<?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>0188-6266</journal-id>
<journal-title><![CDATA[Acta universitaria]]></journal-title>
<abbrev-journal-title><![CDATA[Acta univ]]></abbrev-journal-title>
<issn>0188-6266</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Guanajuato, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-62662019000100216</article-id>
<article-id pub-id-type="doi">10.15174/au.2019.2354</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Correlation between body weight and intestinal villi morphology in finishing pigs]]></article-title>
<article-title xml:lang="es"><![CDATA[Correlación entre el peso de corporal y la morfología de las vellosidades intestinal en cerdos en finalización]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Itza-Ortiz]]></surname>
<given-names><![CDATA[Mateo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Segura-Correa]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Parra-Suescún]]></surname>
<given-names><![CDATA[Jaime]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar-Urquizo]]></surname>
<given-names><![CDATA[Edgar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escobar-Gordillo]]></surname>
<given-names><![CDATA[Neftali]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Ciudad Juárez Department of Veterinary Sciences ]]></institution>
<addr-line><![CDATA[Ciudad Juárez Chihuahua]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Yucatán Faculty of Veterinary Medicine and Zootechnics ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional de Colombia Departament of Animal Production ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Tecnológico de Conkal  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<volume>29</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-62662019000100216&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-62662019000100216&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-62662019000100216&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The villi height of the villi is associated with the nutrients&#8217; absorption and greater body weight. The correlation between body weight and villi height or villi area in three sections of the small intestine was investigated. A total of 42 pigs were randomly sampled with an average of 73.61 kg ± 10.72 kg slaughtered weight. Three methodologies were used for sampling in each of the three sections of the small intestine. The height and area of the villi were measured for each section of the intestine. Linear Pearson correlations were calculated. The correlations of the height and area of the villi of the ileum were positive and low (r = 0.168; n = 42; p = 0.05). The duodenum and jejunum correlations were negative and low (r = -0.140; n = 42; p &gt; 0.01). No correlation was found between the body weight and the height or area of the villi, possibly due to other factors that may affect them.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La longitud de las vellosidades está asociada con la absorción de nutrientes y, por ende, mayor peso corporal. El objetivo fue correlacionar el peso corporal y la longitud o área de las vellosidades en tres secciones del intestino delgado. Un total de 42 cerdos fueron muestreados aleatoriamente con un peso promedio de 73.61 kg ± 10.72 kg. Se utilizaron tres metodologías para la toma de muestras en cada una de las tres secciones del intestino delgado. Se midieron la altura y área de las vellosidades por cada sección del intestino. Se calcularon correlaciones lineales de Pearson. Las correlaciones de la longitud y área de las vellosidades del íleon fueron positivas y baja (r = 0.168; n = 42; p = 0.05). Las correlaciones del duodeno y yeyuno fueron negativas y baja (r = -0.140; n = 42; p &gt; 0.01). No se encontró correlación entre el peso corporal y la longitud o área de las vellosidades, posiblemente debido a otros factores que pueden afectarlos.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Pigs]]></kwd>
<kwd lng="en"><![CDATA[height and area villus]]></kwd>
<kwd lng="en"><![CDATA[body weight]]></kwd>
<kwd lng="en"><![CDATA[short intestine]]></kwd>
<kwd lng="es"><![CDATA[Cerdo]]></kwd>
<kwd lng="es"><![CDATA[longitud y área vellosidad]]></kwd>
<kwd lng="es"><![CDATA[peso corporal]]></kwd>
<kwd lng="es"><![CDATA[intestino delgado]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ávila]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Niño]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Parra]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Tarazona]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Descripción morfometrica de las vellosidades intestinales en bovinos]]></article-title>
<source><![CDATA[Cultura científica]]></source>
<year>2009</year>
<volume>7</volume>
<page-range>57-60</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Banks]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Histología Veterinaria Aplicada]]></source>
<year>1996</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Manual Moderno]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cabrera]]></surname>
<given-names><![CDATA[R. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Usry]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Arrellano]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Nogueira]]></surname>
<given-names><![CDATA[E. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Kutschenko]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Moeser]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Odle]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of creep feeding and supplemental glutamine or glutamine plus glutamate (Aminogut) on pre- and post-weaning growth performance and intestinal health of piglets]]></article-title>
