<?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>0122-9354</journal-id>
<journal-title><![CDATA[Revista de Medicina Veterinaria]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Med. Vet.]]></abbrev-journal-title>
<issn>0122-9354</issn>
<publisher>
<publisher-name><![CDATA[Universidad de La Salle]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0122-93542017000100137</article-id>
<article-id pub-id-type="doi">10.19052/mv.4061</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Transferência de embriões em éguas receptoras anovulatórias]]></article-title>
<article-title xml:lang="en"><![CDATA[Embryo transfer in anovulatory recipient mares]]></article-title>
<article-title xml:lang="es"><![CDATA[Transferencia de embriones en yeguas receptoras anovulatorias]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vallejo Aristizábal]]></surname>
<given-names><![CDATA[Viviana Helena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mogollón García]]></surname>
<given-names><![CDATA[Henry David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Monteiro da Silva]]></surname>
<given-names><![CDATA[Elisa Sant'anna]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Antônio Dell'Aqua Junior]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP)  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP)  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP)  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP)  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>01</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>01</month>
<year>2017</year>
</pub-date>
<numero>33</numero>
<fpage>137</fpage>
<lpage>147</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0122-93542017000100137&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0122-93542017000100137&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0122-93542017000100137&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo: Este artigo discute os principais aspectos do uso de protocolos hormonais baseados na aplicação de estrógeno seguido de progestágenos em receptoras anovulatórias o acíclicas, seja em anestro ou transição nos protocolos de transferência de embriões. A maioria das éguas apresentam comportamento poliéstrico estacional, com o que manifestam estro e ciclos ovulatórios nos períodos de maior luminosidade diária. O ciclo reprodutivo anual das éguas é caracterizado pela presença de quatro fases definidas pela dinâmica folicular: de anestro, de transição de primavera, ovulatória e de transição de outono. Durante as fases de transição e anestro, a incidência das ovulações diminui ou é nula, ou que dificulta a sincronização das ovulações entre doadoras e receptoras durante a preparação para a transferência de embriões. Alguns estudos mostram que as receptoras anovulatórias/acíclicas mantidas com protocolos com base em esteroides apresentam mudanças uterinas similares às que acontecem nas éguas gestantes. Contudo, não há pesquisas suficientes que permitam esclarecer o melhor protocolo de esteroides, no que se refere à dose, tempos de tratamento e vias de administração.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: This article discusses the main aspects of using hormonal protocols based on the application of estrogen followed by progestogen in anovulatory or acyclic recipients, either in anestrous or transition in embryo transfer protocols. Most mares demonstrate seasonally polyestrous behavior, by which they manifest estrus and ovulatory cycles during periods of higher daily luminosity. The annual reproductive cycle of mares is characterized by the presence of four phases defined by follicular dynamics: anestrous, spring transition, ovulatory, and autumn transition. During the phases of transition and anestrous, the incidence of ovulations decreases or is zero, making it difficult to synchronize ovulations between donors and recipients in preparation for embryo transfer. Some studies have shown that anovulatory/acyclic recipient mares managed with steroid-based protocols have similar uterine changes to those observed in pregnant mares. However, there is no sufficient research to allow to clarify the best steroid protocol with respect to dose, treatment times, and routes of administration.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Este artículo discute los principales aspectos del uso de protocolos hormonales basados en la aplicación de estrógeno seguido de progestágeno en receptoras anovulatorias o acíclicas, sea en anestro o transición en los protocolos de transferencia de embriones. La mayoría de las yeguas presentan comportamiento poliéstrico estacional, con lo que manifiestan estro y ciclos ovulatorios en los periodos de mayor luminosidad diaria. El ciclo reproductivo anual de las yeguas es caracterizado por la presencia de cuatro fases definidas por la dinámica folicular: de anestro, de transición de primavera, ovulatoria y de transición de otoño. Durante las fases de transición y anestro, la incidencia de las ovulaciones disminuye o es nula, lo que dificulta la sincronización de las ovulaciones entre donadoras y receptoras durante la preparación para la transferencia de embriones. Algunos estudios han mostrado que las receptoras anovulatorias/acíclicas mantenidas con protocolos con base en esteroides presentan cambios uterinos similares a los que pasan en las yeguas gestantes. Sin embargo, no hay investigaciones suficientes que permitan aclarar el mejor protocolo de esteroides, con respecto a dosis, tiempos de tratamiento y vías de administración.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[anovulatórias]]></kwd>
<kwd lng="pt"><![CDATA[acíclicas]]></kwd>
<kwd lng="pt"><![CDATA[altrenogest]]></kwd>
<kwd lng="pt"><![CDATA[progestágenos]]></kwd>
<kwd lng="pt"><![CDATA[progesterona.]]></kwd>
<kwd lng="en"><![CDATA[anovulatory]]></kwd>
<kwd lng="en"><![CDATA[acyclic]]></kwd>
<kwd lng="en"><![CDATA[altrenogest]]></kwd>
<kwd lng="en"><![CDATA[progestogens]]></kwd>
<kwd lng="en"><![CDATA[progesterone.]]></kwd>
<kwd lng="es"><![CDATA[anovulatorias]]></kwd>
<kwd lng="es"><![CDATA[acíclicas]]></kwd>
<kwd lng="es"><![CDATA[altrenogest]]></kwd>
<kwd lng="es"><![CDATA[progestágenos]]></kwd>
<kwd lng="es"><![CDATA[progesterona.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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