<?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>2305-0683</journal-id>
<journal-title><![CDATA[Investigación Agraria]]></journal-title>
<abbrev-journal-title><![CDATA[Investig. Agrar.]]></abbrev-journal-title>
<issn>2305-0683</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Ciencias Agrarias, UNA.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2305-06832022000100001</article-id>
<article-id pub-id-type="doi">10.18004/investig.agrar.2022.junio.2401679</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Uso de afrecho de arroz en la dieta de borregas en confinamiento]]></article-title>
<article-title xml:lang="en"><![CDATA[Use of rice bran in the diet of ewes in feedlot]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Caballero Mascheroni]]></surname>
<given-names><![CDATA[Jorge Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gonzalez Cabañas]]></surname>
<given-names><![CDATA[Javier Feliciano]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alonzo Griffith]]></surname>
<given-names><![CDATA[Luis Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ocampos Olmedo]]></surname>
<given-names><![CDATA[Diego Avilio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fariña Diaz]]></surname>
<given-names><![CDATA[Tania]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar Sosa]]></surname>
<given-names><![CDATA[Mauricio Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Asunción Facultad de Ciencias Agrarias Área de Producción Animal]]></institution>
<addr-line><![CDATA[San Lorenzo ]]></addr-line>
<country>Paraguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>24</volume>
<numero>1</numero>
<fpage>1</fpage>
<lpage>7</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S2305-06832022000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S2305-06832022000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S2305-06832022000100001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El afrecho de arroz es un subproducto de las industrias que posee importantes valores nutricionales, por lo que puede considerarse como alternativa para incluirlas dentro de un programa alimenticio de ovinos. El objetivo del trabajo fue evaluar el efecto de la sustitución parcial del maíz molido por afrecho de arroz sobre los parámetros productivos de borregas en confinamiento. El diseño experimental fue completamente al azar con cuatro tratamientos y tres repeticiones, cada repetición estuvo compuesta por 2 borregas, totalizando así 12 unidades experimentales (24 animales de 26 ± 2kg PV y en promedio). Los tratamientos consistieron en la sustitución parcial del maíz molido por afrecho de arroz en la dieta. Los niveles fueron 0% para T1, 15% para T2, 30% para T3 y 45% para T4. Las raciones contenían además expeller de soja, sal mineral, urea, carbonato de calcio y heno de Pangola (Digitaria decumbens) como fuente de voluminoso. La duración del experimento fue de 56 días. Los pesajes y ajuste de ración fueron realizados cada 14 días. Los datos recabados fueron sometidos a un análisis de varianza (ANAVA) al 5% probabilidad de error. Los resultados obtenidos indican que no existieron diferencias estadísticas significativas en las variables ganancia diaria de peso, ganancia total de peso, consumo y conversión alimenticia, con valores promedios de 200 g.dia-1, 10,8 kg, 4,7% y 7,4 respectivamente. Por lo tanto, se puede inferir que es factible la utilización de afrecho de arroz en sustitución del maíz molido hasta un 45% sin afectar los parámetros productivos evaluados.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The rice bran is a by-product of the rice industries that has important nutritional values and can therefore be considered as an alternative to include them in a sheep's food program. The objective of the work was to evaluate the effect of partial replacement of ground corn by rice bran on productive parameters of sheep in feedlot. The experimental design was completely randomized with four treatments and three repetitions, each repetition was composed of 2 ewes, thus totaling 12 experimental units (24 animals of 26 ± 2kg PV on average). The treatments consisted of the partial substitution of ground corn for rice bran in the diet. The levels were 0% for T1, 15% for T2, 30% for T3 and 45% for T4. The rations also contained soybean expeller, mineral salt, urea, calcium carbonate and Pangola hay (Digitaria decumbens) as a voluminous source. The duration of the experiment was 56 days. The weightings and ration adjustment were made every 14 days. The data collected were subjected to an Analysis of variance (ANOVA) at 5% error probability. The results obtained indicate that there were no significant statistical differences in the variables daily weight gain, total weight gain, intake and feed conversion ratio, with average values of 200 g.dia-1, 10.8 kg, 4.7% and 7.4 respectively. Therefore, it can be inferred that it is feasible to use rice bran instead of ground corn up to 45% without affecting the productive parameters evaluated.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[consumo]]></kwd>
<kwd lng="es"><![CDATA[conversión alimenticia]]></kwd>
<kwd lng="es"><![CDATA[ganancia de peso]]></kwd>
<kwd lng="es"><![CDATA[ovinos]]></kwd>
<kwd lng="es"><![CDATA[subproductos de arroz]]></kwd>
<kwd lng="en"><![CDATA[intake]]></kwd>
<kwd lng="en"><![CDATA[feed conversion]]></kwd>
<kwd lng="en"><![CDATA[weight gain]]></kwd>
<kwd lng="en"><![CDATA[sheep]]></kwd>
<kwd lng="en"><![CDATA[rice by-products]]></kwd>
</kwd-group>
</article-meta>
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