<?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>S0120-06902019000100021</article-id>
<article-id pub-id-type="doi">10.17533/udea.rccp.v32n1a03</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Effects of genetic group, pregnancy and age on carcass traits, meat quality and fatty acid profile in female sheep]]></article-title>
<article-title xml:lang="es"><![CDATA[Efectos de grupo genético, preñez y edad sobre la canal, calidad de carne y perfil de ácidos grasos en ovejas]]></article-title>
<article-title xml:lang="pt"><![CDATA[Efeitos do grupo genético, da prenhes e da idade sobre as características da carcaça, qualidade da carne e perfil dos ácidos graxos em ovelhas]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Esteves]]></surname>
<given-names><![CDATA[Geisa IF]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peripolli]]></surname>
<given-names><![CDATA[Vanessa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Costa Jr]]></surname>
<given-names><![CDATA[João BG]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tanure]]></surname>
<given-names><![CDATA[Candice B]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Menezes]]></surname>
<given-names><![CDATA[Adriana M]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Souza]]></surname>
<given-names><![CDATA[Jurandir R]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kindlein]]></surname>
<given-names><![CDATA[Liris]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bergmann]]></surname>
<given-names><![CDATA[Guiomar P]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Louvandini]]></surname>
<given-names><![CDATA[Helder]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[McManus]]></surname>
<given-names><![CDATA[Concepta]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Federal Catarinense  ]]></institution>
<addr-line><![CDATA[Rio do Sul Santa Catarina]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Federal Catarinense  ]]></institution>
<addr-line><![CDATA[Araquari Santa Catarina]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Faculdade Patos de Minas  ]]></institution>
<addr-line><![CDATA[Patos de Minas Minas Gerais]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidade de Brasília Faculdade de Medicina Veterinária ]]></institution>
<addr-line><![CDATA[Brasília Distrito Federal]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidade de Brasília Instituto de Química ]]></institution>
<addr-line><![CDATA[Brasília Distrito Federal]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidade Federal do Rio Grande do Sul Faculdade de Medicina Veterinária ]]></institution>
<addr-line><![CDATA[Porto Alegre Rio Grande do Sul]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Universidade de São Paulo Centro de Energia Nuclear na Agricultura ]]></institution>
<addr-line><![CDATA[Piracicaba São Paulo]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af8">
<institution><![CDATA[,Universidade de Brasília Instituto de Biologia ]]></institution>
<addr-line><![CDATA[Brasília Distrito Federal]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<volume>32</volume>
<numero>1</numero>
<fpage>21</fpage>
<lpage>33</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-06902019000100021&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-06902019000100021&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-06902019000100021&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: Little information is available on carcass quality in nulliparous and primiparous ewes of different breeds and genetic groups.  Objective: To evaluate the effect of genetic group, pregnancy, age and their interactions on carcass traits, meat quality and fatty acid profile in sheep.  Methods: Eighty-five Santa Ines ewes and their crosses with Texel, Dorper and Ile de France, aged 12 month were bred with White Dorper rams to assess the influence of pregnancy on carcass composition and meat quality. After weaning, all ewes (nulliparous and primiparous) were fattened for slaughter at 21 months of age. A further 24 six to twenty one-month-old female lambs from the same genetic groups were included in the analysis to determine the fatty acid profile.  Results: Genetic group affected muscle and fat weight as well as the eye muscle length. Fat weight, muscle and fat ratios, subcutaneous fat thickness and cooking loss were affected by pregnancy with nulliparous females being fatter. Meat purpose breeds such as Dorper, Texel and Ile de France showed better meat quality compared to the Santa Ines hair breed. Of the 19 identified fatty acids, saturated were present in greater quantities, especially stearic and palmitic. Omega-6 content was influenced by age and pregnancy.  