<?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>0122-0268</journal-id>
<journal-title><![CDATA[Revista MVZ Córdoba]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.MVZ Cordoba]]></abbrev-journal-title>
<issn>0122-0268</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Córdoba - Facultad de Medicina Veterinaria y Zootecnia.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0122-02682016000305577</article-id>
<article-id pub-id-type="doi">10.21897/rmvz.832</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Neospora caninum serostatus in dairy cattle of the Northern plains of Antioquia, Colombia]]></article-title>
<article-title xml:lang="es"><![CDATA[Estudio serológico de Neospora caninum en ganado de leche del altiplano Norte de Antioquia, Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chaparro G]]></surname>
<given-names><![CDATA[Jenny]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Olivera A]]></surname>
<given-names><![CDATA[Martha]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez V]]></surname>
<given-names><![CDATA[Nicolás]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villar A]]></surname>
<given-names><![CDATA[David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernandez S]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Londoño P]]></surname>
<given-names><![CDATA[Julián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palacio B]]></surname>
<given-names><![CDATA[Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Antioquia Escuela de Medicina Veterinaria ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Antioquia Escuela de Medicina Veterinaria ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Antioquia Escuela de Medicina Veterinaria ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Vecol, Empresa Colombiana de Productos Veterinarios S.A  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<volume>21</volume>
<numero>3</numero>
<fpage>5577</fpage>
<lpage>5583</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0122-02682016000305577&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0122-02682016000305577&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0122-02682016000305577&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Objectives.  To determine Neospora caninum seroprevalence in nonvaccinated dairy cattle from the Northern plains of Antioquia.  Materials and methods.  A cross-sectional study was conducted to determine the prevalence of neosporosis in a major dairy area of Colombia. Blood samples were collected from 1003 dairy cattle in 29 herds located in the municipality of San Pedro de los Milagros, in Antioquia. N. caninum antibody levels were measured by an enzymatic immunoassay (ELISA) and the results classified as positive or negative.  Results.  Seropositive cattle were observed in all herds, with a prevalence ranging from 7 to 97% and a mean (±S.E) of 37.1% (±4.2). The distribution of seropositive animals by age groups of &lt;1, 1-2, 2-3 and &#8805;3 years old was 25.5, 30.3, 46.1 and 39.1%, respectively.  Conclusions.  There is a high seroprevalence of N. caninum in the main dairy cattle area of Antioquia. The large variation among herds suggests the presence of mayor risk factors whose identification would be essential to establish control programs. Considering that any seropositive cow has a greater risk to abort than uninfected mates, future studies should address the epidemiology of abortions that can be attributed to neosporosis and the type of control strategies that could be implemented.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Objetivos . Determinar la seroprevalencia de Neospora caninum en ganado lechero sin vacunar del altiplano Norte de Antioquia.  Materiales y métodos . Se realizó un estudio transversal para determinar la prevalencia de neosporosis en bovinos de la principal zona lechera antioqueña. En Mayo-Junio del 2014 se recolectaron muestras de sangre de 1003 bovinos en 29 hatos ubicados en el municipio de San Pedro de los Milagros, en Antioquia. Los niveles de anticuerpos de N. caninum se midieron mediante un kit de inmunoensayo enzimático (ELISA) y los resultados se clasificaron como positivos o negativos.  Resultados.  Se observaron bovinos seropositivos en todos los hatos, con una prevalencia entre el 7 y 97%, y una media (±SE) del 37.1% (±4.2). La distribución de los animales seropositivos por grupos de &lt;1, 1-2, 2-3 y &#8805;3 años de edad fue del 25.5, 30.3, 46.1 y 39.1%, respectivamente.  Conclusiones.  Se detectó una alta tasa de seroprevalencia de N. caninum en la principal zona de ganado lechero de Antioquia. La gran variación entre hatos apunta a que existen factores de riesgo cuya identificación sería esencial a la hora de instaurar programas de control. En vista de que cualquier vaca seropositiva tiene un mayor riesgo de abortar que congéneres no infectados, los próximos estudios deberían abordar la epidemiología de abortos atribuible a neosporosis previo a establecer cualquier plan de control.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Neospora caninum]]></kwd>
<kwd lng="en"><![CDATA[cattle]]></kwd>
<kwd lng="en"><![CDATA[seroprevalence]]></kwd>
<kwd lng="en"><![CDATA[ELISA]]></kwd>
<kwd lng="en"><![CDATA[Colombia]]></kwd>
<kwd lng="es"><![CDATA[Neospora]]></kwd>
<kwd lng="es"><![CDATA[bovino]]></kwd>
<kwd lng="es"><![CDATA[seroprevalencia]]></kwd>
<kwd lng="es"><![CDATA[ELISA]]></kwd>
<kwd lng="es"><![CDATA[Colombia]]></kwd>
</kwd-group>
</article-meta>
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