<?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>2448-6132</journal-id>
<journal-title><![CDATA[Abanico veterinario]]></journal-title>
<abbrev-journal-title><![CDATA[Abanico vet]]></abbrev-journal-title>
<issn>2448-6132</issn>
<publisher>
<publisher-name><![CDATA[Sergio Martínez González]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-61322015000100026</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación nutricional del alga Macrocystis pyrifera como aditivo alimentario para juveniles del camarón Litopenaeus vannamei]]></article-title>
<article-title xml:lang="en"><![CDATA[Nutritional evaluation of seaweed Macrocystis pyrifera AS feed additive for juvenile shrimp Litopenaeus vannamei]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Leyva]]></surname>
<given-names><![CDATA[Ranferi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Civera-Cerecedo]]></surname>
<given-names><![CDATA[Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rocha-Meza]]></surname>
<given-names><![CDATA[Sonia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rondero-Astorga]]></surname>
<given-names><![CDATA[Dolores]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Ramírez]]></surname>
<given-names><![CDATA[Carmen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Casas-Valdez]]></surname>
<given-names><![CDATA[Margarita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Nayarit  ]]></institution>
<addr-line><![CDATA[ Nayarit]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro de Investigaciones Biológicas del Noroeste  ]]></institution>
<addr-line><![CDATA[ Baja California Sur]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro Interdisciplinario de Ciencias Marinas  ]]></institution>
<addr-line><![CDATA[ Baja California Sur]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2015</year>
</pub-date>
<volume>5</volume>
<numero>1</numero>
<fpage>26</fpage>
<lpage>34</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-61322015000100026&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-61322015000100026&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-61322015000100026&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Las algas marinas se han evaluado como aditivos alimentarios para organismos acuáticos con resultados positivos en las variables productivas y en la resistencia a enfermedades. En la presente investigación se evaluó un extracto líquido de Macrocystis pyrifera (KelproidanMR) al 4% de inclusión (K4%) en alimento balanceado (33.6% proteína y 7.3% lípidos) para juveniles de Litopenaeus vannamei. Se realizó un bioensayo de crecimiento durante 45 días en condiciones controladas. Comparado con el tratamiento testigo, los resultados indican que la inclusión de KelproidanMR no afectó la supervivencia, crecimiento, consumo de alimento y la respuesta alimentaria de los camarones, el tratamiento K4% mejoró la conversión alimenticia y la eficiencia proteica (P&lt;0.05). Además, incrementó el contenido de proteína y disminuyó el contenido de lípidos del músculo en los camarones (P&lt;0.05). Las conclusiones obtenidas en el experimento indican que el producto comercial KelproidanMR podría utilizarse como aditivo alimentario en alimentos para juveniles de camarón patiblanco del Pacífico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Seaweeds have been evaluated as feed ingredients or additives for aquatic organisms with positive results on growth performance and disease resistance. To evaluate the response of growth and feed utilization using a seaweed liquid extract (KelproidanMR), obtained from Macrocystis pyrifera as a feed additive 4% inclusion (K4%) in balanced feed (33.6% protein and 7.3% lipids) for juvenile Litopenaeus vannamei, a 45 days growth bioassay, under controlled conditions was conducted. Compared to the control treatment, the results indicate that the inclusion of KelproidanMR did not affect the zootechnical parameters of survival, growth, feed intake nor the feeding response of shrimp. In terms of feed utilization, K4% treatment significantly improved feed conversion rate, and protein efficiency (P&lt;0.05). It was also revealed that KelproidanMR allowed two different responses in proximate composition of shrimp muscle, first increased protein content and otherwise decreased lipid content (P&lt;0.05). In conclusion, KelproidanMR could be used as a feed additive for juvenile L. vannamei.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[camarón patiblanco]]></kwd>
<kwd lng="es"><![CDATA[alimento balanceado]]></kwd>
<kwd lng="es"><![CDATA[crecimiento]]></kwd>
<kwd lng="es"><![CDATA[KelproidanMR]]></kwd>
<kwd lng="en"><![CDATA[Whiteleg shrimp]]></kwd>
<kwd lng="en"><![CDATA[balanced feed]]></kwd>
<kwd lng="en"><![CDATA[growth]]></kwd>
<kwd lng="en"><![CDATA[KelproidanMR]]></kwd>
</kwd-group>
</article-meta>
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