<source><![CDATA[Journal of Animal Science and Biotechnology]]></source>
<year>2013</year>
<volume>4</volume>
<numero>29</numero>
<issue>29</issue>
<page-range>1-12</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chávez]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Parra]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Crecimiento y desarrollo intestinal de aves de engorde alimentadas con cepas probióticas]]></article-title>
<source><![CDATA[Archivos de Zootecnia]]></source>
<year>2016</year>
<volume>65</volume>
<numero>249</numero>
<issue>249</issue>
<page-range>51-8</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dellman]]></surname>
<given-names><![CDATA[H. D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Histología Veterinaria]]></source>
<year>1994</year>
<publisher-loc><![CDATA[España ]]></publisher-loc>
<publisher-name><![CDATA[Acribia]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Frandson]]></surname>
<given-names><![CDATA[R. D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Anatomía y Fisiología de los Animales Domésticos]]></source>
<year>1988</year>
<publisher-loc><![CDATA[Ciudad de México ]]></publisher-loc>
<publisher-name><![CDATA[Interamericana]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Catala-Gregori]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernandez]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Megias]]></surname>
<given-names><![CDATA[M. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Madrid]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of formic acid and plant extracts on growth, nutrient digestibility, intestine mucosa morphology and meat yield of broilers]]></article-title>
<source><![CDATA[Journal of Applied Poultry Research]]></source>
<year>2007</year>
<volume>16</volume>
<page-range>555-62</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gartner]]></surname>
<given-names><![CDATA[L. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Hiatt]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Texto Atlas de Histología]]></source>
<year>2008</year>
<publisher-loc><![CDATA[USA ]]></publisher-loc>
<publisher-name><![CDATA[McGraw Hill]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Itza-Ortiz]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Quezada-Casasola]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Castillo-Castillo]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez-Galindo]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Carrera-Chávez]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Martín-Orozco]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
<name>
<surname><![CDATA[Jaramillo-López]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Calzada-Nieves]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of three sampling procedures for evaluating intestinal villi: A swine model]]></article-title>
<source><![CDATA[Revista Colombiana de Ciencias Pecuarias]]></source>
<year>2018</year>
<volume>31</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>3-9</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lu]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Idris]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
<name>
<surname><![CDATA[Harmon]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Hofacre]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Maurer]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diversity and succession of the intestinal bacterial community of the maturing broiler chicken]]></article-title>
<source><![CDATA[Applied and Environmental Microbiology]]></source>
<year>2003</year>
<volume>69</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>6816-24</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mendenhall]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Beaver]]></surname>
<given-names><![CDATA[R. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Beaver]]></surname>
<given-names><![CDATA[B. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Introduction to probability and statistics]]></source>
<year>1994</year>
<publisher-loc><![CDATA[Estados Unidos ]]></publisher-loc>
<publisher-name><![CDATA[Cengage Learning]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Miles]]></surname>
<given-names><![CDATA[R. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Butcher]]></surname>
<given-names><![CDATA[G. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Henry]]></surname>
<given-names><![CDATA[P. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Littell]]></surname>
<given-names><![CDATA[R. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of antibiotic growth promoters on broiler performance, intestinal growth parameters, and quantitative morphology]]></article-title>
<source><![CDATA[Poultry Science]]></source>
<year>2006</year>
<volume>85</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>476-85</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Norma Oficial Mexicana NOM-033-ZOO-1995. Sacrificio humanitario de los animales domésticos y silvestres]]></article-title>
<source><![CDATA[Diario Oficial de la Federación (DOF)]]></source>
<year>1996</year>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Norma Oficial Mexicana NOM-051-ZOO-1995. Trato humanitario en la movilización de animales]]></article-title>
<source><![CDATA[Diario Oficial de la Federación (DOF)]]></source>
<year>1998</year>
</nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pan]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Intestinal microbiome of poultry and its interaction with host and diet]]></article-title>
