<?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>S1688-48092020000201504</article-id>
<article-id pub-id-type="doi">10.29155/vet.56.214.6</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Síndrome de Leptomeningitis / Ventriculitis / Coroiditis (Histophilus somni) en bovinos: descripción de tres focos en el Este del Uruguay]]></article-title>
<article-title xml:lang="en"><![CDATA[Leptomeningitis / Ventriculitis / Choroiditis Syndrome (Histophilus somni) in cattle: description of three outbreaks in Eastern Uruguay]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romero]]></surname>
<given-names><![CDATA[Agustín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Briano]]></surname>
<given-names><![CDATA[Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[Marcelo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dutra]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,DILAVE &#8220;Miguel C. Rubino&#8221; Laboratorio Regional Este ]]></institution>
<addr-line><![CDATA[Avelino Miranda 2045, Treinta y Tres, ]]></addr-line>
<country>Uruguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<volume>56</volume>
<numero>214</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S1688-48092020000201504&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S1688-48092020000201504&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S1688-48092020000201504&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:   Se describe la epidemiología, clínica y patología de 3 focos (4 casos) del cuadro patológico de Periventriculitis / Coroiditis causado por Histophilus somni diagnosticados en la región Este de Uruguay (2013-2019). Los focos ocurrieron en predios agropecuarios con diferentes sistemas de producción intensivos, incluyendo feedlots, predios ganaderos de recría y tambos. Clínicamente, algunos animales presentaban signos inespecíficos de fiebre y depresión, con decúbito costal y muerte a las pocas horas. En otros casos, los animales presentaron ataxia, temblores, pedaleo, opistótonos y convulsiones. A la necropsia los hallazgos patológicos más significativos en el sistema nervioso central eran de coroiditis y periventriculitis fibrinosupurativa en los ventrículos laterales. Se observó también pericarditis y otras complicaciones fibrino-supurativas a nivel renal (pielonefritis), como consecuencia de la septicemia. En ningún de los casos habían lesiones pulmonares. A la histopatología, en todos los casos había vasculitis leucocitoclástica, trombosis y colonias bacterianas cocoides Gram-negativas en su interior. En dos casos, mediante Inmunohistoquímica, se confirmó la presencia de Histophilus somni en lesiones ventriculares cerebrales y renales, sugiriendo una infección ascendente por las vías urinarias. La histophilosis bovina es una enfermedad que está presente en la región, debiendo considerarse la misma en casos de mortalidad de animales con infecciones multisistémicas en predios intensivos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary: The aim of this paper is to describe three outbreaks (four cases) Leptomeningitis / Ventriculitis /Choroiditis Syndrome (Histophilus somni) occurred in cattle in the eastern region of Uruguay (2013-2019). All cases occurred in feedlots and cattle farms with intensive o semi-intensive production systems. Animals showed fever, ataxia, opisthotonus, seizures, and finally death. At necropsy the main findings were found in the central nervous system and characterized by fibrino-suppurative leptomeningitis, with ventriculitis and choroiditis. Pericarditis and nephritis- pyelonephritis were also found in some cases. No pulmonary lesions were found, in the four animals necropsied. The main histological lesions were found in the periventricular region and characterized by vasculitis, thrombosis with Gram-negative bacterial colonies. In two cases, the presence of Histophilus somni in brain and kidney lesions was confirmed by immunohistochemistry. Bovine histophilosis is a disease present in Uruguay and it should be considered in case of mortality of animals with nervous and multisystemic infections.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[bovino]]></kwd>
<kwd lng="es"><![CDATA[Histophilus somni]]></kwd>
<kwd lng="es"><![CDATA[periventriculitis-coroiditis]]></kwd>
<kwd lng="es"><![CDATA[pericarditis]]></kwd>
<kwd lng="en"><![CDATA[bovine]]></kwd>
<kwd lng="en"><![CDATA[Histophilus somni]]></kwd>
<kwd lng="en"><![CDATA[Periventriculitis-choroiditis]]></kwd>
<kwd lng="en"><![CDATA[pericarditis]]></kwd>
</kwd-group>
</article-meta>
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