<?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>S2007-11242019000100001</article-id>
<article-id pub-id-type="doi">10.22319/rmcp.v10i1.4758</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Frecuencia de Cryptosporidium en perros asociados a establos lecheros y en áreas urbanas del estado de Aguascalientes, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Cryptosporidium infection frequency in dogs on dairy farms and in urban areas of the state of Aguascalientes, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vitela-Mendoza]]></surname>
<given-names><![CDATA[Irene]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Padilla Díaz]]></surname>
<given-names><![CDATA[Kenia]]></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 contrib-type="author">
<name>
<surname><![CDATA[Medina-Esparza]]></surname>
<given-names><![CDATA[Leticia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos-Parra]]></surname>
<given-names><![CDATA[Miguel]]></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>03</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<volume>10</volume>
<numero>1</numero>
<fpage>1</fpage>
<lpage>13</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11242019000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11242019000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11242019000100001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El objetivo del estudio fue determinar la frecuencia de Cryptosporidium spp, así como llevar a cabo la identificación de algunos factores de riesgo asociados a la infección en perros asociados a establos lecheros en Aguascalientes, México, y en perros procedentes del área urbana de la capital del mismo estado. Se colectaron muestras de excremento de 168 perros domiciliados en 30 establos lecheros distribuidos en diez municipios del estado, y de 144 perros residentes del Centro de Control, Atención y Bienestar Animal (CCABA), del municipio de Aguascalientes (área urbana), las cuales se procesaron mediante frotis fecal teñido con Kinyoun para identificar la presencia de ooquistes del parásito. Se levantó una encuesta para identificar diferentes características de los individuos y se realizó un análisis de riesgos mediante regresión logística. La frecuencia general de perros infectados por Cryptosporidium spp., fue 20.5 % (64/312; IC95% 16-25), mientras que en los perros procedentes del CCABA fue 9 % (13/144; IC95% 5-15), y en los asociados a establos fue de 30 % (51/168; IC95% 23-38). El 70 % de los establos tuvieron animales positivos, mientras que el promedio de perros por establo fue de 5.6, y la densidad fue de 2 a 12 perros. Se identificó como factor de riesgo a la infección por Cryptosporidium a la variable excremento diarreico, tanto en los perros de origen urbano (OR, 3.2; IC95% 1.06-9.79 P&lt;0.03) como en los asociados a los establos (OR, 2.7; IC95% 1.36-5.49 P&lt;0.001). En ninguna de las otras variables analizadas fue posible identificar una asociación estadísticamente significativa.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The intestinal parasite Cryptosporidium spp. is highly infectious in wild and domestic animals and humans. Infection frequency in dogs can vary between rural and urban environments. Cryptosporidium spp. infection frequency was quantified in dogs on dairy farms and in an urban area in the state of Aguascalientes, Mexico, and some possible risk factors analyzed. Feces samples were collected from 168 dogs at 30 dairy farms distributed among the state&#8217;s ten municipalities (rural), and from 144 dogs at the Aguascalientes municipal Animal Control, Care and Welfare Center (urban area). Fecal smears were stained with Kinyoun to identify and count parasite oocysts. A questionnaire was applied to gather information on factors that could increase infection risk, and a risk analysis run using logistic regression. Overall infection frequency was 20.5 % (64/312; CI95% 16-25). In farm dogs it was 30 % (51/168; 95% CI 23-38) and in urban dogs 9 % (13/144; 95% CI 5-15). Seventy percent (70 %) of the dairy farms had positive dogs, average number of dogs per farm was 5.6, and dog density per farm was 2 to 12. Diarrheic feces was the only identified risk factor for Cryptosporidium infection, in both urban dogs (OR, 3.2; 95% CI 1.06-9.79 P&lt;0.03) and farm dogs (OR, 2.7; CI95% 1.36-5.49 P&lt;0.001). Infection frequency was highest in farm dogs, suggesting a consequently higher probability of cross-infection in this type of environment.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Cryptosporidium]]></kwd>
<kwd lng="es"><![CDATA[Frecuencia]]></kwd>
<kwd lng="es"><![CDATA[Perros]]></kwd>
<kwd lng="es"><![CDATA[Factores de riesgo]]></kwd>
<kwd lng="en"><![CDATA[Cryptosporidium]]></kwd>
<kwd lng="en"><![CDATA[Frequency]]></kwd>
<kwd lng="en"><![CDATA[Dogs]]></kwd>
<kwd lng="en"><![CDATA[Risk factors]]></kwd>
</kwd-group>
</article-meta>
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