<source><![CDATA[Gut Microbes]]></source>
<year>2014</year>
<volume>5</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>108-19</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Eliecer]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Sabrina]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Morphological changes in intestinal villis in broiler chickens fed from 21 days with a diet supplemented with 10% of efficient microorganisms]]></article-title>
<source><![CDATA[Revista CITECSA]]></source>
<year>2010</year>
<volume>1</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>40-6</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rosero]]></surname>
<given-names><![CDATA[D. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Odle]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Moeser]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Dean]]></surname>
<given-names><![CDATA[B. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Van Heugten]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Peroxidised dietary lipids impair intestinal function and morphology of the small intestine villi of nursery pigs in a dose-dependent manner]]></article-title>
<source><![CDATA[British Journal of Nutrition]]></source>
<year>2016</year>
<volume>114</volume>
<page-range>1985-92</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<collab>SAS</collab>
<source><![CDATA[SAS/STAT User&#8217;s guide (Version 9.4)]]></source>
<year>2013</year>
<publisher-loc><![CDATA[Cary, NC ]]></publisher-loc>
<publisher-name><![CDATA[SAS Institute Inc.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Soraci]]></surname>
<given-names><![CDATA[A. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Amanto]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Harkes]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[D. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Dieguez]]></surname>
<given-names><![CDATA[S. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Tapia]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Uso estratégico de aditivos: Impacto sobre el equilibrio y salud gastrointestinal del lechón]]></article-title>
<source><![CDATA[Analecta Veterinaria]]></source>
<year>2010</year>
<volume>30</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>42-53</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tzora]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Giannenas]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Karamoutsios]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Papaioannou]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Papanastasiou]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Bonos]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Skoufos]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of Oregano, Attapulgite, Benzoic Acid and their Blend on Chicken Performance, Intestinal Microbiology and Intestinal Morphology]]></article-title>
<source><![CDATA[The Journal of Poultry Science]]></source>
<year>2017</year>
<volume>54</volume>
<page-range>218-27</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Uni]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Ganot]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Sklan]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Posthatch development of mucosal function in the broiler small intestine]]></article-title>
<source><![CDATA[Poultry Science]]></source>
<year>1998</year>
<volume>77</volume>
<page-range>75-82</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vázquez Cachay]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernán]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Desarrollo del epitelio del tracto intestinal y su participación en la defensa del organismo en mamíferos]]></article-title>
<source><![CDATA[REDVET]]></source>
<year>2012</year>
<volume>13</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>1-40</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wick]]></surname>
<given-names><![CDATA[M. R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Diagnostic Histochemistry]]></source>
<year>2008</year>
<publisher-loc><![CDATA[New York, NY. ]]></publisher-loc>
<publisher-name><![CDATA[Cambridge University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yamauchi]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Isshiki]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Scanning electron microscopic observations on the intestinal villi in growing White Leghorn and broiler chickens from 1 to 30 days of age]]></article-title>
<source><![CDATA[British Poultry Science]]></source>
<year>1991</year>
<volume>32</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>67-78</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yi]]></surname>
<given-names><![CDATA[G. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Carroll]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Allee]]></surname>
<given-names><![CDATA[G. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Gaines]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Kendall]]></surname>
<given-names><![CDATA[D. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Usry]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Toride]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Izuru]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of glutamine and spray-dried plasma on growth performance, small intestine morphology, and immune responses of Escherichia coli K88+-challenged weaned pigs]]></article-title>
<source><![CDATA[Journal of Animal Science]]></source>
<year>2005</year>
<volume>83</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>634-43</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
