<?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>S0188-62662025000100101</article-id>
<article-id pub-id-type="doi">10.15174/au.2025.4338</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Relación costo-beneficio de la implementación de tecnologías productivas en el sistema vaca-becerro]]></article-title>
<article-title xml:lang="en"><![CDATA[Cost-benefit relationship of implementing productive technologies in the cow-calf system]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres Aburto]]></surname>
<given-names><![CDATA[Víctor Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Severino Lendechy]]></surname>
<given-names><![CDATA[Víctor Hugo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez Cervantes]]></surname>
<given-names><![CDATA[Adrián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Itza Ortiz]]></surname>
<given-names><![CDATA[Mateo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espinosa Ortiz]]></surname>
<given-names><![CDATA[Valentín Efrén]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ahuja Aguirre]]></surname>
<given-names><![CDATA[Concepción]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Veracruzana Facultad de Medicina Veterinaria y zootecnia ]]></institution>
<addr-line><![CDATA[Veracruz Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Chiapas Centro de Estudios Etnoagropecuarios ]]></institution>
<addr-line><![CDATA[San Cristóbal de las Casas Chiapas]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Tecnológico Nacional de México Instituto Tecnológico de Boca del Rio ]]></institution>
<addr-line><![CDATA[Boca del Río Veracruz]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma de Ciudad Juárez Departamento de Ciencias Veterinarias ]]></institution>
<addr-line><![CDATA[Ciudad Juárez Chihuahua]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Medicina Veterinaria y Zootecnia Departamento de Economía, Administración y Desarrollo Rural]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<volume>35</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-62662025000100101&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-62662025000100101&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-62662025000100101&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  El objetivo del estudio fue evaluar la relación costo-beneficio de la implementación de tecnologías productivas en una unidad de producción pecuaria dedicada a la producción de terneros para abastecimiento. Las tecnologías evaluadas fueron: diagnóstico de preñez, evaluación andrológica, suplementación alimentaria y programa sanitario. Los indicadores evaluados fueron: evaluación andrológica, tasa de fertilidad, intervalo entre partos, tasa de natalidad, becerros destetados y relación costo-beneficio. La evaluación andrológica indicó una mejora en la calidad seminal de los toros. La tasa de fertilidad, tasa de natalidad y becerros destetados se incrementó 33.5±1.3, 33.6±1.3 y 13.8±1.0 %, respectivamente. Se observó reducción en intervalo entre partos de 142.5±12.75 días y se obtuvo una relación costo-beneficio de 1.00. En conclusión, la relación costo-beneficio no indicó ganancias. No obstante, la implementación de las tecnologías productivas mejoró las variables productivas y reproductivas, logrando recuperar la inversión realizada durante el estudio.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  The objective of this work was to evaluate the cost-benefit relationship of the implementation of productive technologies in a livestock production unit dedicated to the production of calves for supply. The technologies evaluated were pregnancy diagnosis, andrological evaluation, nutritional supplementation, and health program. The results of the application of these technologies were observed in the following indicators: andrological evaluation, fertility rate, interval between calving, birth rate, weaned calves, and cost-benefit ratio. The andrological evaluation indicated an improvement in the semen quality of bulls. Fertility rate, birth rate, and weaned calves increased 33.5% ± 1.3%, 33.6% ± 1.3% and 13.8% ± 1.0%, respectively. There was a reduction in interval between calving of 142.5 ± 12.75 days, and a cost-benefit relationship of 1.00 was obtained. In conclusion, the cost-benefit relationship did not imply economic earnings. However, the implementation of productive technologies improved productive and reproductive variables, managing to recover the investment made in the study period.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Parámetros productivos]]></kwd>
<kwd lng="es"><![CDATA[economía]]></kwd>
<kwd lng="es"><![CDATA[ganadería]]></kwd>
<kwd lng="es"><![CDATA[costos]]></kwd>
<kwd lng="en"><![CDATA[Productive parameters]]></kwd>
<kwd lng="en"><![CDATA[economy]]></kwd>
<kwd lng="en"><![CDATA[cattle raising]]></kwd>
<kwd lng="en"><![CDATA[costs]]></kwd>
</kwd-group>
</article-meta>
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