed Science and Technology]]></source>
<year>1994</year>
<volume>48</volume>
<numero>3-4</numero>
<issue>3-4</issue>
<page-range>185-97</page-range></nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tique]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Chaves]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Zurita]]></surname>
<given-names><![CDATA[J. H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluación agronómica de diez clones promisorios CIP y dos materiales nativos de Ipomoea batatas L.]]></article-title>
<source><![CDATA[Agronomía Colombiana]]></source>
<year>2009</year>
<volume>27</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>151-8</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vargas]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Zumbado]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Composición de los subproductos de la industrialización de la palma africana utilizados en la alimentación animal en Costa Rica]]></article-title>
<source><![CDATA[Agronomía Costarricense]]></source>
<year>2003</year>
<volume>27</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>7-18</page-range></nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Velásquez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Noguera]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Posada]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Procesamiento del grano de maíz sobre la cinética de degradación de la materia seca in vitro]]></article-title>
<source><![CDATA[Rev.MVZ Córdoba]]></source>
<year>2013</year>
<volume>18</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>3877-85</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
