<?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>2027-4297</journal-id>
<journal-title><![CDATA[Revista colombiana de ciencia animal recia]]></journal-title>
<abbrev-journal-title><![CDATA[rev. colombiana cienc. anim. Recia]]></abbrev-journal-title>
<issn>2027-4297</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Sucre, Facultad de Ciencias Agropecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2027-42972022000100005</article-id>
<article-id pub-id-type="doi">10.24188/recia.v14.n1.2022.895</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Rainfall variability affects the chemical composition, gas production and degradability of cacti]]></article-title>
<article-title xml:lang="es"><![CDATA[Variabilidad de la precipitacion afecta la composición química, producción de gas y degradabilidad de los cactus]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ribeiro Menezes]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muniz dos Santos]]></surname>
<given-names><![CDATA[Juliana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nunes de Oliveira]]></surname>
<given-names><![CDATA[Cintia Raquel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodrigues Marcelino]]></surname>
<given-names><![CDATA[Polyana Deyse]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[da Mata Araújo Pinheiro]]></surname>
<given-names><![CDATA[Anna Paula]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Queiroz de Carvalho]]></surname>
<given-names><![CDATA[Dalinne Tamara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva Nascimento]]></surname>
<given-names><![CDATA[Júlio Cesar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Costa Gois]]></surname>
<given-names><![CDATA[Glayciane]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vinhas Voltolini]]></surname>
<given-names><![CDATA[Tadeu]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ávila Queiroz]]></surname>
<given-names><![CDATA[Mario Adriano]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Federal do Vale do São Francisco Campus de Ciências Agrárias ]]></institution>
<addr-line><![CDATA[Petrolina PE]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade Federal da Bahia Escola de Medicina Veterinária e Zootecnia ]]></institution>
<addr-line><![CDATA[Salvador BA]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Empresa Brasileira de Pesquisa Agropecuária Embrapa Semiárido ]]></institution>
<addr-line><![CDATA[Petrolina PE]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>14</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S2027-42972022000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S2027-42972022000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S2027-42972022000100005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Objective. The objective was to evaluate the effect of rainfall variability on the chemical composition, in vitro degradability and gas production of cacti in Semiarid region.  Materials and methods. A completely randomized experimental design in a factorial arrangement of 2 rainfall periods (high and low rainfall) x 5 cactus species, with 5 replications was adopted. Cacti evaluated were Pilosocereus gounellei (Weber ex K. Schum). Bly ex Rowl, Cereus jamacaru DC., Opuntia ficus indica Mill, Nopalea cochenillifera Salm. Dyckand Opuntia stricta (Haw.) Haw, all fresh.  Results. There was an interaction between rainfall variation and cactus species for dry matter, crude protein, neutral detergent fiber and acid detergent fiber (p&lt;0.05), in vitro gas production (p&lt;0.05) and for in vitro dry matter degradability (p&lt;0.05). Among cacti, Pilosocereus gounellei presented a lower proportion of organic matter and an increase in the content of mineral matter in relation to the other cacti (p&lt;0.05).  Conclusions. The chemical composition, the gas production coefficients and the in vitro degradability were influenced by the cacti species and by the rainfall variation. Cacti species increase the dry matter, crude protein and neutral detergent fiber contents during the low rainfall. Varieties of cactus pear (Opuntia and Nopalea) stood out among the cacti tested in relation to gas production and in vitro degradability.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Objetivo. El objetivo fue evaluar el efecto de la variabilidad de las lluvias sobre la composición química, la degradabilidad in vitro y la producción de gas de cactus en la región Semiárida.  Materiales y métodos. Este fue un diseño experimental completamente al azar en un arreglo factorial de 2 períodos de lluvia (lluvia alta y baja) x 5 especies de cactus, con 5 repeticiones. Los cactus evaluados fueron Pilosocereus gounellei (Weber ex K. Schum). Bly ex Rowl, Cereus jamacaru DC., Opuntia ficus indica Mill, Nopalea cochenillifera Salm. Dyck y Opuntia stricta (Haw.) Haw, todas frescas.  Resultados. Hubo una interacción entre la variación de la lluvia y las especies de cactus para materia seca, proteína cruda, fibra detergente neutra y fibra detergente ácido (p&lt;0.05), producción de gas in vitro (p&lt;0.05) y para la degradabilidad in vitro de materia seca (p&lt;0.05). Entre los cactus, Pilosocereus gounellei presentó una menor proporción de materia orgánica y un aumento en el contenido de materia mineral en relación a los demás cactus (p&lt;0.05).  Conclusiones. La composición química, los coeficientes de producción de gas y la degradabilidad in vitro fueron influenciados por las especies de cactus y por la variación de las precipitaciones. Las especies de cactus aumentan el contenido de materia seca, proteína cruda y fibra de detergente neutro durante la escasez de precipitaciones. Las variedades de nopal (Opuntia y Nopalea) se destacaron entre los cactus ensayados en relación a la producción de gas y la degradabilidad in vitro.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Cactaceae]]></kwd>
<kwd lng="en"><![CDATA[crassulacean acid metabolism]]></kwd>
<kwd lng="en"><![CDATA[dryland]]></kwd>
<kwd lng="en"><![CDATA[dry matter]]></kwd>
<kwd lng="en"><![CDATA[food shortage]]></kwd>
<kwd lng="en"><![CDATA[neutral detergent fiber (Source: CAB)]]></kwd>
<kwd lng="es"><![CDATA[Cactaceae]]></kwd>
<kwd lng="es"><![CDATA[escasez de alimentos]]></kwd>
<kwd lng="es"><![CDATA[fibra detergente neutra]]></kwd>
<kwd lng="es"><![CDATA[materia seca]]></kwd>
<kwd lng="es"><![CDATA[metabolismo del ácido crasuláceo]]></kwd>
<kwd lng="es"><![CDATA[regiones de tierras secas (Fuente CAB)]]></kwd>
</kwd-group>
</article-meta>
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