<?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>0188-6266</journal-id>
<journal-title><![CDATA[Acta universitaria]]></journal-title>
<abbrev-journal-title><![CDATA[Acta univ]]></abbrev-journal-title>
<issn>0188-6266</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Guanajuato, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-62662019000100224</article-id>
<article-id pub-id-type="doi">10.15174/au.2019.2381</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[El huevo de traspatio: características físicas y desempeño en pruebas de incubación artificial]]></article-title>
<article-title xml:lang="en"><![CDATA[The backyard egg: physical characteristics and performance in artificial incubation tests]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Camacho-Escobar]]></surname>
<given-names><![CDATA[Marco Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vélez-Barradas]]></surname>
<given-names><![CDATA[Adelina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jerez-Salas]]></surname>
<given-names><![CDATA[Martha Patricia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-López]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Garrido]]></surname>
<given-names><![CDATA[Serafín Jacobo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Bernal]]></surname>
<given-names><![CDATA[Edgar Iván]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galicia-Jiménez]]></surname>
<given-names><![CDATA[Monica Marcela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ávila-Serrano]]></surname>
<given-names><![CDATA[Narciso Ysac]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad del Mar  ]]></institution>
<addr-line><![CDATA[Puerto Escondido Oaxaca]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad del Mar  ]]></institution>
<addr-line><![CDATA[Puerto Escondido ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Tecnológico Valle de Oaxaca  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma de San Luis Potosí  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<volume>29</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-62662019000100224&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-62662019000100224&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-62662019000100224&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El huevo de traspatio es de tamaño variable, en comparación con el huevo incubable comercial. El objetivo fue incubar huevo de traspatio para conocer las características físicas y desempeño en pruebas de incubación artificial. Se incubaron 1129 huevos: 1002 de gallinas criollas, 68 de gallinas araucanas y 59 de pava. Las variables evaluadas fueron peso, eje longitudinal, diámetro máximo polar, diámetro ecuatorial, diámetro mínimo polar e índice de forma, cascarón quebrado o cascarón sucio, fertilidad, incubabilidad y mortalidad embrionaria total, temprana, intermedia y tardía. El huevo de pava tuvo mayor peso, eje longitudinal, diámetro máximo polar, diámetro ecuatorial, diámetro mínimo polar y fertilidad (p &lt; 0.05), también tuvo menor índice de forma que los huevos de gallina criolla y gallina araucana (p &lt; 0.05). El huevo de gallina araucana presentó mayor incubabilidad y menor mortalidad embrionaria total (p &lt; 0.05). Las características y desempeño del huevo criollo son diferentes al huevo incubable; por ello, los criterios de uniformidad e incubación comercial no le son, precisamente, adecuados para la incubación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The backyard egg is small in comparison with the incubating egg. The objective was to incubate backyard eggs to know physical characteristics and performance in artificial incubation tests. 1129 eggs were incubated: 1002 creole hens&#8217; eggs, 68 araucana hens&#8217; eggs and 59 turkeys&#8217; eggs. The evaluated variables were weight, longitudinal axis, maximum polar diameter, equatorial diameter, polar minimum diameter, shape index, broken shell or dirty shell, fertility, hatchability, and total early, intermediate, and late embryonic mortality. The turkey egg had greater weight, length, maximum polar diameter, equatorial diameter, minimum polar diameter and fertility (p &lt; 0.05). They also had a lower rate of form than the eggs of the creole and araucanian hens (p &lt; 0.05). The araucanian chicken egg showed greater hatchability and lower total embryonic mortality (p &lt; 0.05). The characteristics and performance of the creole egg are different from the incubable egg; therefore, the criteria of uniformity and commercial incubation are not, precisely, suitable for incubation.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Gallina araucana]]></kwd>
<kwd lng="es"><![CDATA[gallina criolla]]></kwd>
<kwd lng="es"><![CDATA[guajolote]]></kwd>
<kwd lng="es"><![CDATA[incubabilidad]]></kwd>
<kwd lng="es"><![CDATA[pava]]></kwd>
<kwd lng="en"><![CDATA[Araucana hen]]></kwd>
<kwd lng="en"><![CDATA[creole hen]]></kwd>
<kwd lng="en"><![CDATA[turkey hen]]></kwd>
<kwd lng="en"><![CDATA[hatchability]]></kwd>
<kwd lng="en"><![CDATA[guajolote]]></kwd>
</kwd-group>
</article-meta>
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