<?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>2448-6132</journal-id>
<journal-title><![CDATA[Abanico veterinario]]></journal-title>
<abbrev-journal-title><![CDATA[Abanico vet]]></abbrev-journal-title>
<issn>2448-6132</issn>
<publisher>
<publisher-name><![CDATA[Sergio Martínez González]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-61322021000100125</article-id>
<article-id pub-id-type="doi">10.21929/abavet2021.40</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Características de conformación asociadas a producción y composición de la leche de vacas Holstein]]></article-title>
<article-title xml:lang="en"><![CDATA[Conformation traits associated with production and milk composition of Holstein cows]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cortes-Hernández]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruíz-López]]></surname>
<given-names><![CDATA[Felipe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Ruiz]]></surname>
<given-names><![CDATA[Adriana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias  ]]></institution>
<addr-line><![CDATA[ Querétaro]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>11</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-61322021000100125&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-61322021000100125&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-61322021000100125&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Se evaluó la asociación entre los sistemas de conformación de tipo y la producción de leche (PL), grasa (PG) y proteína (PP) a través de la correlación entre las características de conformación (CC) y las predicciones de valores genéticos para leche (HTPL), grasa (HTPGK) y proteína (HTPPK) de ganado Holstein, para determinar en qué medida las CC influyen en la producción de los animales. El estudio incluyó 31,711 registros de CC, 87,871 de PL, 65,593 de PG y 43,717 de PP. Las CC se agruparon en cuatro sistemas generales: estructura y capacidad (SEC), patas y pezuñas (SP), ubre (SU) y anca (SA). También se evaluó el efecto de las clases de puntos finales (PF) en los niveles de PL, PG y PP a través de un análisis de varianza. La HTPL tuvo una correlación de 0.28 con SU, 0.17 con SA, 0.08 con SP y -0.05 con SEC (P&lt;0.001). Las correlaciones de HTPGK y HTPPK con los diferentes sistemas fueron bajas, destacando las encontradas con SU, 0.15 y 0.21 (P&lt;0.001), respectivamente. Las asociaciones fenotípicas y las correlaciones de los valores genéticos reportadas en este estudio sugieren que la selección de vacas por CC puede modificar la producción de leche, grasa y proteína.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT: The association between type conformation systems and milk (PL), fat (PG) and protein (PP) production was evaluated through the correlation between conformation traits (CC) and genetic value predictions for milk (HTPL), fat (HTPGK) and protein (HTPPK) of Holstein cattle, to determine the extent to which CC influence animal production. The study included 31,711 CC, 87,871 MP, 65,593 PG and 43,717 PP records. The CC were grouped into four general systems: structure and capacity (SEC), feet and hooves (SP), udder (SU) and haunch (SA). The effect of end point (FP) classes on MP, PG and PP levels was also evaluated through analysis of variance. HTPL had a correlation of 0.28 with SU, 0.17 with SA, 0.08 with SP and -0.05 with SEC (P&lt;0.001). The correlations of HTPGK and HTPPK with the different systems were low, highlighting those found with SU, 0.15 and 0.21 (P&lt;0.001), respectively. The phenotypic associations and correlations of genetic values reported in this study suggest that selection of cows by CC can modify milk, fat and protein production.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Asociación fenotípica]]></kwd>
<kwd lng="es"><![CDATA[Correlación entre valores genéticos]]></kwd>
<kwd lng="es"><![CDATA[características de conformación]]></kwd>
<kwd lng="es"><![CDATA[leche]]></kwd>
<kwd lng="es"><![CDATA[grasa]]></kwd>
<kwd lng="es"><![CDATA[proteína]]></kwd>
<kwd lng="en"><![CDATA[phenotypic association]]></kwd>
<kwd lng="en"><![CDATA[correlation between genetic values]]></kwd>
<kwd lng="en"><![CDATA[conformation traits]]></kwd>
<kwd lng="en"><![CDATA[milk]]></kwd>
<kwd lng="en"><![CDATA[fat]]></kwd>
<kwd lng="en"><![CDATA[protein]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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