<?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>S2007-11242018000300408</article-id>
<article-id pub-id-type="doi">10.22319/rmcp.v9i3.4538</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Detección de Neospora caninum en ganado lechero sacrificado en Aguascalientes, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Detection of Neospora caninum from slaughtered dairy cattle in Aguascalientes, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Medina Esparza]]></surname>
<given-names><![CDATA[Leticia Esperanza]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Luna Oseguera]]></surname>
<given-names><![CDATA[Ricardo de]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vitela Mendoza]]></surname>
<given-names><![CDATA[Irene Victoria]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz Vázquez]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico El Llano  ]]></institution>
<addr-line><![CDATA[ Aguascalientes]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2018</year>
</pub-date>
<volume>9</volume>
<numero>3</numero>
<fpage>408</fpage>
<lpage>419</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11242018000300408&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11242018000300408&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11242018000300408&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Con el objetivo de detectar la presencia de Neospora caninum en tejidos, suero y sangre periférica de ganado lechero sacrificado en rastros de Aguascalientes, México, se colectaron muestras de médula espinal, corazón, hígado, sangre y suero sanguíneo de 71 animales adultos. Las muestras de suero se procesaron mediante la prueba de ELISA para detectar anticuerpos anti-N. caninum, mientras que las otras se sometieron a la prueba de PCR anidado para determinar la frecuencia de ADN del parásito en los diferentes tejidos, así como en sangre. La frecuencia general de animales seropositivos fue de 41 % (29/71; IC 95% 29-53) con un rango de 33 a 57 %. La frecuencia de detección de ADN de N. caninum en sangre fue 44 % (31/71; IC 95% 32-55), con un rango entre 38 y 50 %; en las muestras de médula espinal de 32 % (27/71; IC 95% 27-50), con un rango de 2 a 38 %; en las muestras de corazón, 22 % (16/71; IC 95% 13-34), con un rango de 4 a 33 %; y en las de hígado, 32 % (23/71; IC 95% 22-44), con un rango de 28 a 57 %. La concordancia entre la prueba de ELISA y la de PCR en sangre fue k= 0.36, de ELISA y PCR en tejidos k= 0.07 y de PCR en sangre y PCR en tejidos k= 0.61. Únicamente 11 vacas fueron positivas a las tres pruebas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The objective was to detect the presence of Neospora caninum in tissues, serum and peripheral blood of slaughtered dairy cattle in abattoirs of Aguascalientes, Mexico. Samples of spinal cord, heart, liver, blood and blood serum were collected from 71 adult animals and were processed as follow. Serum samples were processed by ELISA to detect anti-N. caninum antibodies, while the others were subjected to the nested PCR test to determine the frequency of parasite DNA in different tissues as well as blood. Overall frequency of seropositive animals was 41 % (29/71, 95% CI 29-53) with a range of 33 to 57 %. The frequency of detection of N. caninum DNA in the blood was 44 % (31/71, 95% CI 32-55), with a range between 38 and 50 %; in spinal cord samples of 32 % (27/71, 95% CI 27-50), with a range of 2 to 38 %; in heart samples, 22 % (16/71, 95% CI 13-34), with a range of 4 to 33 %, and in the liver samples, 32 % (23/71, 95% CI 22- 44), with a range of 28 to 57 %. The concordance between the ELISA test and PCR in blood was k= 0.36, of ELISA and PCR in tissues k= 0.07 and of PCR in blood and PCR in tissues k = 0.61. Only eleven cows were positive for all three tests.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Neospora caninum]]></kwd>
<kwd lng="es"><![CDATA[Ganado lechero]]></kwd>
<kwd lng="es"><![CDATA[ADN]]></kwd>
<kwd lng="es"><![CDATA[PCR]]></kwd>
<kwd lng="es"><![CDATA[Sangre]]></kwd>
<kwd lng="es"><![CDATA[Tejidos]]></kwd>
<kwd lng="en"><![CDATA[Neospora caninum]]></kwd>
<kwd lng="en"><![CDATA[Dairy cattle]]></kwd>
<kwd lng="en"><![CDATA[DNA]]></kwd>
<kwd lng="en"><![CDATA[PCR]]></kwd>
<kwd lng="en"><![CDATA[Blood]]></kwd>
<kwd lng="en"><![CDATA[Tissues]]></kwd>
</kwd-group>
</article-meta>
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