<?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>0120-0690</journal-id>
<journal-title><![CDATA[Revista Colombiana de Ciencias Pecuarias]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Colom Cienc Pecua]]></abbrev-journal-title>
<issn>0120-0690</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Ciencias Agrarias, Universidad de Antioquia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-06902018000100010</article-id>
<article-id pub-id-type="doi">10.17533/udea.rccp.v31n1a02</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Cross-sectional study of 13 Leptospira serovars in cows in a Colombian dairy region]]></article-title>
<article-title xml:lang="es"><![CDATA[Estudio transversal de 13 serovares de Leptospira en vacas en una región lechera colombiana]]></article-title>
<article-title xml:lang="pt"><![CDATA[Estudo transversal de 13 sorotipos de Leptospira em vacas em uma região leitera colombiana]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Olivera]]></surname>
<given-names><![CDATA[Marta]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chaparro]]></surname>
<given-names><![CDATA[Jenny J]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chaparro]]></surname>
<given-names><![CDATA[Yanira]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Piedrahita]]></surname>
<given-names><![CDATA[Diego]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-Silva]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Londoño]]></surname>
<given-names><![CDATA[Julián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palacio]]></surname>
<given-names><![CDATA[Luis G]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Vásquez]]></surname>
<given-names><![CDATA[Nicolás]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villar]]></surname>
<given-names><![CDATA[David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Antioquia Facultad de Ciencias Agrarias ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Antioquia Facultad de Ciencias Agrarias ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Zoolab  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Antioquia Facultad de Ciencias Agrarias ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Vecol  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2018</year>
</pub-date>
<volume>31</volume>
<numero>1</numero>
<fpage>10</fpage>
<lpage>16</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-06902018000100010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-06902018000100010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-06902018000100010&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: Leptospirosis in cattle is recognized as a major cause of reproductive loses due to abortions, early embryonic death, and infertility. The type of Leptospira serovars that are currently circulating in Colombian herds is largely unknown due to the lack of national reports.  Objective: The prevalence of antibodies specific to 13 Leptospira spp serovars was investigated in unvaccinated cows from 26 herds in San Pedro de los Milagros (Province of Antioquia) dairy region.  Methods: Microscopic agglutination test was used on serum samples, following WHO recommendations.  Results: A total of 112/900 (12.4%) of the animals had antibody titers of 1:100 or greater to at least one Leptospira serovar. Of those positive, 34/900 (3,8%) animals seroconverted to two or more serovars. In order of decreasing prevalence, the serovars detected were: hardjo prajitno, pomona, grippotyphosa, tarassovi, copenhageni, canicola, cellodeni and bratislava. There were 28 animals seropositive to serovar hardjo.  Conclusion: Our results indicate that leptospirosis should be included as a differential diagnosis for various reproductive problems in this region.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: La leptospirosis es la mayor causal de pérdidas reproductivas debidas a abortos, muerte embrionaria temprana e infertilidad. Se desconocen los serovares de Leptospira que actualmente se encuentran circulando en el rebaño colombiano debido a la falta de reportes nacionales.  Objetivo: Se investigó la prevalencia de anticuerpos específicos para 13 serovares de Leptospira spp en vacas no vacunadas de 26 rebaños en la región lechera de San Pedro de los Milagros (Provincia de Antioquia).  Métodos: La prueba de aglutinación microscópica fue empleada en muestras de suero de acuerdo a las recomendaciones de la OMS.  