<?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>2007-1124</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias pecuarias]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. de cienc. pecuarias]]></abbrev-journal-title>
<issn>2007-1124</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-11242021000300845</article-id>
<article-id pub-id-type="doi">10.22319/rmcp.v12i3.5375</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Características de la producción de leche en La Frailesca, Chiapas, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Characteristics of milk production in La Frailesca, Chiapas, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Camacho-Vera]]></surname>
<given-names><![CDATA[Joaquín Huitzilihuitl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas-Canales]]></surname>
<given-names><![CDATA[Juan Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quintero-Salazar]]></surname>
<given-names><![CDATA[Leticia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Apan-Salcedo]]></surname>
<given-names><![CDATA[Gregorio Wenceslao]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de la Sierra Sur División de Estudios de Posgrado ]]></institution>
<addr-line><![CDATA[ Oaxaca]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Guanajuato División de Ciencias Sociales y Administrativas Departamento de Estudios Sociales]]></institution>
<addr-line><![CDATA[ Guanajuato]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Coinnova Consultores S. C  ]]></institution>
<addr-line><![CDATA[ Guadalajara]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,El Colegio de la Frontera Sur Departamento de Agricultura, Sociedad y Ambiente ]]></institution>
<addr-line><![CDATA[ Chiapas]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>12</volume>
<numero>3</numero>
<fpage>845</fpage>
<lpage>860</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11242021000300845&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11242021000300845&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11242021000300845&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Históricamente, la región Frailesca ha sido una de las principales zonas ganaderas del estado de Chiapas, por lo que se puede intuir que la estructura actual de su sistema lechero es una buena aproximación de la del estado. Este trabajo tuvo como objetivo la caracterización y análisis de las unidades de producción que forman parte del sistema lechero de la región Frailesca con la intención de describir su estructura en cuanto a tamaño y tipo de unidades de producción. Para tal fin se utilizaron parámetros de producción, de costos de producción e indicadores de rentabilidad. Se determinaron las características principales de las unidades de producción en cuanto a su tamaño y condiciones de operación por localidad de pertenencia, a fin de construir una tipología de productores y de realizar un contraste por localidad. Se encontró que la estructura productiva de la región tiene como base unidades de pequeña escala que constituyen alrededor del 76.7 % del total de las unidades de la muestra, mientras que los medianos productores representan un 14.6 % del total y los grandes únicamente el 8.7 %. Entre estos tipos de productores existe una diferencia significativa en cuanto al tamaño del hato productivo, rendimiento, costos y rentabilidad. En síntesis, la estructura del sistema productivo de la región Frailesca, como otros sistemas de lechería tropical en el país, está constituida por unidades de producción de baja escala con características de unidades familiares con uso intensivo de mano de obra, bajo nivel tecnológico y altos costos de suplementación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Historically, the Frailesca region has been one of the main livestock farming areas of the state of Chiapas, so it can be assumed that the current structure of its dairy system is a good approximation of that of the state. This work aimed to characterize and analyze the production units that are part of the dairy system of the Frailesca region, with the intention of describing their structure in terms of size and type of production units. For this purpose, production parameters, production costs and profitability indicators were used. The main characteristics of the production units, in terms of their size and operating conditions by locality of origin, were determined in order to construct a typology of producers and to make a contrast by locality. It was found that the productive structure of the region is based on small-scale units that constitute about 76.7 % of the total units of the sample, while medium-sized producers represent 14.6 % of the total and large ones only 8.7 %. Between these types of producers, there is a significant difference in terms of the size of the productive herd, yield, costs and profitability. In summary, the structure of the productive system of the Frailesca region, like other tropical dairy systems in the country, is made up of small-scale production units with characteristics of labor-intensive family units, low technological level and high supplementation costs.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Sistema productivo lechero]]></kwd>
<kwd lng="es"><![CDATA[Rentabilidad]]></kwd>
<kwd lng="es"><![CDATA[Estacionalidad]]></kwd>
<kwd lng="en"><![CDATA[Dairy production system]]></kwd>
