<?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>2007-9028</journal-id>
<journal-title><![CDATA[Ecosistemas y recursos agropecuarios]]></journal-title>
<abbrev-journal-title><![CDATA[Ecosistemas y recur. agropecuarios]]></abbrev-journal-title>
<issn>2007-9028</issn>
<publisher>
<publisher-name><![CDATA[Universidad Juárez Autónoma de Tabasco, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-90282016000200251</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Molecular survey of Ehrlichia canis in dogs from Mexico: prevalence of infection and possible associated factors]]></article-title>
<article-title xml:lang="es"><![CDATA[Estudio molecular de Ehrlichia canis en perros de México: prevalencia de infección y posibles factores asociados]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz-Medina]]></surname>
<given-names><![CDATA[Olga Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bolio-González]]></surname>
<given-names><![CDATA[Manuel Emilio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Vivas]]></surname>
<given-names><![CDATA[Roger Iván]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Ruíz]]></surname>
<given-names><![CDATA[Edwin José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Osorio]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Yucatán Facultad de Medicina Veterinaria y Zootecnia Campus de Ciencias Biológicas y Agropecuarias]]></institution>
<addr-line><![CDATA[Mérida Yucatán]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Yucatán Facultad de Medicina Departamento de Enfermedades Infecciosas y Parasitarias]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2016</year>
</pub-date>
<volume>3</volume>
<numero>8</numero>
<fpage>251</fpage>
<lpage>257</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-90282016000200251&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-90282016000200251&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-90282016000200251&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: A cross-sectional study was performed to estimate the prevalence of infection of Ehrlichia canis in dogs and to explore the factors associated with the presence of the bacteria. The study was carried out in a village in Yucatan, Mexico. Blood samples were obtained from 200 dogs. Samples were analyzed by nested-PCR to detect the presence of E. canis DNA and thrombocyte counts were calculated. One-hundred and forty of the dogs (70 %) were found to be infested with ticks. A total of 1 116 ticks were recovered and all were identified as Rhipicephalus sanguineus. The prevalence of E. canis infection was 69.2 %. None of the variables studied (gender, age, body condition, platelet-related bleeding, thrombocytopenia, and presence of ticks) showed association with E. canis infection. In conclusion, there is a high probability that dogs living in Yucatan, Mexico are infected with E. canis.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Un estudio de sección cruzada fue realizada para estimar la prevalencia de infección de Ehrlichia canis en perros y explorar la presencia de factores asociados con la presencia de la bacteria. El estudio se realizó en una comunidad de Yucatán, México. Muestras de sangre de un total de 200 perros fueron obtenidas. Las muestras fueron analizadas por Nested-PCR para detectar la presencia de ADN de E. canis y se calculó el conteo de Plaquetas. 140 perros de 200 estudiados (70 %) estuvieron infestados por garrapatas. Un total de 1 116 garrapatas fueron recuperadas y todas identificadas como Rhipicephalus sanguineus. La prevalencia de infección por E. canis fue de 69.2 %. Ninguna de las variables estudiadas (género, edad, condición corporal, hemorragias relacionadas con plaquetas, trombocitopenia y presencia de garrapatas) mostraron asociación con la infección por E. canis. En conclusión, existe una alta probabilidad que los perros que viven en Yucatán, México, estén infectados con E. canis.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Dogs]]></kwd>
<kwd lng="en"><![CDATA[Ehrlichia canis]]></kwd>
<kwd lng="en"><![CDATA[Prevalence]]></kwd>
<kwd lng="en"><![CDATA[Nested-PCR]]></kwd>
<kwd lng="en"><![CDATA[Yucatan]]></kwd>
<kwd lng="en"><![CDATA[Mexico]]></kwd>
<kwd lng="es"><![CDATA[Perros]]></kwd>
<kwd lng="es"><![CDATA[Ehrlichia canis]]></kwd>
<kwd lng="es"><![CDATA[Prevalencia]]></kwd>
<kwd lng="es"><![CDATA[PCR anidado]]></kwd>
<kwd lng="es"><![CDATA[Yucatán]]></kwd>
<kwd lng="es"><![CDATA[México]]></kwd>
</kwd-group>
</article-meta>
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