<?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>S0120-06902025000200003</article-id>
<article-id pub-id-type="doi">10.17533/udea.rccp.v38n2a8</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Effect of feeding carrot flour on performance and profitability of broilers]]></article-title>
<article-title xml:lang="es"><![CDATA[Efecto de la alimentación con harina de zanahoria sobre el rendimiento y rentabilidad de los pollos de engorde]]></article-title>
<article-title xml:lang="pt"><![CDATA[Efeito da alimentação com farinha de cenoura no desempenho e lucratividade de frangos de corte]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jácome-Gómez]]></surname>
<given-names><![CDATA[Janeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Loor-Moreira]]></surname>
<given-names><![CDATA[Gina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chicaiza]]></surname>
<given-names><![CDATA[Marco De-la-Cruz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Intriago-Vera]]></surname>
<given-names><![CDATA[Janeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espinoza-Zambrano]]></surname>
<given-names><![CDATA[Jeniffer]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zambrano-Rivera]]></surname>
<given-names><![CDATA[Milton]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Laica Eloy Alfaro de Manabí Facultad de Ingeniería Agropecuaria ]]></institution>
<addr-line><![CDATA[El Carmen ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Laica Eloy Alfaro de Manabí Facultad de Ingeniería Agropecuaria ]]></institution>
<addr-line><![CDATA[Manta ]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<volume>38</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-06902025000200003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-06902025000200003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-06902025000200003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background:  The quality of chicken meat, essential for consumer satisfaction, is influenced by skin pigmentation. The lack of carotenoids in conventional diets has driven the search for cost-effective alternatives to enhance these aspects in poultry production.  Objective:  This study assessed the impact of partially replacing commercial balanced feed with different levels of carrot flour (Daucus carota subsp. sativus) on productive parameters and the pigmentation of broiler chickens.  Methods:  Sixty-four Cobb 500 birds were randomly assigned to four experimental diets, each with eight replicates of two birds. The control group (T0) received a standard diet, while the experimental groups received a diet with 10% (T1), 15% (T2), and 20% (T3) replacement with carrot flour (CF). Variables such as feed consumption, weight gain, feed conversion, mortality, skin pigmentation, and profitability were evaluated.  Results:  Treatments with 15% and 20% CF resulted in significantly higher feed consumption (p &lt; 0.05) compared to the control group. Although weight gain did not show significant differences between groups (p &gt; 0.05), a trend towards higher gains was observed in the experimental groups. The feed conversion ratio increased non-significantly (p &gt; 0.05) with higher CF concentrations. No mortality was observed in the experimental groups, whereas the control group had a mortality rate of 12.5%. Regarding pigmentation, CF influenced skin color as its concentration in the diet increased. In terms of profitability, the 15% replacement treatment stood out by generating higher income and a superior cost-benefit ratio.  Conclusion:  Orange cultivar CF can be a viable dietary source of natural pigment for broiler chickens. It may also be beneficial in promoting weight gain and reducing mortality, translating into economic advantages.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes:  La calidad de la carne de pollo, esencial para la satisfacción del consumidor, se ve influida por la pigmentación de la piel. La falta de carotenoides en las dietas convencionales ha impulsado la búsqueda de alternativas rentables para mejorar estos aspectos en la producción avícola.  Objetivo:  Este estudio evaluó el efecto de la sustitución parcial del alimento balanceado comercial con diferentes niveles de harina de zanahoria (Daucus carota subsp. sativus) sobre los parámetros productivos y la pigmentación de los pollos de engorde.  