<?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>1405-3195</journal-id>
<journal-title><![CDATA[Agrociencia]]></journal-title>
<abbrev-journal-title><![CDATA[Agrociencia]]></abbrev-journal-title>
<issn>1405-3195</issn>
<publisher>
<publisher-name><![CDATA[Colegio de Postgraduados]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-31952016000400471</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Caracterización de bioles de la fermentación anaeróbica de excretas bovinas y porcinas]]></article-title>
<article-title xml:lang="en"><![CDATA[Characterization of bioles from the anaerobic fermentation of cattle and swine excreta]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cano-Hernández]]></surname>
<given-names><![CDATA[Maribel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bennet-Eaton]]></surname>
<given-names><![CDATA[Alex]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva-Guerrero]]></surname>
<given-names><![CDATA[Erika]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Robles-González]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sainos-Aguirre]]></surname>
<given-names><![CDATA[Uriel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castorena-García]]></surname>
<given-names><![CDATA[Hugo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico del Altiplano  ]]></institution>
<addr-line><![CDATA[ Tlaxcala]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Sistema Biobolsa  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<volume>50</volume>
<numero>4</numero>
<fpage>471</fpage>
<lpage>479</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-31952016000400471&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-31952016000400471&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-31952016000400471&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Los sistemas anaeróbicos producen biocombustibles y líquidos residuales conocidos como bioles. En Sistemas Biobolsa® se realizó la fermentación anaeróbica de excretas bovinas y porcinas, durante dos meses. La diferencia entre los tipos de biol bovino y porcino obtenidos se determinó con análisis de varianza de un factor y para cada parámetro físico y químico evaluado. En los bioles se monitoreó diariamente pH, temperatura, conductividad eléctrica (CE), oxígeno disuelto (OD), potencial oxido reducción (ORP), sólidos disueltos totales (SDT), porcentaje de cloruro de sodio, sólidos volátiles (SV), sólidos totales (ST.), cenizas, humedad, P, PO4, P2O5, N, Na, K, Ca, Mg, Zn y Cu en su forma iónica. Con un pH-metro (HANNA HI-255) se determinaron pH, CE, SDT, y NaCl, y en un analizador multiparamétrico (HACH, HQ40d) se evaluaron OD y potencial óxido-reducción. Con métodos gravimétricos se determinó humedad, ST, SV, y cenizas; los macro-nutrientes (P, de P2O5, PO4, nitrógeno amoniacal (NH3,-H) y K) se midieron con un analizador de nutrientes (HANNA HI-83215) y los micronutrientes con un espectrofotómetro de absorción atómica (GBC AA 904). Todos los análisis se realizaron por duplicado. Los Sistemas Biobolsa® mostraron estabilidad en su funcionamiento, en condiciones mesófilas (variación de ±3&#963; en cada parámetro). Existió diferencia significativa en Ca y Mg entre los tipos de excreta. El biol bovino mostró 8.94 4 mS cm-1, 658.9, 80.90 y 581 ppm en CE, NH4+, PO43-, y K+ y 8.4 mS cm-1, 745.0, 80.90, 39 y 521 ppm el biol porcino. El contenido de nutrientes de ambos bioles permite su utilización como enriquecedores de fertilizantes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Anaerobic systems produce biofuels and liquid waste known as bioles. In Sistemas Biobolsa® we evaluated anaerobic fermentation of cattle and pig manure for two months. The difference between the types of cattle and porcine biol obtained was determined by the One Factor Analysis of Variance and the physical and chemical parameters were evaluated. In bioles we daily monitored pH, temperature, electrical conductivity (EC), dissolved oxygen (DO), oxide reduction potential (ORP), total dissolved solids (TDS), percentage of sodium chloride, volatile solids (VS), total solids (ST.), ash, moisture, P, PO4, P2O5, N, Na, K, Ca, Mg, Zn and Cu in its ionic form. With a pH meter (HANNA HI-255) we determined pH, EC, TDS, NaCl, and with a multiparameter analyzer (HACH, HQ40d) OD and redox potential we evaluated. With gravimetric methods, we determined humidity, ST, and ash; we measured macronutrients (P, P2O5, PO4, ammonia nitrogen (NH3-H) and K+) with a nutrient analyzer (HANNA HI-83215 ) and micronutrients with an atomic absorption spectrophotometer (GBC AA 904). All analyses were performed in duplicate. The Sistemas Biobolsa® showed stability in its operation, in mesophilic conditions (variation of ±3&#963; in each parameter). There was a significant difference in Ca and Mg between types of excreta. Cattle biol showed 8.94 4mS cm-1, 658.9, 80.90 and 581 ppm in CE, NH4+, PO43- and K+ respectively while in porcine boil were 8.4 mS cm-1, 745.0, 39 and 521 ppm. The nutrients content of both bioles allows to be applied as fertilizers.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Biol]]></kwd>
<kwd lng="es"><![CDATA[biorreactores anaerobios]]></kwd>
<kwd lng="es"><![CDATA[biofertilizantes]]></kwd>
<kwd lng="en"><![CDATA[Biol]]></kwd>
<kwd lng="en"><![CDATA[anaerobic bioreactors]]></kwd>
<kwd lng="en"><![CDATA[biofertilizers]]></kwd>
</kwd-group>
</article-meta>
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<article-title xml:lang=""><![CDATA[Effect of fermentation temperature on hydrogen production from cow waste slurry by using anaerobic microflora within the slurry]]></article-title>
<source><![CDATA[Appl. Microbiol. Biotechnol.]]></source>
<year>2007</year>
<volume>74</volume>
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