Resultados: Un total de 112/900 (12,4%) de los animales presentaron títulos de anticuerpos de 1:100 o superiores para al menos un serovar de Leptospira. Entre los positivos, el 34/900 (3,8%) de los animales presentaron seroconversión para dos o más serovares. En orden decreciente de prevalencia, los serovares detectados fueron: hardjo prajitno, pomona, grippotyphosa, tarassovi, copenhageni, canicola, cellodeni y Bratislava. En total, 28 animales fueron seropositivos al serovar hardjo.  Conclusión: La leptospirosis debería ser incluida como diagnóstico diferencial en problemas reproductivos en esta región.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Antecedentes: Aleptospirose em bovinos é reconhecida como uma das principais causas de perdas reprodutivas devido a abortos, morte embrionária precoce e infertidade. Os sorotipos de Leptospira que estão atualmente em circulação no rebanho colombiano não se conhecem devido à falta de reportes nacionais.  Objetivo: Neste estúdio foi investigada a prevalência de anticorpos específicos para 13 sorovares de Leptospira spp em vacas não vacinadas de 26 rebanhos leiteiros da região de San Pedro, Antioquia.  Métodos: Foi empregado o teste de aglutinação microscópica (MAT) em amostras de soro de acordo com as recomendações da OMS.  Resultados: Um total de 112/900 (12,4%) animais apresentaram títulos de anticorpos de 1:100 ou superiores para pelo menos um sorotipo de Leptospira. Dos animais positivos, 34/900 (3,8%) soroconverteram para dois ou mais sorotipos. A fim de diminuir a prevalência, foram detectados os sorotipos: hardjo, prajitno, pomona, grippotyphosa, tarassovi, copenhageni, canicola, cellodeni e Bratislava. Um total de28 animais foram soropositivos para o sorotipo hardjo.  Conclusão: Os resultados indicam que a leptospirose deveria ser incluída nos diagnósticos diferenciais para o diagnóstico diferencial de problemas em doenças reprodutivas nos bovinos de Antioquia.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[dairy cattle]]></kwd>
<kwd lng="en"><![CDATA[leptospirosis]]></kwd>
<kwd lng="en"><![CDATA[MAT]]></kwd>
<kwd lng="en"><![CDATA[prevalence]]></kwd>
<kwd lng="es"><![CDATA[ganado lechero]]></kwd>
<kwd lng="es"><![CDATA[leptospirosis]]></kwd>
<kwd lng="es"><![CDATA[MAT]]></kwd>
<kwd lng="es"><![CDATA[prevalencia]]></kwd>
<kwd lng="pt"><![CDATA[gado leiteiro]]></kwd>
<kwd lng="pt"><![CDATA[leptospirose]]></kwd>
<kwd lng="pt"><![CDATA[MAT]]></kwd>
<kwd lng="pt"><![CDATA[prevalência]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Garoussi]]></surname>
<given-names><![CDATA[TM]]></given-names>
</name>
</person-group>
<source><![CDATA[The prevalence of heifer mastitis due to Leptospirosis. Heifer mastitis conference]]></source>
<year>2007</year>
<page-range>148-9</page-range><publisher-loc><![CDATA[Ghent-Belgium ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gerritsen]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
<name>
<surname><![CDATA[Koopmans]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
<name>
<surname><![CDATA[Olyhoek]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of streptomycin treatment on the shedding of and the serologic responses to Leptospira interrogans serovar hardjo subtype hardjobovis in experimentally infected cows]]></article-title>
<source><![CDATA[Vet Microbiol]]></source>
<year>1993</year>
<volume>38</volume>
<page-range>129-35</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Grooms]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
<name>
<surname><![CDATA[Bolin]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diagnosis of fetal loss caused by bovine viral diarrhea virus and Leptospira spp]]></article-title>
<source><![CDATA[Vet Clin North Am Food Anim Pract]]></source>
<year>2005</year>
<volume>21</volume>
<page-range>463-72</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lilenbaum]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Leptospirosis in cattle: A challenging scenerio for the understanding of the epidemiology]]></article-title>
<source><![CDATA[Transbound Emerg Dis]]></source>
<year>2014</year>
<volume>61</volume>
<numero>^sSup</numero>
<issue>^sSup</issue>
<supplement>Sup</supplement>
<page-range>63-8</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="">
<collab>Office International des Epizooties (OIE)</collab>
<source><![CDATA[Leptospirosis]]></source>
<year>2014</year>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peregrine]]></surname>
<given-names><![CDATA[AS]]></given-names>
</name>
<name>
<surname><![CDATA[Martin]]></surname>
<given-names><![CDATA[SW]]></given-names>
</name>
<name>
