<?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>1688-4809</journal-id>
<journal-title><![CDATA[Veterinaria (Montevideo)]]></journal-title>
<abbrev-journal-title><![CDATA[Veterinaria (Montev.)]]></abbrev-journal-title>
<issn>1688-4809</issn>
<publisher>
<publisher-name><![CDATA[Sociedad de Medicina Veterinaria del Uruguay]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1688-48092017000300023</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Enteropatía proliferativa porcina por Lawsonia intracellularis y coinfección por Trichuris suis y Balantidium coli en un cerdo en Uruguay]]></article-title>
<article-title xml:lang="en"><![CDATA[Porcine proliferative enteropathy by Lawsonia intracellularis and coinfection with Trichuris suis and Balantidium coli in a pig in Uruguay]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[JÁ.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quiroga]]></surname>
<given-names><![CDATA[MA.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romero]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Domínguez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Streitenberger]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dutra]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de la República Centro Universitario Regional Este ]]></institution>
<addr-line><![CDATA[Treinta y Tres ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,DILAVE &#8220;Miguel C. Rubino&#8221; Regional Este ]]></institution>
<addr-line><![CDATA[Treinta y Tres ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional de La Plata Facultad de Ciencias Veterinarias Laboratorio de Patología Especial Veterinaria]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Treinta y Tres  ]]></institution>
<addr-line><![CDATA[Treinta y Tres ]]></addr-line>
<country>Uruguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>11</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>11</month>
<year>2017</year>
</pub-date>
<volume>53</volume>
<numero>207</numero>
<fpage>23</fpage>
<lpage>31</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S1688-48092017000300023&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S1688-48092017000300023&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S1688-48092017000300023&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La enteropatía proliferativa porcina (EPP) es una enfermedad infecciosa transmisible, ampliamente difundida mundialmente, de gran importancia económica, causada por Lawsonia intracellularis. El objetivo del presente trabajo es describir un caso de EPP por L. intracellularis en coinfección con Trichuris suis y Balantidium coli en Uruguay. La enfermedad se diagnosticó en octubre de 2015 en una piara de 130 lechones cruza de hasta 3 meses de edad. La incidencia acumulada en 30 días fuede 14% (18/130) y la letalidad de 83% (15/18). Los animales afectados presentaron diarrea profusa, deshidratación, adelgazamiento progresivo y debilidad, con evolución a muerte tras un curso clínico de 10 días. Macroscópicamente en un cerdo necropsiado,se observó engrosamiento de la mucosa con aspecto cerebroide en la última porción del íleon, y en el ciego y el colon. Elintestino gruesopresentó además una membrana fibrinonecrótica difusamente adherida a la mucosa, donde se identificaron ejemplares de Trichuris suis. Microscópicamente, habíahiperplasia de las criptas y glándulas intestinales, que se observaron elongadas, ramificadas y con marcada reducción del número de células caliciformes en el íleon y el ciego. Había múltiples áreas de necrosis superficial y ulceración con numerosos protozoarios morfológicamente compatibles con trofozoitos deBalantidium coli adheridos a la superficie necrótica en el ciego. La identificación intralesional de L. intracellularis se realizó mediante las técnicas de Warthin-Starry e inmunohistoquímica.Lawsonia intracellularis debe ser considerada un diagnóstico etiológico diferencial en porcinos con diarrea y enteropatía en Uruguay.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary: Porcine proliferative enteropathy (PPE) is aneconomically important, transmissible infectious disease of worldwide distribution caused by Lawsonia intracellularis. The objective of this report is to describe a caseof PPE caused by L. intracellularis in coinfection with Trichuris suis and Balantidium coliin Uruguay. The disease was diagnosed in October 2015 in a herd of 130 crossbred grower pigs up to 3 months of age. The cumulative incidence was 14% (18/130) and a lethality rate 83% (15/18). Affected animals presented profuse diarrhea, ill thrift and weakness, with progression to death after a clinical course of 10 days. At necropsy of one pig, the terminal segment of the ileum, cecum and colon showedthickening of the mucosa and irregular folds in a cerebriform pattern. In the cecum and proximal colon, there was also a diffuse fibrinonecrotic membrane attached to the mucosa withembedded specimens of Trichuris suis. Microscopiclesions were characterized bycrypt and gland hyperplasia with branching and depletion of goblet cells in the ileum and cecum. Multiple areas of superficial necrosis and ulceration were recognized with numerous protozoans morphologically resemblingBalantidium colitrophozoites adhered to the necrotic surface of the cecum. Lawsonia intracellularis was identified intralesionally by Warthin-Starry stain and immunohistochemistry.Lawsonia intracellularis should be considered a differential etiologic diagnosis for diarrhea and enteropathyin swine in Uruguay.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[suinos]]></kwd>
<kwd lng="es"><![CDATA[enteritis necrótica]]></kwd>
<kwd lng="es"><![CDATA[ileitis]]></kwd>
<kwd lng="es"><![CDATA[adenomatosis intestinal porcina.]]></kwd>
<kwd lng="en"><![CDATA[swine]]></kwd>
<kwd lng="en"><![CDATA[necrotic enteritis]]></kwd>
<kwd lng="en"><![CDATA[ileitis]]></kwd>
<kwd lng="en"><![CDATA[porcine intestinal adenomatosis.]]></kwd>
</kwd-group>
</article-meta>
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