<?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>2007-0705</journal-id>
<journal-title><![CDATA[Nova scientia]]></journal-title>
<abbrev-journal-title><![CDATA[Nova scientia]]></abbrev-journal-title>
<issn>2007-0705</issn>
<publisher>
<publisher-name><![CDATA[Universidad de La Salle Bajío A. C., Coordinación de Investigación]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-07052017000200464</article-id>
<article-id pub-id-type="doi">10.21640/ns.v9i19.883</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efecto de la demanda en las características del ganado ovino comercializado en el Altiplano Oeste Potosino]]></article-title>
<article-title xml:lang="en"><![CDATA[Effect of the demand in the features of the cattle sheep marketed in the Altiplano Oeste Potosino]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-López]]></surname>
<given-names><![CDATA[Artemio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Coronado Minjarez]]></surname>
<given-names><![CDATA[Martín Alexander]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colegio de Postgraduados  ]]></institution>
<addr-line><![CDATA[Salinas de Hidalgo San Luis Potosí]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<volume>9</volume>
<numero>19</numero>
<fpage>464</fpage>
<lpage>480</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-07052017000200464&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-07052017000200464&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-07052017000200464&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las regiones áridas y semiáridas comprenden poco más de un tercio de la superficie terrestre. En el caso de México, las zonas áridas y semiáridas están conformadas por cerca de 854,000 km2 de pastizales naturales que son utilizados como agostaderos para la crianza de bovinos, ovinos y caprinos, actividad que se ha constituido como un medio de ahorro y disminución de pérdidas monetarias dentro de las actividades de subsistencia de los pequeños productores en estas zonas del país. El objetivo de este estudio fue encontrar diferencias entre las características raza, peso, edad y sanidad en el ganado ovino comercializado en el Altiplano Oeste Potosino (AOP), observando cuáles de éstas inciden en lo demandado por compradores al momento de la compra-venta dentro del eslabón primario de la cadena de ovino en dicha región. La información se obtuvo mediante una encuesta aplicada a 115 ovinocultores. Se utilizó la prueba Kruskal-Wallis para determinar diferencias entre las características demandadas según el municipio y una prueba de X  2 para el tipo de comprador (local/foráneo). Mediante un modelo de regresión logística binaria, se determinó la probabilidad de demanda para cada característica. Se encontró que no existen diferencias entre los municipios que conforman la región según las características demandadas. En lo respectivo a las características solicitadas por tipo de comprador, sólo hubo diferencias para la característica edad (P&#8804;0.05), siendo la edad solicitada por un comprador local el doble a la solicitada por uno foráneo (6 meses). El modelo de regresión logística binaria indicó una mayor probabilidad de demanda para la característica raza (91.7%). La mayor preferencia se dio para la raza Dorper. La investigación reveló que la geografía de la región y el origen de los clientes no influyen sobre la demanda de las características peso, raza, sanidad y edad de los hatos ovinos. Se observó una cadena productiva poco competitiva y desintegrada. Debido a la importancia de esta cadena productiva en la región, se hace factible la implementación de estrategias que procuren la integración económica mediante el uso del conocimiento e información de la demanda de ganado ovino, pudiendo este elemento conformarse en un mecanismo de empoderamiento para ovinocultores y un soporte para innovaciones tecnológicas en los sistemas productivos locales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The arid and semi-arid regions comprise little more than one third of the Earth's surface. In the case of Mexico, arid and semi-arid areas are shaped by close to 854,000 km2 of natural grasslands which are used as rangeland for the breeding of cattle, sheep and goats, activity that has been established as a medium saving and reduction of monetary losses within the subsistence activities of small producers in these areas of the country. The aim of this study was to find differences between the characteristics of breed, weight, age and health in sheep marketed in the Altiplano Oeste Potosino (AOP) observing which of them affect what demanded by brokers when buying and selling within the primary link sheep chain in the region. The information is obtained through a survey applied to 115 sheep breeders. Kruskal Wallis test was used to determine differences between the characteristics demanded by the municipality and X 2 test for the type of customer (local/foreign). Using a binary logistic regression model, was determined the probability of demand for each feature. We found not there are differences between the municipalities of the region AOP characteristics demanded. Respective characteristics requested by type of buyer, there was only the characteristic age differences (P&#8804;0. 05), being the age requested by a client local the double to the requested by one foreign (6 months). The model binary logistic regression showed a higher probability of demand for breed characteristic (91.7%). The preference was given to the Dorper breed. It is considered that the sale of young animals can be conditioned producer profits, interrupting the aggregation of value by fattening which limits its role in the productive chain of sheep in the region. The investigation revealed that the geography of the region and the origin of the customers do not influence on the demand for the characteristics of sheep herds. An uncompetitive and disintegrated productive chain was observed. Due to the importance of this productive chain in the region, it is feasible to implement strategies that seek economic integration through the use of knowledge and information on the demand for sheep and this element can be shaped into a mechanism of empowerment and a support for technological innovations in local production systems.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[demanda]]></kwd>
<kwd lng="es"><![CDATA[raza]]></kwd>
<kwd lng="es"><![CDATA[sistemas productivos]]></kwd>
<kwd lng="es"><![CDATA[zonas áridas]]></kwd>
<kwd lng="en"><![CDATA[demand]]></kwd>
<kwd lng="en"><![CDATA[breed]]></kwd>
<kwd lng="en"><![CDATA[production systems]]></kwd>
<kwd lng="en"><![CDATA[arid zones]]></kwd>
</kwd-group>
</article-meta>
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