<?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>S2007-11242021000300710</article-id>
<article-id pub-id-type="doi">10.22319/rmcp.v12i3.5469</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Detection of Pasteurella multocida, Mannhemia haemolytica, Histophilus somni and Mycoplasma bovis in cattle lung]]></article-title>
<article-title xml:lang="es"><![CDATA[Detección de Pasteurella multocida, Mannhemia haemolytica, Histophilus somni y Mycoplasma bovis en pulmón de bovinos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cengiz]]></surname>
<given-names><![CDATA[Seyda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cemal Ad&#305;güzel]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dinç]]></surname>
<given-names><![CDATA[Gökçen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Atatürk University Faculty of Veterinary Medicine Department of Microbiology]]></institution>
<addr-line><![CDATA[Erzurum ]]></addr-line>
<country>Turkey</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Erciyes University Faculty of Medicine Department of Microbiology Kayseri]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Turkey</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>12</volume>
<numero>3</numero>
<fpage>710</fpage>
<lpage>720</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11242021000300710&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11242021000300710&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11242021000300710&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In this study, it was aimed to determine of P. multocida, M. haemolytica, H. somni and M. bovis in macroscopically healthy cattle lungs by PCR. The study was carried out on 82 macroscopically healthy cattle lung. DNA extraction was performed to the lung samples. PCR was then performed using all specific primers. By molecular evaluation, positive results were achieved for P. multocida, M. haemolytica, H. somni and M. bovis in 4 (4.8 %), 4 (4.8 %), 6 (7.3 %) and 3 (3.6 %) of the samples, respectively. Mix infections were detected in five samples. Of the samples, two were positive for both P. multocida and M. haemolytica, two were positive for both M. haemolytica and H. somni and one was positive for both P. multocida and H. somni. However, a positive sample, which carried all of pathogens, was not detected. In conclusion, P. multocida, M. haemolytica, H. somni and M. bovis are the important opportunistic pathogens of respiratory tract in cattle and these pathogens have a major role during infections. But multifactorial nature of bovine respiratory disease and immune system affected the formation of the disease. Hence, firstly cattle&#8217;s immunity should be strengthened and other conditions should be kept under control.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este estudio se tuvo como objetivo determinar P. multocida, M. haemolytica, H. somni y M. bovis en pulmones de bovinos macroscópicamente sanos mediante PCR. El estudio se llevó a cabo en 82 pulmones de bovinos macroscópicamente sanos. Se realizó la extracción de ADN de las muestras pulmonares. Después, se realizó la PCR utilizando todos los cebadores específicos. Mediante evaluación molecular, se lograron resultados positivos para P. multocida, M. haemolytica, H. somni y M. bovis en 4 (4.8 %), 4 (4.8 %), 6 (7.3 %) y 3 (3.6 %) de las muestras, respectivamente. Se detectaron infecciones mixtas en cinco muestras. De las muestras, dos fueron positivas tanto para P. multocida como para M. haemolytica, dos fueron positivas tanto para M. haemolytica como para H. somni y una fue positiva tanto para P. multocida como para H. somni. Sin embargo, no se detectó una muestra positiva que transportara todos los patógenos. En conclusión, P. multocida, M. haemolytica, H. somni y M. bovis son los patógenos oportunistas importantes del tracto respiratorio en bovinos y estos patógenos tienen un papel importante durante las infecciones. Pero la naturaleza multifactorial de la enfermedad respiratoria bovina y el sistema inmunológico afectaron la formación de la enfermedad. Por lo tanto, en primer lugar, se debe fortalecer la inmunidad de los bovinos y se deben mantener bajo control otras condiciones.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Cattle]]></kwd>
<kwd lng="en"><![CDATA[Molecular analysis]]></kwd>
<kwd lng="en"><![CDATA[Lung]]></kwd>
<kwd lng="en"><![CDATA[Respiratory disease]]></kwd>
<kwd lng="es"><![CDATA[Bovinos]]></kwd>
<kwd lng="es"><![CDATA[Análisis molecular]]></kwd>
<kwd lng="es"><![CDATA[Pulmón]]></kwd>
<kwd lng="es"><![CDATA[Enfermedades respiratorias]]></kwd>
</kwd-group>
</article-meta>
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