<?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>0864-0394</journal-id>
<journal-title><![CDATA[Pastos y Forrajes]]></journal-title>
<abbrev-journal-title><![CDATA[Pastos y Forrajes]]></abbrev-journal-title>
<issn>0864-0394</issn>
<publisher>
<publisher-name><![CDATA[Estación Experimental de Pastos y Forrajes Indio Hatuey]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0864-03942020000100050</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Variación en la resistencia fenotípica a parásitos gastrointestinales en un rebaño de cabras]]></article-title>
<article-title xml:lang="en"><![CDATA[Variation in the phenotypic resistance to gastrointestinal parasites in a goat flock]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carballo-Silverio]]></surname>
<given-names><![CDATA[Leticia de la Caridad]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arece-García]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Leyva]]></surname>
<given-names><![CDATA[Yoel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Luck-Montero]]></surname>
<given-names><![CDATA[Ramón]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Ministerio de Educación Superior Universidad de Matanzas Estación Experimental de Pastos y Forrajes Indio Hatuey]]></institution>
<addr-line><![CDATA[Matanzas ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto de Investigación Agropecuaria de Panamá  ]]></institution>
<addr-line><![CDATA[Ciudad del Saber ]]></addr-line>
<country>Panamá</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<volume>43</volume>
<numero>1</numero>
<fpage>50</fpage>
<lpage>55</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-03942020000100050&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-03942020000100050&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-03942020000100050&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo Evaluar la segregación fenotípica contra nematodos gastrointestinales a partir del conteo fecal de huevos en cabras lecheras del municipio Martí, en la provincia de Matanzas, Cuba.  Materiales y Métodos  El estudio se realizó en un rebaño caprino lechero en el municipio Martí, de la provincia de Matanzas, Cuba, de mayo a diciembre de 2017. Se tomaron muestras fecales individuales para la determinación del conteo fecal de huevos y se registró mensualmente la condición corporal de 52 reproductoras. Se establecieron cuartiles (Q), según el conteo fecal de huevos por mes. Se clasificaron como altos eliminadores, los animales que en 60 % de los muestreos estuvieron en el Q4; fueron bajos eliminadores los que en 60 % estuvieron en el Q1 y 40 % en los cuartiles intermedios, pero con conteo fecal de huevos que nunca fue superior a 1,500 huevos por gramo; la categoría de eliminadores intermedios correspondió a los animales que se hallaron en los intercuartiles Q2 y Q3.  Resultados Se segregaron las cabras en tres grupos: cuatro clasificadas como bajas eliminadoras, 42 como intermedias, y seis como altas, con promedios de huevos en los conteos fecales de 485,9; 1 498,2 y 1 895,8 para cada grupo, respectivamente. La moda de la condición corporal en cada grupo no mostró diferencias (3).  Conclusiones La segregación de las cabras mediante el conteo fecal de huevo permitió la identificación de la variabilidad fenotípica existente entre los animales en la susceptibilidad al parasitismo gastrointestinal. De este modo, se crean las bases para la evaluación, en un futuro, de un programa de mejoramiento genético mediante selección, para animales resistentes al parasitismo gastrointestinal.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective To evaluate the phenotypic segregation against gastrointestinal nematodes from the fecal egg count in dairy goats of the Martí municipality, in Matanzas province, Cuba.  Materials and Methods The study was conducted in a dairy goat flock in the Marti municipality, of Matanzas province, Cuba, from May to December, 2017. Individual fecal samples were taken for determining the fecal egg count and the body condition of 52 does was monthly recorded. Quartiles (Q) were established, according to the fecal egg count per month. The animals that in 60 % of the samplings were in Q4, were classified as high eliminators; the animals that in 60 % were in Q1 and 40 % in the intermediate quartiles were low eliminators, but with fecal egg count which was never higher than 1,500 eggs per gram; the category of intermediate eliminators corresponded to the animals that were found in the interquartiles Q2 and Q3.  Results The goats were segregated in three groups: four classified as low eliminators, 42 as intermediate, and six as high, with egg averages in the fecal counts of 485,9; 1 498,2 and 1 895,8 for each group, respectively. The mode of the body condition in each group did not show differences (3).  Conclusions The segregation of goats through fecal egg count allowed the identification of the existing phenotypic variability among the animals in the susceptibility to gastrointestinal parasitism. Thus, the bases are created for the evaluation, in the future, of a breeding program through selection, for gastrointestinal parasitism-resistant animals.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[cabras]]></kwd>
<kwd lng="es"><![CDATA[segregación fenotípica]]></kwd>
<kwd lng="es"><![CDATA[nematodos gastrointestinales]]></kwd>
<kwd lng="es"><![CDATA[resistencia genética]]></kwd>
<kwd lng="en"><![CDATA[goats]]></kwd>
<kwd lng="en"><![CDATA[phenotypic segregation]]></kwd>
<kwd lng="en"><![CDATA[gastrointestinal nematodes]]></kwd>
</kwd-group>
</article-meta>
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