Métodos:  Sesenta y cuatro aves Cobb 500 fueron asignadas aleatoriamente a cuatro dietas experimentales, con ocho repeticiones de dos aves cada una. El grupo control (T0) recibió una dieta estándar, mientras que los grupos experimentales recibieron una dieta con 10% (T1), 15% (T2) y 20% (T3) de reemplazo del alimento balanceado por harina de zanahoria (HZ). Se evaluaron las variables consumo de alimento, ganancia de peso, conversión alimenticia, mortalidad, pigmentación de la piel y rentabilidad.  Resultados:  Los tratamientos con 15% y 20% de HZ resultaron en un consumo de alimento significativamente mayor (p &lt; 0.05) en comparación con el grupo control. Aunque la ganancia de peso no mostró diferencias significativas entre los grupos (p &gt; 0.05), se observó una tendencia hacia mayores ganancias en los grupos con HZ. El índice de conversión alimenticia mostró un incremento no significativo (p &gt; 0.05) con mayores concentraciones de HZ. Ninguno de los grupos experimentales presentó mortalidad, mientras que el grupo control tuvo una tasa de mortalidad del 12.5%. En cuanto a la pigmentación, la HZ influyó en la coloración de la piel a medida que aumentaba su concentración en la dieta. En relación con la rentabilidad, destacó el tratamiento con el 15% de reemplazo, que generó mayores ingresos y un índice superior de beneficio/costo.  Conclusión:  La HZ del cultivar anaranjado puede ser una fuente dietética viable de pigmento natural para pollos de engorde. Además, puede favorecer la ganancia de peso y reducir la mortalidad, lo que se traduce en beneficios económicos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Antecedentes:  A qualidade da carne de frango, essencial para a satisfação do consumidor, é influenciada pela pigmentação da pele. A falta de carotenoides nas dietas convencionais tem impulsionado a busca por alternativas rentáveis para aprimorar esses aspectos na produção avícola.  Objetivo:  Este estudo avaliou o efeito da substituição parcial da ração comercial por diferentes níveis de farinha de cenoura (Daucus carota subsp. sativus) sobre os parâmetros produtivos e a pigmentação de frangos de corte.  Métodos:  Sessenta e quatro aves da linhagem Cobb 500 foram aleatoriamente designadas a quatro dietas experimentais, com oito réplicas de duas aves cada. O grupo controle (T0) recebeu uma dieta padrão, e os grupos experimentais receberam uma dieta com 10% (T1), 15% (T2) e 20% (T3) de substituição da ração por farinha de cenoura (FC). Foram avaliadas as variáveis consumo de ração, ganho de peso, conversão alimentar, mortalidade, pigmentação da pele e rentabilidade.  Resultados:  Os tratamentos com 15% e 20% de FC resultaram em um consumo de ração significativamente maior (p &lt; 0,05) em comparação com o grupo controle. Embora o ganho de peso não tenha mostrado diferenças significativas entre os grupos (p &gt; 0,05), observou-se uma tendência de maiores ganhos nos grupos experimentais. O índice de conversão alimentar aumentou de forma não significativa (p &gt; 0,05) com concentrações mais altas de FC. Nenhum dos grupos experimentais apresentou mortalidade, enquanto o grupo controle teve uma taxa de mortalidade de 12,5%. Quanto à pigmentação, a FC influenciou a coloração da pele conforme aumentava sua concentração na dieta. Em relação à rentabilidade, o tratamento com 15% de substituição destacou-se ao gerar maiores receitas e uma relação benefício/custo superior.  Conclusão:  A FC do cultivar alaranjado pode ser uma fonte dietética viável de pigmento natural para frangos de corte. Além disso, pode favorecer o ganho de peso e reduzir a mortalidade, resultando em benefícios econômicos.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Carotenoids]]></kwd>
<kwd lng="en"><![CDATA[carrot]]></kwd>
<kwd lng="en"><![CDATA[chicken feed]]></kwd>
<kwd lng="en"><![CDATA[meat quality]]></kwd>
<kwd lng="en"><![CDATA[natural pigment]]></kwd>
<kwd lng="en"><![CDATA[profitability]]></kwd>
<kwd lng="en"><![CDATA[skin color]]></kwd>
<kwd lng="en"><![CDATA[yellow-skinned chicken.]]></kwd>
<kwd lng="es"><![CDATA[Alimento para pollos]]></kwd>
<kwd lng="es"><![CDATA[calidad de la carne]]></kwd>
<kwd lng="es"><![CDATA[carotenoides]]></kwd>
<kwd lng="es"><![CDATA[color de piel]]></kwd>
<kwd lng="es"><![CDATA[pigmento natural]]></kwd>
<kwd lng="es"><![CDATA[pollo de piel amarilla]]></kwd>
<kwd lng="es"><![CDATA[zanahoria]]></kwd>
<kwd lng="es"><![CDATA[rentabilidad]]></kwd>
<kwd lng="pt"><![CDATA[carotenoides]]></kwd>
<kwd lng="pt"><![CDATA[cenoura]]></kwd>
<kwd lng="pt"><![CDATA[cor da pele]]></kwd>
<kwd lng="pt"><![CDATA[frango de pele amarela]]></kwd>
<kwd lng="pt"><![CDATA[lucratividade]]></kwd>
<kwd lng="pt"><![CDATA[pigmento natural]]></kwd>
<kwd lng="pt"><![CDATA[qualidade da carne]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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