<?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>S2007-11242018000400646</article-id>
<article-id pub-id-type="doi">10.22319/rmcp.v9i4.4517</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Épocas de nacimiento basadas en un índice climático para el ajuste de modelos estadísticos para peso vivo de ganado bovino en México]]></article-title>
<article-title xml:lang="en"><![CDATA[Birth seasons based on a climatic index for statistical model fitting of live weight of bovine cattle in México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herrera-Ojeda]]></surname>
<given-names><![CDATA[Jessica Beatriz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Parra-Bracamonte]]></surname>
<given-names><![CDATA[Gaspar Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Villalobos]]></surname>
<given-names><![CDATA[Nicolás]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-Armijo]]></surname>
<given-names><![CDATA[José Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Orozco-Durán]]></surname>
<given-names><![CDATA[Karlos Edmundo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Magaña-Monforte]]></surname>
<given-names><![CDATA[Juan Gabriel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-González]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jahuey-Martínez]]></surname>
<given-names><![CDATA[Francisco Joel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Michoacana de San Nicolás de Hidalgo Instituto de Investigaciones Agropecuarias y Forestales ]]></institution>
<addr-line><![CDATA[Morelia Michoacán]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Politécnico Nacional Centro de Biotecnología Genómica ]]></institution>
<addr-line><![CDATA[ Tamaulipas]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Massey University Institute of Veterinary, Animal and Biomedical Sciences ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>New Zealand</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma del Estado de México Centro Universitario UAEM Temascaltepec ]]></institution>
<addr-line><![CDATA[ Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Instituto Tecnológico del Valle de Morelia  ]]></institution>
<addr-line><![CDATA[Tarímbaro Michoacán]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad Autónoma de Yucatán Facultad de Medicina Veterinaria y Zootecnia ]]></institution>
<addr-line><![CDATA[ Yucatán]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Universidad Autónoma de Tamaulipas Facultad de Ingeniería y Ciencias ]]></institution>
<addr-line><![CDATA[ Tamaulipas]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<volume>9</volume>
<numero>4</numero>
<fpage>646</fpage>
<lpage>666</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11242018000400646&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11242018000400646&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11242018000400646&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El objetivo fue comparar los efectos de una metodología para la clasificación de épocas climáticas, que tradicionalmente son utilizadas para establecer épocas de nacimiento (EN) en estudios y experimentos estadísticos. Esta metodología se basa en un índice de aridez (IA) para clasificar las EN utilizando información meteorológica histórica. Se trabajó una base de datos con un pedigrí de 7,460 animales, se ajustaron dos modelos para peso al nacimiento y peso al destete en bovinos Charolais manejados en pastoreo extensivo. Los modelos incluyeron el efecto fijo de grupo contemporáneo (GC= subclase de hato, sexo, año y EN) y edad de la madre. Los mismos modelos se compararon utilizando una clasificación tradicional de estaciones del año para clasificar las EN. Al estimar los componentes de varianza y valores genéticos (DEP) con sus exactitudes, los modelos fueron diferentes de acuerdo a la prueba de razón de verosimilitudes (P&lt;0.01). El número de GC se redujo en 25 % para la EN basada en el IA, con GC con mayor número de individuos. El principal efecto observado en los modelos analizados fue el cambio en la jerarquización de las DEP para ambas características. Este método de clasificación de épocas de nacimiento, puede ayudar a mejorar el ajuste de modelos estadísticos en los sistemas ganaderos manejados en pastoreo extensivo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The objective of this study was to compare the effects of a methodology for the climatic season classification that traditionally had been used as birth season (BS) in statistical assessments. This methodology bases in an aridity index (AI) to classify BS using meteorological historic information. Using a 7,460-pedigree animals dataset were fitted two statistical models for birth and weaning weights of Charolais cattle. Genetic models included the fixed effect of contemporary groups (CG= herd, sex, year and BS) and dam age as a covariate (linear and quadratic). Same models compared with a traditional season classification for BS. When variance component and expected progeny differences (EPD) were predicted with their accuracies, models were statistically different accordingly to the likelihood ratio test (P&lt;0.01). An improvement and reduction in CG conformation (25 %) were observed for those models including IA based BS. The main effect in assessed models was the ranking changes in EPD from both traits. This classification method of birth season can improve the model fitting in animal production based in extensive systems.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Bovinos]]></kwd>
<kwd lng="es"><![CDATA[Charolais]]></kwd>
<kwd lng="es"><![CDATA[Evaluación genética]]></kwd>
<kwd lng="es"><![CDATA[Indice de aridez]]></kwd>
<kwd lng="es"><![CDATA[Modelos]]></kwd>
<kwd lng="es"><![CDATA[Peso vivo]]></kwd>
<kwd lng="en"><![CDATA[Aridity index]]></kwd>
<kwd lng="en"><![CDATA[Cattle]]></kwd>
<kwd lng="en"><![CDATA[Charolais]]></kwd>
<kwd lng="en"><![CDATA[Genetic evaluation]]></kwd>
<kwd lng="en"><![CDATA[Live weight]]></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[Arias]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
<name>
<surname><![CDATA[Mader]]></surname>
<given-names><![CDATA[TL]]></given-names>
</name>
<name>
