<?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>2007-3380</journal-id>
<journal-title><![CDATA[Revista bio ciencias]]></journal-title>
<abbrev-journal-title><![CDATA[Revista bio ciencias]]></abbrev-journal-title>
<issn>2007-3380</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma de Nayarit]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-33802020000100120</article-id>
<article-id pub-id-type="doi">10.15741/revbio.07.e902</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Detection of Salmonella spp. in beef from TIF and non-TIF slaughterhouses in Nayarit, Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Detección de Salmonella spp. en carne bovina procedente de rastros tipo inspección federal (TIF) y rastros &#8220;No-TIF&#8221; en Nayarit, México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ventura-Ramón]]></surname>
<given-names><![CDATA[G.H]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bueno-Durán]]></surname>
<given-names><![CDATA[A.Y]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Toledo-Ibarra]]></surname>
<given-names><![CDATA[G.A]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz-Resendiz]]></surname>
<given-names><![CDATA[K.J.G]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barcelos-García]]></surname>
<given-names><![CDATA[R.G]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Girón-Pérez]]></surname>
<given-names><![CDATA[M.I]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Nayarit Laboratorio de Inmunotoxicología CEMIC 03 ]]></institution>
<addr-line><![CDATA[ Nayarit]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Nayarit Unidad Académica de Ciencias Químicas Biológicas y Farmacéuticas ]]></institution>
<addr-line><![CDATA[Tepic Nayarit]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma de Nayarit Laboratorio Nacional para la Investigación en Inocuidad Alimentaria LANIIA-Unidad Nayarit ]]></institution>
<addr-line><![CDATA[Tepic Nayarit]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<volume>7</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-33802020000100120&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-33802020000100120&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-33802020000100120&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: In Mexico, beef for human consumption comes from federal-inspection type (TIF, tipo inspección federal) or non-TIF slaughterhouses. The latter do not comply with all national quality and hygiene standards established by the Ministry of Agriculture and Rural Development (SADER, Secretaría de Agricultura y Desarrollo Rural), while TIF beef is certified by the National Service of Health, Safety, and Food Quality (SENASICA, Servicio Nacional de Sanidad, Inocuidad y Calidad Agroalimentaria), which reports to SADER. In this work the presence of Salmonella spp. was analyzed in TIF and non-TIF beef commercialized in supermarkets, as well as non-TIF beef commercialized in local butchers in Tepic, Nayarit (Mexico). Salmonella spp. was detected using qPCR, and the results indicate its presence in the three types of beef analyzed. Although a smaller proportion of contaminated samples and a lower degree of contamination were detected in it, TIF beef is not free from the presence of this pathogen and thus cannot be considered an innocuous product.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: En México, la carne para consumo humano puede provenir de rastros &#8220;Tipo Inspección Federal&#8221; (TIF), o bien de rastros &#8220;No-TIF&#8221;, estos últimos no trabajan con apego a todas las Normas Nacionales de Calidad e Higiene establecidas por SADER (Secretaría de Agricultura y Desarrollo Rural), mientras que la carne &#8220;TIF&#8221; cuenta con la certificación por parte del Servicio Nacional de Sanidad, inocuidad y Calidad Agroalimentaria (SENASICA), el cual es dependiente de la SADER. En este trabajo se analizó la presencia de Salmonella spp. en carne de res &#8220;TIF&#8221; y &#8220;No-TIF&#8221;, comercializadas en supermercados, así como en carne &#8220;No-TIF&#8221; comercializada en carnicerías locales (carnicerías populares) de Tepic Nayarit, México. La detección de Salmonella spp. fue realizada mediante qPCR. Los resultados mostraron la presencia de Salmonella spp. en los tres tipos de carne analizada; sin embargo, en las muestras de carne TIF se detectó menor proporción de muestras contaminadas y menor grado de contaminación, no obstante, la carne TIF analizada no está libre de la presencia de este patógeno, por lo que no se puede considerar un producto inocuo.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Microbiological contamination]]></kwd>
<kwd lng="en"><![CDATA[TIF beef]]></kwd>
<kwd lng="en"><![CDATA[Salmonella spp]]></kwd>
<kwd lng="es"><![CDATA[Contaminación microbiológica]]></kwd>
<kwd lng="es"><![CDATA[Carne TIF]]></kwd>
<kwd lng="es"><![CDATA[Salmonella spp]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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