<?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>2007-1124</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias pecuarias]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. de cienc. pecuarias]]></abbrev-journal-title>
<issn>2007-1124</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-11242016000300361</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Destete artificial en ovinos: respuesta de estrés y bienestar animal. Revisión]]></article-title>
<article-title xml:lang="en"><![CDATA[Artificial weaning in sheep: stress response and animal welfare. Review]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Freitas-de-Melo]]></surname>
<given-names><![CDATA[Aline]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ungerfeld]]></surname>
<given-names><![CDATA[Rodolfo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de la República Departamento de Biología Molecular y Celular ]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de la República Facultad de Veterinaria Departamento de Fisiología]]></institution>
<addr-line><![CDATA[Lasplaces ]]></addr-line>
<country>Uruguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2016</year>
</pub-date>
<volume>7</volume>
<numero>3</numero>
<fpage>361</fpage>
<lpage>375</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11242016000300361&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11242016000300361&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11242016000300361&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El vínculo oveja-cordero se establece al parto y cambia a lo largo del periodo de lactación hasta el destete natural. El destete artificial es un manejo frecuentemente utilizado en los diferentes tipos de sistemas de producción ovina, que es realizado más tempranamente que el destete natural. Es uno de los eventos más estresantes en la vida del animal, ya que genera cambios fisiológicos y de comportamiento fuertemente indicadores de estrés, pudiendo afectar negativamente la salud y el bienestar animal tanto de ovejas como de corderos, así como los resultados productivos. La presente revisión sintetiza y analiza información sobre cómo se establece el vínculo madre-cría, el desarrollo del mismo durante el período de lactación y el proceso de destete natural, así como los cambios que se producen cuando el destete se adelanta artificialmente. Además, se describe la respuesta generada por el destete artificial y qué factores la afectan, a nivel fisiológico, de comportamiento y productivo. Por último, se presenta la información existente sobre posibles estrategias que permitan minimizar los efectos negativos del estrés de destete artificial. Se agrega información original sobre cómo la variación cualitativa y cuantitativa de la oferta de pastura en los sistemas extensivos de producción ovino pueden afectar la respuesta de destete de los corderos, y manejos con potencialidad práctica que pueden mitigar la respuesta al destete artificial. Se especifican aspectos en los que existe necesidad de investigación para mejorar la comprensión y desarrollar alternativas sobre cómo modular la respuesta de estrés al destete.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The establishment of ewe-lamb bond occurs at lambing, and is modified along the lactation period until natural weaning. Artificial weaning is a management commonly used in sheep productive systems commonly performed before natural weaning. Artificial weaning provokes strong behavioral and physiological responses indicative of stress, and is considered as one of the most stressful situations in the life of the animal. Those responses negatively affect animal health and welfare, and the productive results. Therefore, it is important to elucidate which factors affect those responses, and to develop strategies to decreases the negative response. This review summarizes the available information on the establishment of ewe-lamb bonding, and how this bond evolves during the lactation period until natural weaning. Moreover, it describes the behavioral and physiological stress responses to artificial weaning, and the main factors that affect those responses at physiological, behavioral and productive levels. Finally, it presents information on some strategies available to decrease the negative effects of artificial weaning. Includes original information on the influence of quantitative and qualitative changes of pasture allowance in extensive sheep production systems and the stress responses of lambs to weaning; and handlings that potentially may be applied to decrease the stress response to artificial weaning. It suggests whether is room to study and to develop practical alternatives to modulate the stress response to weaning.]]></p></abstract>
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<kwd lng="es"><![CDATA[Amamantamiento]]></kwd>
<kwd lng="es"><![CDATA[Comportamiento maternal]]></kwd>
<kwd lng="es"><![CDATA[Corderos]]></kwd>
<kwd lng="es"><![CDATA[Lactación]]></kwd>
<kwd lng="es"><![CDATA[Ovinos]]></kwd>
<kwd lng="en"><![CDATA[Suckling]]></kwd>
<kwd lng="en"><![CDATA[Maternal behavior]]></kwd>
<kwd lng="en"><![CDATA[Lambs]]></kwd>
<kwd lng="en"><![CDATA[Lactation]]></kwd>
<kwd lng="en"><![CDATA[Ovine]]></kwd>
</kwd-group>
</article-meta>
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