<kwd lng="en"><![CDATA[Profitability]]></kwd>
<kwd lng="en"><![CDATA[Seasonality]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vera]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Botero]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Ullrich]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Producción de leche y reproducción en sistemas doble propósito: Algunas implicancias para el enfoque experimental]]></article-title>
<source><![CDATA[Past Trop]]></source>
<year>1994</year>
<volume>18</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>25-32</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cortés]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Aguilar]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Vera]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sistemas bovinos doble propósito en el trópico bajo de Colombia, modelo de simulación]]></article-title>
<source><![CDATA[Arch Zootec]]></source>
<year>2003</year>
<volume>52</volume>
<numero>197</numero>
<issue>197</issue>
<page-range>25-34</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Orantes]]></surname>
<given-names><![CDATA[MÁ]]></given-names>
</name>
<name>
<surname><![CDATA[Platas]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Córdova]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[De los Santos]]></surname>
<given-names><![CDATA[MC]]></given-names>
</name>
<name>
<surname><![CDATA[Córdova]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Caracterización de la ganadería de doble propósito en una región de Chiapas, México]]></article-title>
<source><![CDATA[Ecosist Recur Agropecu]]></source>
<year>2014</year>
<volume>1</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>49-58</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="">
<collab>SIAP</collab>
<source><![CDATA[Estadísticas de producción pecuaria 2018]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="book">
<collab>INEGI</collab>
<source><![CDATA[Censo Agropecuario 2007]]></source>
<year>2007</year>
<publisher-name><![CDATA[Censo Agrícola, Ganadero y Forestal]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camacho]]></surname>
<given-names><![CDATA[VJH]]></given-names>
</name>
<name>
<surname><![CDATA[Vargas]]></surname>
<given-names><![CDATA[CJM]]></given-names>
</name>
<name>
<surname><![CDATA[Quintero]]></surname>
<given-names><![CDATA[SL]]></given-names>
</name>
<name>
<surname><![CDATA[Apan]]></surname>
<given-names><![CDATA[SGW.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evolución del sistema productivo de leche de bovino en La Frailesca, Chis]]></article-title>
<source><![CDATA[Rev Geograf Agríc]]></source>
<year>2018</year>
<numero>61</numero>
<issue>61</issue>
<page-range>67-84</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bonora]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Benni]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Barbaresi]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Tassinari]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Torreggiani]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A cluster-graph model for herd characterization in dairy farms equipped with an automatic milking system]]></article-title>
<source><![CDATA[Biosyst Eng]]></source>
<year>2018</year>
<page-range>1-7</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cuevas-Reyes]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Rosales-Nieto]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Characterization of the dual-purpose bovine system in northwest Mexico: producers, resources and problematic]]></article-title>
<source><![CDATA[Rev. MVZ Córdoba]]></source>
<year>2018</year>
<volume>23</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>6448-60</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bedoya]]></surname>
<given-names><![CDATA[ODM]]></given-names>
</name>
<name>
<surname><![CDATA[Cassoli]]></surname>
<given-names><![CDATA[LD]]></given-names>
</name>
<name>
<surname><![CDATA[Ángel]]></surname>
<given-names><![CDATA[MO]]></given-names>
</name>
<name>
<surname><![CDATA[Muñoz]]></surname>
<given-names><![CDATA[MFC.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Caracterización de sistemas de producción lechera de Antioquia con sistemas de ordeño mecánico]]></article-title>
<source><![CDATA[Livest Res Rural Dev]]></source>
<year>2018</year>
<volume>30</volume>
<page-range>1-10</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kuwahara]]></surname>
<given-names><![CDATA[KC]]></given-names>
</name>
<name>
<surname><![CDATA[Damasceno]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Bánkuti]]></surname>
<given-names><![CDATA[FI]]></given-names>
</name>
<name>
<surname><![CDATA[Prizon]]></surname>
<given-names><![CDATA[RC]]></given-names>
</name>
<name>
<surname><![CDATA[Rossoni]]></surname>
<given-names><![CDATA[DF]]></given-names>
</name>
<name>
<surname><![CDATA[Eckstein]]></surname>
<given-names><![CDATA[II.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sustainability and typology of dairy production systems]]></article-title>
<source><![CDATA[Semina: Ciênc Agrár]]></source>
<year>2018</year>
