<?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>S2007-11242022000200559</article-id>
<article-id pub-id-type="doi">10.22319/rmcp.v13i2.5977</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Frecuencia y puntaje de jadeo en bovinos productores de carne en finalización intensiva durante el verano]]></article-title>
<article-title xml:lang="en"><![CDATA[Panting frequency and score in beef cattle in intensive finishing during summer in the dry tropics]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romo Valdez]]></surname>
<given-names><![CDATA[Ana Mireya]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Portillo Loera]]></surname>
<given-names><![CDATA[Jesús José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Urías Estrada]]></surname>
<given-names><![CDATA[Jesús David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estrada Angulo]]></surname>
<given-names><![CDATA[Alfredo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castro Pérez]]></surname>
<given-names><![CDATA[Beatriz Isabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ríos Rincón]]></surname>
<given-names><![CDATA[Francisco Gerardo]]></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[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>13</volume>
<numero>2</numero>
<fpage>559</fpage>
<lpage>572</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11242022000200559&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11242022000200559&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11242022000200559&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Para determinar la frecuencia y el puntaje de jadeo en bovinos productores de carne en finalización intensiva durante la séptima a la doceava semana del verano, se llevó a cabo un estudio observacional descriptivo con duración de seis semanas. Se eligieron 12 corrales de tres diferentes dimensiones. A las 0800, 1200 y 1600 horas se registraron la frecuencia y puntaje de jadeo, temperatura ambiental y humedad relativa; además, se calculó el índice de temperatura y humedad (ITH). La frecuencia se registró como el número de bovinos que manifestaron esta expresión en cada corral. Para registrar el puntaje de jadeo se utilizó una escala de cinco puntos. Los bovinos se asignaron a tres categorias: sin giba, con giba media y giba grande en correspondencia con la predominancia fenotipica de Bos taurus o Bos indicus. La mayor frecuencia de jadeos se observó a las 1200 y 1600 h (P&lt;0.01), cuando el valor de ITH superó las 84 unidades. Se observó efecto (P&lt;0.01) del diseño del corral, hora del día y tamaño de la giba sobre el puntaje de jadeo. En la manifestación de la frecuencia y puntaje de jadeo en bovinos productores de carne en corral de engorda intensiva, influyó la hora del día, el diseño del corral y la mayor predominancia fenotípica de Bos taurus.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Panting frequency and score are indicative of cattle well-being in intensive finishing feedlots. A six-week-long descriptive observational study was done of intensive finishing beef cattle during summer in the dry tropics in northwest Mexico. Data were collected on pen type, observation time (0800, 1200 and 1600 hours), panting frequency and score, environmental temperature, relative humidity and animal phenotypic predominance (i.e. Bos taurus or Bos indicus). The temperature and humidity index (THI) was calculated. Panting frequency was recorded as the number of animals exhibiting this behavior per pen, and panting scored on a five-point scale. Three categories of phenotype were assigned (no hump, medium hump and large hump), greater hump size being indicative of greater B. indicus influence. Panting frequency was highest at 1200 and 1600 h (P&lt;0.01), when THI values consistently exceeded 84 units. Panting score tended to be higher (P&lt;0.01) in pens with less space for individual animals, at later observation times, and in animals with no hump. Panting frequency and score in beef cattle in intensive feedlots was influenced by time of day, pen design and a predominantly B. taurus phenotype.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Estrés por calor]]></kwd>
<kwd lng="es"><![CDATA[Bovinos]]></kwd>
<kwd lng="es"><![CDATA[Finalización intensiva]]></kwd>
<kwd lng="en"><![CDATA[Heat stress]]></kwd>
<kwd lng="en"><![CDATA[Bovines]]></kwd>
<kwd lng="en"><![CDATA[Intensive finishing]]></kwd>
</kwd-group>
</article-meta>
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