<?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>S2007-11242022000100200</article-id>
<article-id pub-id-type="doi">10.22319/rmcp.v13i1.5675</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Determinación serológica del virus de leucosis enzoótica bovina (VLEB) en el municipio de Paipa, Boyacá (Colombia)]]></article-title>
<article-title xml:lang="en"><![CDATA[Serological determination of enzootic bovine leukosis virus (EBLV) in the municipality of Paipa, Boyacá (Colombia)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez Sánchez]]></surname>
<given-names><![CDATA[Jorge Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bulla-Castañeda]]></surname>
<given-names><![CDATA[Diana María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz-Anaya]]></surname>
<given-names><![CDATA[Adriana María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garcia-Corredor]]></surname>
<given-names><![CDATA[Diego José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pulido-Medellin]]></surname>
<given-names><![CDATA[Martin Orlando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Pedagógica y Tecnológica de Colombia Facultad de Ciencias Agropecuarias ]]></institution>
<addr-line><![CDATA[Tunja ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<volume>13</volume>
<numero>1</numero>
<fpage>200</fpage>
<lpage>210</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11242022000100200&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11242022000100200&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11242022000100200&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La leucosis enzoótica bovina (LEB) es una infección económicamente importante del ganado lechero, causada por el virus de la leucemia enzoótica bovina (VLEB). El método habitual de propagación de la infección por VLEB es la transmisión horizontal, a través de la exposición directa e indirecta de animales susceptibles a los linfocitos infectados de la sangre o de la leche. Tras la infección los animales aparentan estar clínicamente sanos durante los primeros años postinfección, pero entre el 30 y 70 % de los animales pueden desarrollar linfocitosis persistente y del 0.1 a 10 % de los bovinos sufren de linfosarcoma. Esta infección se detecta mediante pruebas serológicas, generalmente por el ensayo por inmunoabsorción ligado a enzimas (ELISA). El objetivo de la presente investigación fue determinar la seroprevalencia de VLEB en hembras bovinas del municipio de Paipa (Boyacá). El estudio epidemiológico fue observacional descriptivo de corte (transversal) con muestreo aleatorio simple, en donde se recolectaron 1000 muestras de suero las cuales fueron procesadas mediante la técnica de ELISA indirecta implementando el kit comercial SERELISA® BLV Ab Mono Blocking. Se determinó una seroprevalencia de 31.1 % (311/1000) encontrando asociación estadística significativa entre la raza, la edad y la seropositividad al virus.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Enzootic Bovine Leukosis (EBL) is an economically important infection of dairy cattle, caused by the Enzootic Bovine Leukemia Virus (EBLV). The usual method of spread of EBLV infection is horizontal transmission, through direct and indirect exposure of susceptible animals to infected lymphocytes from blood or milk. After infection, animals appear to be clinically healthy during the first years after infection, but between 30 and 70 % of animals may develop persistent lymphocytosis and 0.1 to 10 % of cattle suffer from lymphosarcoma. This infection is detected by serological tests, usually by the enzyme-linked immunosorbent assay (ELISA). The objective of this research was to determine the seroprevalence of EBLV in bovine females from the municipality of Paipa (Boyacá). The epidemiological study was Descriptive Observational (Cross-sectional) with simple random sampling, where 1000 serum samples were collected, which were processed using the indirect ELISA technique implementing the commercial kit SERELISA® BLV Ab Mono Blocking. A seroprevalence of 31.1 % (311/1000) was determined, finding a statistically significant association between breed, age and seropositivity for the virus.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Enfermedades de los Bovinos]]></kwd>
<kwd lng="es"><![CDATA[Leucosis]]></kwd>
<kwd lng="es"><![CDATA[Seroprevalencia]]></kwd>
<kwd lng="es"><![CDATA[ELISA]]></kwd>
<kwd lng="en"><![CDATA[Bovine diseases]]></kwd>
<kwd lng="en"><![CDATA[Leukosis]]></kwd>
<kwd lng="en"><![CDATA[Seroprevalence]]></kwd>
<kwd lng="en"><![CDATA[ELISA]]></kwd>
</kwd-group>
</article-meta>
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