<volume>39</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>2081-92</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nivia]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Beltrán]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Marentes]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Pineda]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Caracterización técnico-administrativa de los sistemas de producción bovino de leche de pequeña escala en una región central de Colombia]]></article-title>
<source><![CDATA[Idesia]]></source>
<year>2018</year>
<volume>36</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>259-68</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Koerich]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Damasceno]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Bánkuti]]></surname>
<given-names><![CDATA[FI]]></given-names>
</name>
<name>
<surname><![CDATA[Parré]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[GTD.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of forage production area, concentrate supply, and workforce on productive results in milk production systems]]></article-title>
<source><![CDATA[R Bras Zootec]]></source>
<year>2019</year>
<volume>48</volume>
</nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Albarrán-Portillo]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[García-Martínez]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Ortiz-Rodea]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Rojo-Rubio]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Vázquez-Armijo]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
<name>
<surname><![CDATA[Arriaga-Jordán]]></surname>
<given-names><![CDATA[CM.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Socioeconomic and productive characteristics of dual purpose farms based on agrosilvopastoral systems in subtropical highlands of central Mexico]]></article-title>
<source><![CDATA[Agroforest Syst]]></source>
<year>2019</year>
<volume>93</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>1939-47</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Merton]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Marjorie]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Kendall]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Propósitos y criterios de la entrevista focalizada]]></article-title>
<source><![CDATA[EMPIRIA]]></source>
<year>1998</year>
<numero>1</numero>
<issue>1</issue>
<page-range>215-27</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hair]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
<name>
<surname><![CDATA[Anderson]]></surname>
<given-names><![CDATA[RE]]></given-names>
</name>
<name>
<surname><![CDATA[Tatham]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[Black]]></surname>
<given-names><![CDATA[WC.]]></given-names>
</name>
</person-group>
<source><![CDATA[Análisis multivariante]]></source>
<year>1999</year>
<edition>5a</edition>
<publisher-loc><![CDATA[Iberia, Madrid, España ]]></publisher-loc>
<publisher-name><![CDATA[Prentice Hall]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Viera]]></surname>
<given-names><![CDATA[GG]]></given-names>
</name>
<name>
<surname><![CDATA[Viera]]></surname>
<given-names><![CDATA[RG]]></given-names>
</name>
<name>
<surname><![CDATA[Olivera]]></surname>
<given-names><![CDATA[RMP]]></given-names>
</name>
<name>
<surname><![CDATA[Morales]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clasificación dinámica de los sistemas de producción lechera de la cuenca Camagüey-Jimaguayú, Cuba]]></article-title>
<source><![CDATA[Rev Prod Anim]]></source>
<year>2004</year>
<volume>16</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>17-26</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Forclaz]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Mazza]]></surname>
<given-names><![CDATA[SM]]></given-names>
</name>
<name>
<surname><![CDATA[Giménez]]></surname>
<given-names><![CDATA[LI.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clasificación de los sistemas de producción algodonera en la provincia del Chaco, mediante el uso de análisis de conglomerados]]></article-title>
<source><![CDATA[RIA. Rev Investig Agropecu]]></source>
<year>2004</year>
<volume>33</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>15-25</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yin]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Case study research: Design and methods]]></source>
<year>1994</year>
<publisher-loc><![CDATA[USA ]]></publisher-loc>
<publisher-name><![CDATA[Sage Publications]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stake]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Investigación con estudio de casos]]></source>
<year>1998</year>
<publisher-loc><![CDATA[España ]]></publisher-loc>
<publisher-name><![CDATA[Ediciones Morata]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gundermann]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El método de los estudios de caso]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Tarrés]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
</person-group>
<source><![CDATA[Observar, escuchar y comprender sobre la tradición cualitativa en la investigación social]]></source>
<year>2004</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Facultad Latinoamericana de Ciencias Sociales]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cervantes]]></surname>
<given-names><![CDATA[EF]]></given-names>
</name>
<name>
<surname><![CDATA[Santoyo]]></surname>
<given-names><![CDATA[CH]]></given-names>