Conclusions: Younger and nulliparous females have better carcass quality in terms of fatty acid composition.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: Existe poca información sobre la calidad de la canal en ovejas jóvenes nulíparas y primíparas de diferentes razas y grupos genéticos.  Objetivo: Evaluar la influencia del grupo genético, de la preñez, de la edad y sus interacciones sobre la composición de la canal, calidad de la carne y perfil de ácidos grasos en la carne de ovejas.  Métodos: Ochenta y cinco ovejas de 12 meses de edad de raza Santa Inés y sus cruces con Texel, Dorper y Ile de France fueron cruzadas con carneros White Dorper para evaluar la influencia de la gestación sobre la composición de la canal y la calidad de la carne. Después del destete, todas las ovejas (nulíparas y primíparas) fueron engordadas y sacrificadas a los 21 meses de edad. Otras 24 ovejas de seis a veintiún meses de edad del mismo grupo genético fueron incluidas en el análisis para determinar el perfil de ácidos grasos.  Resultado s: El grupo genético afectó el peso del músculo y de la grasa, como también la longitud del ojo del músculo. El peso de la grasa, porcentajes de músculo y grasa, el grosor de la grasa subcutánea y las perdidas por cocción fueron afectadas por la preñez, siendo más gordas las hembras nulíparas. Los grupos genéticos especializados en producir carne como Dorper, Texel e Ile de France mostraron mejor calidad de carne comparado con la raza Santa Inés. De los 19 ácidos grasos identificados, los saturados estaban presentes en mayores cantidades, especialmente esteárico y palmítico. Los contenidos de Omega-6 fueron influenciados por la edad y la preñez.  Conclusiones: Las ovejas más jóvenes y nulíparas tienen mejor calidad de carcasa en términos de composición de ácidos grasos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Antecedentes: Existe pouca informação sobre a qualidade da carcaça em ovelhas jovens nulíparas e primíparas de diferentes raças e grupos genéticos.  Objetivo: Avaliar a influência do grupo genético, da prenhes, da idade e suas interações sobre as características da carcaça, qualidade da carne e perfil de ácidos graxos na carne de ovelhas.  Métodos: Oitenta e cinco ovelhas Santa Inês e suas cruzas com Texel, Dorper e Ile de France com 12 meses de idade foram cruzadas com carneiros White Dorper para avaliar a influência da prenhes sobre a composição da carcaça e a qualidade da carne. Após o desmame, todas as ovelhas (nulíparas e primíparas) foram engordadas para serem abatidas aos 21 meses de idade. Mais 24 ovelhas com idade variando entre seis a vinte e um meses do mesmo grupo genético foram incluídas na análise para determinar o perfil de ácidos graxos.  Resultados: O grupo genético influenciou os pesos do musculo e da gordura bem como o comprimento da área de olho de lombo. O peso da gordura, a relação músculo e gordura, a espessura de gordura subcutânea e as perdas por cocção foram influenciadas pela prenhes, sendo as fêmeas nulíparas as mais gordas. Os grupos genéticos especializados em produção de carne como o Dorper, o Texel e o Ile de France apresentaram melhor qualidade de carne comparado a raça Santa Inês. Dos 19 ácidos graxos identificados, os presentes em maiores quantidades foram os saturados, principalmente o esteárico e o palmítico. O Conteúdo de ômega 6 foi influenciado pela idade e pela prenhes.  Conclusões: As fêmeas jovens e nulíparas apresentam melhor qualidade de carcaça em termos de composição de ácidos graxos.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[commercial cuts]]></kwd>
<kwd lng="en"><![CDATA[fat content]]></kwd>
<kwd lng="en"><![CDATA[meat breeds]]></kwd>
<kwd lng="en"><![CDATA[ovines]]></kwd>
<kwd lng="en"><![CDATA[Santa Ines]]></kwd>
<kwd lng="en"><![CDATA[slaughter age]]></kwd>
<kwd lng="es"><![CDATA[contenido de grasa]]></kwd>
<kwd lng="es"><![CDATA[cortes comerciales]]></kwd>
<kwd lng="es"><![CDATA[edad de sacrificio]]></kwd>
<kwd lng="es"><![CDATA[ovinos]]></kwd>
<kwd lng="es"><![CDATA[razas de carne]]></kwd>
<kwd lng="es"><![CDATA[Santa Inés]]></kwd>
<kwd lng="pt"><![CDATA[conteúdo de gordura]]></kwd>
<kwd lng="pt"><![CDATA[cortes comerciais]]></kwd>
<kwd lng="pt"><![CDATA[idade de abate]]></kwd>
<kwd lng="pt"><![CDATA[ovinos]]></kwd>
<kwd lng="pt"><![CDATA[raças de corte]]></kwd>
<kwd lng="pt"><![CDATA[Santa Inês]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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