<surname><![CDATA[Hopwood]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Diffield]]></surname>
<given-names><![CDATA[TF]]></given-names>
</name>
<name>
<surname><![CDATA[McEwen]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Hobson]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Hietala]]></surname>
<given-names><![CDATA[SK]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Neospora caninum and Leptospira serovar serostatus in dairy cattle in Ontario]]></article-title>
<source><![CDATA[Can Vet J]]></source>
<year>2006</year>
<volume>47</volume>
<page-range>467-70</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pinto]]></surname>
<given-names><![CDATA[PS]]></given-names>
</name>
<name>
<surname><![CDATA[Loureiro]]></surname>
<given-names><![CDATA[AP]]></given-names>
</name>
<name>
<surname><![CDATA[Penna]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Lilenbaum]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Usage of Leptospira spp, local strains as antigens increases the sensitivity of the serodiagnosis of bovine leptospirosis]]></article-title>
<source><![CDATA[Acta Trop]]></source>
<year>2015</year>
<volume>149</volume>
<page-range>163-7</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Prescott]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[RB]]></given-names>
</name>
<name>
<surname><![CDATA[Nicholson]]></surname>
<given-names><![CDATA[VM]]></given-names>
</name>
<name>
<surname><![CDATA[Martin]]></surname>
<given-names><![CDATA[SW]]></given-names>
</name>
<name>
<surname><![CDATA[Lesnick]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Seroprevalence and association with abortion of leptospirosis in cattle in Ontario]]></article-title>
<source><![CDATA[Can J Vet Res]]></source>
<year>1988</year>
<volume>52</volume>
<page-range>210-5</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Radostitis]]></surname>
<given-names><![CDATA[MO]]></given-names>
</name>
<name>
<surname><![CDATA[Gay]]></surname>
<given-names><![CDATA[CC]]></given-names>
</name>
<name>
<surname><![CDATA[Hinchcliff]]></surname>
<given-names><![CDATA[KW]]></given-names>
</name>
<name>
<surname><![CDATA[Constable]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<source><![CDATA[Veterinary medicine]]></source>
<year>2007</year>
<edition>8</edition>
<publisher-loc><![CDATA[Philadelphia, USA ]]></publisher-loc>
<publisher-name><![CDATA[Saunders Elsevier]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rajeev]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Berghaus]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
<name>
<surname><![CDATA[Overton]]></surname>
<given-names><![CDATA[MW]]></given-names>
</name>
<name>
<surname><![CDATA[Pence]]></surname>
<given-names><![CDATA[ME]]></given-names>
</name>
<name>
<surname><![CDATA[Balwin]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of fluorescent antibody and microscopic agglutination testing for Leptospira in pregnant and nonpregnant cows]]></article-title>
<source><![CDATA[J Vet Diagn Invest]]></source>
<year>2010</year>
<volume>22</volume>
<page-range>51-4</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[NF]]></given-names>
</name>
<name>
<surname><![CDATA[Villar Argaiz]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández Silva]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Londoño Pino]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Chaparro Gutiérrez]]></surname>
<given-names><![CDATA[JJ]]></given-names>
</name>
<name>
<surname><![CDATA[Olivera Angel]]></surname>
<given-names><![CDATA[ME]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Seroprevalence and risk factors for several viral diseases in bovines from dairy herds in San Pedro de los Milagros Antioquia, Colombia]]></article-title>
<source><![CDATA[Rev CES Med Zootec]]></source>
<year>2016</year>
<volume>11</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>15-25</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Van de Weyer]]></surname>
<given-names><![CDATA[LM]]></given-names>
</name>
<name>
<surname><![CDATA[Hendrick]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Rosengren]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Waldner]]></surname>
<given-names><![CDATA[CL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Leptospirosis in beef herds from western Canada: Serum antibody titers and vaccination practices]]></article-title>
<source><![CDATA[Can Vet J]]></source>
<year>2011</year>
<volume>52</volume>
<page-range>619-26</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