</name>
<name>
<surname><![CDATA[Álvarez]]></surname>
<given-names><![CDATA[MA.]]></given-names>
</name>
</person-group>
<source><![CDATA[Lechería familiar, factores de éxito para el negocio]]></source>
<year>2001</year>
<publisher-loc><![CDATA[México, Plaza y Valdés ]]></publisher-loc>
<publisher-name><![CDATA[UACh]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vilaboa]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Díaz]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Ruiz]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Platas]]></surname>
<given-names><![CDATA[DE]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Juárez]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Caracterización socioeconómica y tecnológica de los agroecosistemas con bovinos de doble propósito de la región del Papaloapan, Veracruz, México]]></article-title>
<source><![CDATA[Trop Subtrop Agroecosystems]]></source>
<year>2009</year>
<volume>10</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>53-62</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cuevas]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Loaiza]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Espinosa]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Vélez]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Montoya]]></surname>
<given-names><![CDATA[MD.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Tipología de las explotaciones ganaderas de bovinos doble propósito en Sinaloa, México]]></article-title>
<source><![CDATA[Rev Mex Cienc Pecu]]></source>
<year>2016</year>
<volume>7</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>69-83</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramírez-Rivera]]></surname>
<given-names><![CDATA[EJ]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez-Miranda]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Huerta-Mora]]></surname>
<given-names><![CDATA[IR]]></given-names>
</name>
<name>
<surname><![CDATA[Cárdenas-Cágal]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Juárez-Barrientos]]></surname>
<given-names><![CDATA[JM.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Tropical milk production systems and milk quality: a review]]></article-title>
<source><![CDATA[Trop Anim Health Prod]]></source>
<year>2019</year>
<volume>51</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1295-305</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castro]]></surname>
<given-names><![CDATA[HG]]></given-names>
</name>
<name>
<surname><![CDATA[Tewolde]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
<name>
<surname><![CDATA[Toral]]></surname>
<given-names><![CDATA[JN.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis de los sistemas ganaderos de doble propósito en el centro de Chiapas, México]]></article-title>
<source><![CDATA[Arch Latinoam Prod Anim]]></source>
<year>2002</year>
<volume>10</volume>
<numero>17</numero>
<issue>17</issue>
<page-range>5-183</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carranza]]></surname>
<given-names><![CDATA[RG]]></given-names>
</name>
<name>
<surname><![CDATA[Macedo]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Cámara]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Sosa]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Meraz]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
<name>
<surname><![CDATA[Valdivia]]></surname>
<given-names><![CDATA[AG.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Competitividad en la cadena productiva de leche del estado de Aguascalientes, México]]></article-title>
<source><![CDATA[Agrociencia]]></source>
<year>2007</year>
<volume>41</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>701-9</page-range></nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[LA.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estrategias de las agroindustrias lecheras latinoamericanas: Estudio comparativo ante el proceso de globalización económica]]></article-title>
<source><![CDATA[Rev Mex Agronegocios]]></source>
<year>2001</year>
<volume>5</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>263-73</page-range></nlm-citation>
</ref>
<ref id="B28">
<label>28</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vázquez]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Aguilar]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
<name>
<surname><![CDATA[Villagómez]]></surname>
<given-names><![CDATA[JA.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparación de la eficiencia productiva y económica de grupos ganaderos organizados de doble propósito y de lechería familiar/semiespecializada]]></article-title>
<source><![CDATA[Ciencia Administrativa]]></source>
<year>2016</year>
<volume>1</volume>
<page-range>226-37</page-range></nlm-citation>
</ref>
<ref id="B29">
<label>29</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lara]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Mora]]></surname>
<given-names><![CDATA[JS]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Omaña]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Gallegos]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Competitividad y ventajas comparativas de los sistemas producción de leche en el estado de Jalisco, México]]></article-title>
<source><![CDATA[Agrociencia]]></source>
<year>2003</year>
<volume>37</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>85-94</page-range></nlm-citation>
