<?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>S2448-61322020000100125</article-id>
<article-id pub-id-type="doi">10.21929/abavet2020.24</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efecto de la suplementación con metionina de zinc en el desempeño productivo y morfología del epitelio intestinal en cerdos criados en ambiente caluroso o fresco]]></article-title>
<article-title xml:lang="en"><![CDATA[Zinc methionine supplementation effect on performance and intestinal epithelium morphology in pigs reared in hot or cool environments]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romo-Valdez]]></surname>
<given-names><![CDATA[Juan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barajas-Cruz]]></surname>
<given-names><![CDATA[Rubén]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Enríquez-Verdugo]]></surname>
<given-names><![CDATA[Idalia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva- Hidalgo]]></surname>
<given-names><![CDATA[Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Güémez-Gaxiola]]></surname>
<given-names><![CDATA[Héctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romo-Rubio]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Sinaloa Facultad de Medicina Veterinaria y Zootecnia ]]></institution>
<addr-line><![CDATA[Culiacán Sinaloa]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>10</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-61322020000100125&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-61322020000100125&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-61322020000100125&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Con el objetivo de determinar el efecto de la suplementación con metionina de zinc durante el periodo de gestación-lactación (GL) y desarrollo-finalización (DF) en el desempeño productivo y durante DF en la morfología del epitelio intestinal en cerdos criados en ambiente caluroso o fresco, se realizaron dos experimentos (Exp. 1, en la época calurosa; Exp. 2, en la época fresca del año). Se utilizaron 192 cerdos (96 por Exp.) con una edad promedio de 79 d y 26.39±DE4.97 kg de peso, hijos de cerdas que recibieron o no, alimento adicionado con 100 mg de Zn/kg, a partir de los 80 a 114 días de gestación y durante 21 d de lactación (GL). En cada experimento, los cerdos fueron asignados a uno de cuatro tratamientos en un diseño completamente al azar con arreglo factorial 2 x 2. Los tratamientos fueron: T1 (Testigo; n = 24), madres no suplementadas-cerdos no suplementados; T2 (Zn DF; n = 24), madres no suplementadas- cerdos suplementados con 100 mg de Zn/kg alimento; T3 (Zn GL; n = 24), madres suplementadas-cerdos no suplementados y, T4 (Zn GL + Zn DF; n = 48), madres suplementadas + cerdos suplementados. La suplementación con 100 mg de Zn/kg de alimento durante GL y DF no modificó el desempeño productivo de los cerdos durante el periodo completo de estudio. La relación altura de la vellosidad: profundidad de la cripta fue mayor (p &lt;0.01) en los cerdos suplementados con Zn (3.36 vs. 2.77) durante la época de calor. Se observó una interacción (p&lt;0.02) entre el clima y la suplementación con metionina de zinc en la profundidad de la cripta y en la relación V: C. La suplementación durante GL tendió (P = 0.06) a bajar la mortalidad de los cerdos en desarrollo-finalización en la época fresca. Los resultados permiten concluir que la adición de metionina de zinc a la dieta mejora la integridad del epitelio intestinal en los cerdos en desarrollo-finalización criados bajo ambiente caluroso, y la suplementación durante el periodo de gestación y lactación reduce la mortalidad durante la engorda.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT To determine the effect of zinc-methionine supplementation during the gestation-lactation (GL) and growing- finishing (DF) period in the performance and during DF on the epithelium intestinal morphology of fattening pigs under hot and cool condition, two experiments were carried out. The experiment (Exp.) 1 was carried out during the hot season and Exp. 2 during the cool season of the year. 192 pigs were used (96 per Exp.) with an average age of 79 days and 26.39±SD4.97 kg of body weight, piglets of sows that received or not feed added with 100 mg of Zn/kg, from 80 to 114 days of gestation and during 21 d of lactation (GL). In each experiment, the pigs were assigned to one of four treatments in a completely random design with a 2 x 2 factorial arrangement. The treatments were T1 (control, n = 24), non-supplemented mothers-non- supplemented pigs; T2 (Zn FD; n = 24), non-supplemented mothers, pigs supplemented with 100 mg of Zn/kg feed; T3 (Zn GL; n = 24), supplemented mothers - non-supplemented pigs and, T4 (Zn GL + Zn DF; n = 24), supplemented mothers + supplemented pigs. Supplementation with 100 mg of Zn / kg of feed during GL and DF did not modify the productive performance of the pigs during the study period. However, the villus height: crypt depth ratio was higher (p &lt;0.01) in pigs supplemented with Zn (3.36 vs. 2.77) during the hot season. An interaction (p &lt;0.02) between climate and zinc, methionine supplementation was observed in the depth of the crypt and the V:C ratio. Supplementation during GL tended (P=0.06) to lower the mortality of developing-finishing pigs in the cool season. According to results, it is concluded that the addition of zinc methionine to the diet improves the integrity of the intestinal epithelium in developing-finishing pigs reared under a hot environment, and supplementation during the gestation and lactation period reduces mortality during fattening.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Cerdo]]></kwd>
<kwd lng="es"><![CDATA[Metionina de Zinc]]></kwd>
<kwd lng="es"><![CDATA[Epitelio intestinal]]></kwd>
<kwd lng="es"><![CDATA[Respuesta productiva]]></kwd>
<kwd lng="en"><![CDATA[Pig]]></kwd>
<kwd lng="en"><![CDATA[Zinc methionine]]></kwd>
<kwd lng="en"><![CDATA[Intestinal epithelium]]></kwd>
<kwd lng="en"><![CDATA[Productive response]]></kwd>
</kwd-group>
</article-meta>
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