<?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>1659-1321</journal-id>
<journal-title><![CDATA[Agronomía Mesoamericana]]></journal-title>
<abbrev-journal-title><![CDATA[Agron. Mesoam]]></abbrev-journal-title>
<issn>1659-1321</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1659-13212021000200662</article-id>
<article-id pub-id-type="doi">10.15517/am.v32i2.40628</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Biotecnología aplicada al estudio de la movilidad del semen porcino]]></article-title>
<article-title xml:lang="en"><![CDATA[Applied biotechnology to the study of the boar semen motility]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valverde]]></surname>
<given-names><![CDATA[Anthony]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barquero]]></surname>
<given-names><![CDATA[Vinicio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carvajal]]></surname>
<given-names><![CDATA[Vanesa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica (ITCR)  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica (ITCR)  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica (ITCR)  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<volume>32</volume>
<numero>2</numero>
<fpage>662</fpage>
<lpage>680</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1659-13212021000200662&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1659-13212021000200662&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1659-13212021000200662&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Introducción. El uso de biotecnologías reproductivas ha significado una mejora relevante sobre los parámetros de eficiencia y rentabilidad en la industria porcina. Objetivo. Determinar el estado del arte en el que se encuentra la biotecnología aplicada al estudio del semen y la implementación; en granjas porcinas; de técnicas de reproducción asistida como la inseminación artificial. Desarrollo. En el sector porcino, la fertilidad de los verracos (Sus scrofa domestica) tiene un efecto significativo sobre la eficiencia general de la reproducción de las piaras. Aunque hay métodos objetivos de valoración precisa de las variables seminales de los verracos, muchas granjas aún continúan realizando sus evaluaciones de forma subjetiva. Los conceptos bioquímicos que determinan la funcionalidad del gameto masculino o espermatozoide son molecularmente complejos, sin embargo, pueden conocerse los aspectos generales de la funcionalidad y desarrollar métodos de manejo del semen que permita el mantenimiento de las condiciones óptimas de las muestras seminales o dosis de semen utilizadas en inseminación artificial (IA). Dentro de la funcionalidad espermática intervienen parámetros clásicos de volumen, concentración y movilidad que son fundamentales para la optimización de las dosis seminales producidas por verraco. Los sistemas CASA (Computer-assisted semen analysis) son una aplicación biotecnológica que desplaza el análisis subjetivo tradicional del semen para la valoración de la calidad, estos aportan grandes volúmenes de información que han permitido explorar más en detalle los eyaculados porcinos. Conclusiones. En las granjas que utilizan la inseminación artificial, el uso de técnicas biotecnológicas para el análisis seminal, constituye un valor agregado para el estudio de la calidad del semen y la optimización de dosis seminales producidas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Introduction. The use of reproductive biotechnologies has meant an important improvement of the efficiency and profitability in the swine industry. Objective. To determine the state of the art in which the applied biotechnology to semen study and their implementation; in pig farms; of assisted reproductive techniques such as artificial insemination. Development. In the swine industry, the fertility of boars (Sus scrofa domestica) has a significant effect on the overall efficiency of herd reproduction. Although there are objective methods of accurate assessment of the boar&#8217;s semen variables, many farms still carry out subjectively assessments. The biochemical concepts that determine the functionality of the spermatozoa are molecularly complex, however, the general aspects of functionality can be known, and semen management methods can be developed that allow the maintenance of the optimal conditions of the semen doses used in artificial insemination (AI). Within the sperm functionality, classical parameters of volume, concentration, and motility are involved, which are fundamental for the optimization of the seminal doses produced by boar. The CASA (Computer-assisted semen analysis) systems are a biotechnological application that displaces the traditional subjective semen analysis and provides a large data that have allowed us to explore in greater detail the boar ejaculates. Conclusions. Biotechnological semen processes are a tool for assessing seminal quality and optimizing seminal doses on farms that use artificial insemination.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[eyaculado]]></kwd>
<kwd lng="es"><![CDATA[reproducción]]></kwd>
<kwd lng="es"><![CDATA[verraco]]></kwd>
<kwd lng="es"><![CDATA[inseminación artificial]]></kwd>
<kwd lng="en"><![CDATA[ejaculate]]></kwd>
<kwd lng="en"><![CDATA[reproduction]]></kwd>
<kwd lng="en"><![CDATA[boar]]></kwd>
<kwd lng="en"><![CDATA[artificial insemination]]></kwd>
</kwd-group>
</article-meta>
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