<?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>S2079-34802023000100009</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Phytobiotic effect of mixed powder of medicinal plants on productivity and egg quality of laying hens]]></article-title>
<article-title xml:lang="es"><![CDATA[Efecto fitobiótico del polvo mixto de plantas medicinales en la productividad y calidad del huevo de gallinas ponedoras]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aroche]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Donatién]]></surname>
<given-names><![CDATA[Dalilis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Granma Facultad de Ciencias Agropecuarias Centro de Estudios de Produccio&#769;n Animal]]></institution>
<addr-line><![CDATA[Bayamo Granma]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Granma Facultad de Ciencias Agropecuarias Departamento de Zootecnia]]></institution>
<addr-line><![CDATA[Bayamo Granma]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Fondwa Facultad de Medicina Veterinaria ]]></institution>
<addr-line><![CDATA[ Leogane]]></addr-line>
<country>Haití</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>57</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2079-34802023000100009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2079-34802023000100009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2079-34802023000100009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[To evaluate the phytobiotic effect of the mixed powder of medicinal plants on the productivity and egg quality of laying hens, 120 White Leghorn birds (Hybrid L-33), 27 weeks old, were used. For 10 weeks, the animals were placed according to a completely randomized design with three treatments, 10 repetitions per treatment and four birds per repetition. The experimental treatments consisted of a basal diet (T1) and the addition of 0.5 (T2) and 1.0 % (T3) of the mixed powder of leaves of medicinal plants (40 % of Anacardium occidentale, 20 % of Psidium guajava, 20 % of Moringa oleifera and 20 % of Morinda citrifolia). T3 improved (P&lt;0.05) laying intensity (80.18 to 85.53 %) and mass conversion (2.73 to 2.52) and reduced (P&lt;0.05) the percentage of cracked eggs (0.22 to 0.08 %) in relation to the other experimental groups. However, diets did not change (P&gt;0.05) the body weight of hens, egg weight, feed intake and broken, shell-less and dirty eggs, as well as external (shape index, weight, thickness, and surface area of the shell) and internal (albumen and yolk height, Haugh units and yolk color) quality of the egg of laying hens. Dietary addition of 1.0 % of mixed powder of medicinal plants (40 % A. occidentale, 20 % P. guajava, 20 % M. oleifera and 20 % M. citrifolia) is recommended to improve productive efficiency and reduce cracked eggs from laying hens.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Para evaluar el efecto fitobiótico del polvo mixto de plantas medicinales en la productividad y calidad de huevo de gallinas ponedoras, se utilizaron 120 aves White Leghorn (Híbrido L-33), de 27 semanas de edad. Durante 10 semanas, las aves se ubicaron según diseño totalmente aleatorizado con tres tratamientos, 10 repeticiones por tratamiento y cuatro aves por repetición. Los tratamientos experimentales consistieron en una dieta basal (T1) y la adición de 0.5 (T2) y 1.0 % (T3) del polvo mixto de hojas de plantas medicinales (40 % de Anacardium occidentale, 20 % de Psidium guajava, 20 % de Moringa oleifera y 20 % de Morinda citrifolia). El T3 mejoró (P&lt;0.05) la intensidad de puesta (80.18 a 85.53 %) y la conversión masal (2.73 a 2.52) y redujo (P&lt;0.05) el porcentaje de huevos cascados (0.22 a 0.08 %) con relación a los otros grupos experimentales. Sin embargo, las dietas no cambiaron (P &gt; 0.05) el peso vivo de las gallinas, peso del huevo, consumo de alimento y los huevos rotos, fárfara y sucios, así como la calidad externa (índice de forma, peso, grosor y superficie de la cáscara) e interna (altura de la yema y albumen, unidades Haugh y color de la yema) del huevo de gallinas ponedoras. Se recomienda la adición dietética de 1.0 % del polvo mixto de plantas medicinales (40 % de A. occidentale, 20 % de P. guajava, 20 % de M. oleifera y 20 % de M. citrifolia) para mejorar la eficiencia productiva y reducir los huevos cascados de gallinas ponedoras.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[laying hen]]></kwd>
<kwd lng="en"><![CDATA[medicinal powder]]></kwd>
<kwd lng="en"><![CDATA[productive efficiency]]></kwd>
<kwd lng="en"><![CDATA[final product]]></kwd>
<kwd lng="es"><![CDATA[ave de postura]]></kwd>
<kwd lng="es"><![CDATA[polvo medicinal]]></kwd>
<kwd lng="es"><![CDATA[eficiencia productiva]]></kwd>
<kwd lng="es"><![CDATA[producto final]]></kwd>
</kwd-group>
</article-meta>
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