<?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>1688-4809</journal-id>
<journal-title><![CDATA[Veterinaria (Montevideo)]]></journal-title>
<abbrev-journal-title><![CDATA[Veterinaria (Montev.)]]></abbrev-journal-title>
<issn>1688-4809</issn>
<publisher>
<publisher-name><![CDATA[Sociedad de Medicina Veterinaria del Uruguay]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1688-48092018000100042</article-id>
<article-id pub-id-type="doi">10.29155/vet.54.209.5</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[&#8221;Evaluación nutritiva de harinas y expeller de soja presentes en Uruguay en la alimentación de vacas lecheras&#8221;]]></article-title>
<article-title xml:lang="en"><![CDATA["Nutritional evaluation of soybean meal and expellers present in Uruguay in the dairy cattle feeding"]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernandez-Turren]]></surname>
<given-names><![CDATA[Gonzalo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cajarville]]></surname>
<given-names><![CDATA[Cecilia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Ruchel]]></surname>
<given-names><![CDATA[Analía]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hirigoyen]]></surname>
<given-names><![CDATA[Darío]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Constantín]]></surname>
<given-names><![CDATA[Marina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[Víctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Madera]]></surname>
<given-names><![CDATA[Jennifer]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Eiraldi]]></surname>
<given-names><![CDATA[Fulvio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kozloski]]></surname>
<given-names><![CDATA[Gilberto V.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Repetto]]></surname>
<given-names><![CDATA[José L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,UdelaR Facultad de Veterinaria Departamento de Bovinos]]></institution>
<addr-line><![CDATA[San José ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,UdelaR Facultad de Veterinaria Departamento de Nutrición Animal]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Nacional de Investigación Agropecuaria  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Laboratorio de nutrición Cooperativa COLAVECO  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,aff5  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad Federal de Santa María Laboratorio de Nutrición de Rumiantes ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brasil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>05</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>05</month>
<year>2018</year>
</pub-date>
<volume>54</volume>
<numero>209</numero>
<fpage>42</fpage>
<lpage>56</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S1688-48092018000100042&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S1688-48092018000100042&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S1688-48092018000100042&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La composición química y degradabilidad ruminal de los subproductos derivados de la soja pueden verse afectadas según su proceso industrial de obtención. El objetivo de este estudio fue determinar el valor proteico en vacas lecheras de harinas y expeller de soja presentes en Uruguay. Se obtuvieron muestras de estos subproductos en distribuidores de alimentos para vacunos de la cuenca lechera uruguaya. Se analizó la composición química, degradabilidad ruminal in situ (determinando: fracción soluble, tasa de degradación y degradabilidad efectiva) y su fermentescibilidad in vitro. Se comparó la composición química y degradabilidad ruminal in situ de las muestras con la base de datos del programa NRC (NRC, 2001). Todos los resultados fueron comparados a través de un análisis de varianza. Las harinas presentaron menor contenido de extracto etéreo, materia orgánica y mayor contenido proteico (P&lt;0,05), mayor tasa de degradación y degradabilidad efectiva in situ, además de una mayor tasa de producción de gas in vitro en comparación con los expeller (P&lt;0,01). La degradabilidad ruminal in vitro no varió entre subproductos (P=0,432). La comparación de datos con la base del NRC (NRC, 2001) indicó una menor producción de leche (L/d) debido a una mayor degradabilidad ruminal de las harinas y expeller evaluados. En base a las diferencias encontradas entre la composición química y degradabilidad ruminal de los subproductos analizados y los datos incorporados en el programa (NRC, 2001) sería recomendable emplear datos nacionales a la hora de formular dietas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary The chemical composition and ruminal degradability of soybean byproducts can be affected by the industrial processes through which are obtained. The objective of this study was to determine the protein value for dairy cows of soybean meal and expeller present in Uruguay. Samples of soybean meal and expeller were taken from several Uruguayan suppliers. The chemical composition, in situ ruminal degradability (determining: soluble fraction, degradation rate and effective degradability) and its in vitro degradability of protein were analyzed. The chemical composition and in situ ruminal degradability of the samples were compared with the NRC (NRC, 2001) software database. All the results were compared through an analysis of variance. The soybean meal presented a lower content of ether extract and organic matter with a higher protein content (P&lt;0.05), higher rate of degradation and effective degradability in situ, in addition to a higher rate of in vitro gas production when compared with expeller (P&lt;0,01). In vitro ruminal degradability did not vary between byproducts (P=0.432). The results of the simulation indicate that the production is lower than that of which is predicted by the NRC (NRC, 2001), because to a higher protein degradability of soybean meal and expeller evaluated. Based on the differences found between the chemical composition and ruminal degradability of the byproducts analyzed and the data incorporated in the software (NRC, 2001), it would be advisable to use national data when formulating diets.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[harina de soja]]></kwd>
<kwd lng="es"><![CDATA[expeller]]></kwd>
<kwd lng="es"><![CDATA[proteína degradable en rumen]]></kwd>
<kwd lng="es"><![CDATA[producción de leche.]]></kwd>
<kwd lng="en"><![CDATA[soybean meal]]></kwd>
<kwd lng="en"><![CDATA[expeller]]></kwd>
<kwd lng="en"><![CDATA[rumen-degraded protein]]></kwd>
<kwd lng="en"><![CDATA[milk production.]]></kwd>
</kwd-group>
</article-meta>
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