<?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>2079-3480</journal-id>
<journal-title><![CDATA[Cuban Journal of Agricultural Science]]></journal-title>
<abbrev-journal-title><![CDATA[Cuban J. Agric. Sci.]]></abbrev-journal-title>
<issn>2079-3480</issn>
<publisher>
<publisher-name><![CDATA[Editorial del Instituto de Ciencia Animal]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2079-34802019000100059</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Meal of cassava (Manihot esculenta crantz) leaves in diets for naked neck broilers (Gen Nana)]]></article-title>
<article-title xml:lang="es"><![CDATA[Harina de hojas de yuca (Manihot esculenta crantz) en dieta para pollos cuello desnudo (Gen Nana)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herrera]]></surname>
<given-names><![CDATA[Magdalena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Solís]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Godoy]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Benitez]]></surname>
<given-names><![CDATA[Mileisys]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Técnica Estatal, Ecuador Facultad de Ciencias Pecuarias ]]></institution>
<addr-line><![CDATA[Quevedo Los Ríos]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Pinar del Río  ]]></institution>
<addr-line><![CDATA[ Pinar del Río]]></addr-line>
<country>Cuba</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>53</volume>
<numero>1</numero>
<fpage>59</fpage>
<lpage>64</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2079-34802019000100059&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2079-34802019000100059&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2079-34802019000100059&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In order to know the productive performance of chickens (Gen Nana) that consumed cassava leaves, variety Verdecita MCOL 1505, included in the diet, 96 birds were used without sexing, from 28 to 90 d of age. In a random block design, they were distributed in three experimental treatments (6, 9 and 12 %) and one control (maize and soybean base diet), 24 birds per treatment, six replications of four birds each. The experimental treatments were similar among them and different from the control (P &lt;0.05). They presented lower intake without affecting food conversion. The birds that consumed 9 and 12 % of cassava leaves had higher carcass yield (90 and 89.5 %), legs weight (642 and 582 g), less fat (45 g) and greater profitability (27 and 26 %). The results suggest that with 9 and 12 % of cassava leaves the productive performance and profitability are improved.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Para conocer el comportamiento productivo de pollos (Gen Nana) que consumieron hojas de yuca, variedad Verdecita MCOL 1505, incluida en la dieta, se utilizaron 96 aves sin sexar, de 28 a 90 d de edad. En un diseño de bloques al azar, se distribuyeron en tres tratamientos experimentales (6, 9 y 12 %) y un control (dieta base de maíz y soya), 24 aves por tratamiento, seis réplicas de cuatro aves cada una. Los tratamientos experimentales fueron similares entre ellos y diferentes al control (P&lt;0.05). Presentaron menor consumo sin afectar la conversión alimentaria. Las aves que consumieron 9 y 12 % de hojas de yuca tuvieron mayor rendimiento de canal (90 y 89.5 %), peso de muslos + encuentros (642 y 582 g), menos grasa (45 g) y mayor rentabilidad (27 y 26 %) Los resultados sugieren que con 9 y 12 % de hojas de yuca se mejora el comportamiento productivo y la rentabilidad.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[treatments]]></kwd>
<kwd lng="en"><![CDATA[variety]]></kwd>
<kwd lng="en"><![CDATA[fat]]></kwd>
<kwd lng="en"><![CDATA[productive performance]]></kwd>
<kwd lng="en"><![CDATA[profitability]]></kwd>
<kwd lng="es"><![CDATA[tratamientos]]></kwd>
<kwd lng="es"><![CDATA[variedad]]></kwd>
<kwd lng="es"><![CDATA[grasa]]></kwd>
<kwd lng="es"><![CDATA[comportamiento productivo]]></kwd>
<kwd lng="es"><![CDATA[rentabilidad]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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