</ref>
<ref id="B30">
<label>30</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vázquez]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Herrera]]></surname>
<given-names><![CDATA[JG]]></given-names>
</name>
<name>
<surname><![CDATA[Ruíz]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Ortega]]></surname>
<given-names><![CDATA[ME]]></given-names>
</name>
<name>
<surname><![CDATA[Barreras]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Rojas]]></surname>
<given-names><![CDATA[RI.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Niveles de aflatoxinas en alimento y leche cruda en ranchos de la región centro de Chiapas]]></article-title>
<source><![CDATA[Ciencia e Innovación]]></source>
<year>2018</year>
<volume>1</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>155-64</page-range></nlm-citation>
</ref>
<ref id="B31">
<label>31</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ruíz]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Orantes]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Manzur]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Contaminación por micotoxinas de la leche y derivados lácteos]]></article-title>
<source><![CDATA[Quehacer Científico en Chiapas]]></source>
<year>2017</year>
<volume>12</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>90-102</page-range></nlm-citation>
</ref>
<ref id="B32">
<label>32</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Vega]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[JJ]]></given-names>
</name>
<name>
<surname><![CDATA[Ruiz]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Yamazaki]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Rivera]]></surname>
<given-names><![CDATA[JG]]></given-names>
</name>
<name>
<surname><![CDATA[Urbán]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Escobar]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluación de aflatoxina M1 en leche orgánica producida en Tecpatán, Chiapas, México]]></article-title>
<source><![CDATA[Rev Salud Anim]]></source>
<year>2013</year>
<volume>35</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>33-7</page-range></nlm-citation>
</ref>
<ref id="B33">
<label>33</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Álvarez]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Barajas]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Montaño]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La reorganización del sistema lechero inducida por la Nestlé en La Frailesca, Chiapas]]></article-title>
<source><![CDATA[Comer Exter]]></source>
<year>1997</year>
<volume>47</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>):947-54</page-range></nlm-citation>
</ref>
<ref id="B34">
<label>34</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zárate]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Esqueda]]></surname>
<given-names><![CDATA[VA]]></given-names>
</name>
<name>
<surname><![CDATA[Vinay]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Jácome]]></surname>
<given-names><![CDATA[SM.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluación económico-productiva de un sistema de producción de leche en el trópico]]></article-title>
<source><![CDATA[Agron Mesoam]]></source>
<year>2010</year>
<volume>21</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>255-65</page-range></nlm-citation>
</ref>
<ref id="B35">
<label>35</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lau]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Barrientos]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[SI]]></given-names>
</name>
<name>
<surname><![CDATA[Manzur]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Orea]]></surname>
<given-names><![CDATA[RI]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Metodología de costos unitarios en microempresas de bovinos de doble propósito del estado de Chiapas, México]]></article-title>
<source><![CDATA[Quehacer Científico en Chiapas]]></source>
<year>2017</year>
<volume>12</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>64-8</page-range></nlm-citation>
</ref>
<ref id="B36">
<label>36</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Del Valle]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Aguilar]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La integración vertical en los sistemas lecheros de la frailesca, Chiapas y los Altos de Jalisco en el contexto de la globalización]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<source><![CDATA[Dinámica de sistema lechero en el marco regional y global]]></source>
<year>1999</year>
<page-range>203-20</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Plaza y Valdés]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B37">
<label>37</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mezgebe]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Gizaw]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Urge M.]]></surname>
<given-names><![CDATA[Growth]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Growth, reproductive, and productive performance of Begait cattle under different herd management systems in northern Ethiopia]]></article-title>
<source><![CDATA[Trop Anim Health Prod]]></source>
<year>2018</year>
<volume>50</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1313-8</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
