<?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>2007-9028</journal-id>
<journal-title><![CDATA[Ecosistemas y recursos agropecuarios]]></journal-title>
<abbrev-journal-title><![CDATA[Ecosistemas y recur. agropecuarios]]></abbrev-journal-title>
<issn>2007-9028</issn>
<publisher>
<publisher-name><![CDATA[Universidad Juárez Autónoma de Tabasco, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-90282017000300549</article-id>
<article-id pub-id-type="doi">10.19136/era.a4n12.1135</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Bone copper content in sheep in relation to their drinking water source]]></article-title>
<article-title xml:lang="es"><![CDATA[Contenido de cobre óseo en ovinos en función de su fuente de agua de bebida]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castellanos-Ruelas]]></surname>
<given-names><![CDATA[Arturo F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rosado-Rubio]]></surname>
<given-names><![CDATA[J. Gabriel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Betancur-Ancona]]></surname>
<given-names><![CDATA[David A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Heredia y Aguilar]]></surname>
<given-names><![CDATA[Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Yucatán Facultad de Ingeniería Química ]]></institution>
<addr-line><![CDATA[Mérida Yuc.]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,aff2  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<volume>4</volume>
<numero>12</numero>
<fpage>549</fpage>
<lpage>554</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-90282017000300549&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-90282017000300549&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-90282017000300549&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT: The aim was to estímate the Cu content in the bones of grazing sheep and relate it to their drinking water. Cu was analyzed by taking bone biopsies. Samples from the twelfth rib were taken in 107 animals and water samples were collected from forty wells in the same farms located in four agroecological areas in Yucatán State, México. Cu was analyzed by atomic absorption. Data were analyzed using the least squares method. Cu content in bone tissue was: weaned 0.66a; Females prior to first gestation 0.57b and ewes 0.64a mg/kg-1. Normal content in bone is 2-3 mg/kg-1, indicating a deficiency in the animals. Cu in water was 0.15ab, 0.12b, 0.16ab and 0.19a mg/L-1 in the center, east, west and south part of the State respectively. Cu concentration in water for animal consumption was low. In conclusión, Cu deficiency was diagnosed in grazing sheep that could be associated with the low Cu content in the drinking water.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN: El objetivo fue estimar el contenido de Cu en hueso de ovejas en pastoreo y relacionarlo con el agua consumida. Se tomaron biopsias de décima segunda costilla en 107 animales y muestras de agua de cuarenta pozos, en el estado de Yucatán, México en cuatro zonas agroecológicas. El Cu se analizó por absorción atómica. Los datos se analizaron mediante mínimos cuadrados. El contenido de Cu en hueso fue: destetados 0.66a, en novillonas 0.57b y ovejas adultas 0.64a mg kg-1. El contenido normal está entre 2 y 3 mg kg-1, siendo estos resultados inferiores, implicando deficiencia en los animales. El contenido en el agua fue 0.15ab, 0.12b, 0.16ab y 0.19a mg L-1 en el Centro, Este, Oeste y Sur del estado, respectivamente. Estos resultados fueron bajos. En conclusión se diagnosticó deficiencia de Cu en ovinos en pastoreo que podrían estar asociada al bajo contenido de Cu en el agua consumida.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Copper]]></kwd>
<kwd lng="en"><![CDATA[bone biopsy]]></kwd>
<kwd lng="en"><![CDATA[grazing]]></kwd>
<kwd lng="en"><![CDATA[sheep]]></kwd>
<kwd lng="es"><![CDATA[Cobre]]></kwd>
<kwd lng="es"><![CDATA[biopsia de hueso]]></kwd>
<kwd lng="es"><![CDATA[pastoreo]]></kwd>
<kwd lng="es"><![CDATA[ovejas]]></kwd>
</kwd-group>
</article-meta>
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</person-group>
<source><![CDATA[Nutrient elements in grassland. Soil-Plant-Animal relationships]]></source>
<year>2000</year>
<publisher-loc><![CDATA[Wallingford. UK ]]></publisher-loc>
<publisher-name><![CDATA[CABI Publishing International University Press]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