<surname><![CDATA[Escobar]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factores climáticos que afectan el desempeño productivo del ganado bovino de carne y leche]]></article-title>
<source><![CDATA[Arch Med Vet]]></source>
<year>2008</year>
<numero>40</numero>
<issue>40</issue>
<page-range>7-22</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[Berman]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Are adaptations present to support dairy cattle productivity in warm climates?]]></article-title>
<source><![CDATA[J Dairy Sci]]></source>
<year>2011</year>
<volume>94</volume>
<page-range>2147-58</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[Wheelock]]></surname>
<given-names><![CDATA[JB]]></given-names>
</name>
<name>
<surname><![CDATA[Rhoads]]></surname>
<given-names><![CDATA[RP]]></given-names>
</name>
<name>
<surname><![CDATA[VanBaale]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
<name>
<surname><![CDATA[Sanders]]></surname>
<given-names><![CDATA[SR]]></given-names>
</name>
<name>
<surname><![CDATA[Baumgard]]></surname>
<given-names><![CDATA[LH.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of heat stress on energetic metabolism in lactating Holstein cows]]></article-title>
<source><![CDATA[J Dairy Sci]]></source>
<year>2009</year>
<numero>93</numero>
<issue>93</issue>
<page-range>644-55</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nardone]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Ronchi]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Lacetera]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Bernabucci]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Climatic effects on productive traits in livestock]]></article-title>
<source><![CDATA[Vet Res Commun]]></source>
<year>2006</year>
<numero>30</numero>
<issue>30</issue>
<page-range>75-81</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nienaber]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Hahn]]></surname>
<given-names><![CDATA[GI.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Livestock production system management responses to thermal challenges]]></article-title>
<source><![CDATA[Int J Biometeorol]]></source>
<year>2007</year>
<numero>52</numero>
<issue>52</issue>
<page-range>149-57</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tao]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Bubolz]]></surname>
<given-names><![CDATA[JW]]></given-names>
</name>
<name>
<surname><![CDATA[Amaral]]></surname>
<given-names><![CDATA[BC]]></given-names>
</name>
<name>
<surname><![CDATA[Thompson]]></surname>
<given-names><![CDATA[IM]]></given-names>
</name>
<name>
<surname><![CDATA[Hayen]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[SE]]></given-names>
</name>
<name>
<surname><![CDATA[Dahl]]></surname>
<given-names><![CDATA[GE.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of heat stress during the dry period on mammary gland development]]></article-title>
<source><![CDATA[J Dairy Sci]]></source>
<year>2011</year>
<numero>94</numero>
<issue>94</issue>
<page-range>5976-598</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[Morillo]]></surname>
<given-names><![CDATA[DE.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efectos de la época seca sobre la producción forrajera y bovina]]></article-title>
<source><![CDATA[Rev Fac Agron]]></source>
<year>1994</year>
<numero>15</numero>
<issue>15</issue>
<page-range>2-7</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hahn]]></surname>
<given-names><![CDATA[GL]]></given-names>
</name>
<name>
<surname><![CDATA[Mader]]></surname>
<given-names><![CDATA[TI]]></given-names>
</name>
<name>
<surname><![CDATA[Eigenberg]]></surname>
<given-names><![CDATA[RA.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Perspective on development of thermal indices for animal studies and management]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Lacetera]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<source><![CDATA[Interactions between climate and animal production]]></source>
<year>2003</year>
<edition>1rst</edition>
<page-range>31044-56</page-range><publisher-loc><![CDATA[Wageningen, The Netherlands ]]></publisher-loc>
<publisher-name><![CDATA[Wageningen Academic Publishers]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[JCM]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[AA]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Parra]]></surname>
<given-names><![CDATA[GM]]></given-names>
</name>
<name>
<surname><![CDATA[Castillo]]></surname>
<given-names><![CDATA[SP.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Características pre-destete de bovinos Simmental (Bos taurus) y sus cruces con Brahman (Bos indicus) en el trópico mexicano]]></article-title>
<source><![CDATA[Rev Colomb Cienc Pecu]]></source>
<year>2008</year>
<numero>21</numero>
<issue>21</issue>
<page-range>365-71</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[Chin]]></surname>
<given-names><![CDATA[RC]]></given-names>
</name>
<name>
<surname><![CDATA[Magaña]]></surname>
<given-names><![CDATA[JG]]></given-names>
</name>
<name>
<surname><![CDATA[Segura]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Núñez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factores ambientales y proporción racial que influyen en el peso al nacimiento, al destete y edad al primer parto en bovinos Suizo Pardo en México]]></article-title>
<source><![CDATA[Trop Sub-trop Agroeco]]></source>
<year>2012</year>
<numero>15</numero>
<issue>15</issue>
<page-range>55-60</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mrode]]></surname>
<given-names><![CDATA[RA.]]></given-names>
</name>
</person-group>
<source><![CDATA[Linear models for the prediction of animal breeding values]]></source>
<year>2014</year>
<edition>3rst</edition>
<publisher-loc><![CDATA[Oxxford, United Kingdom ]]></publisher-loc>
<publisher-name><![CDATA[Cabi International]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[GG]]></given-names>
</name>
<name>
<surname><![CDATA[Petrocinio]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Herrera]]></surname>
<given-names><![CDATA[PD.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factores que afectan el peso al destete en un rebaño de bovinos de carne]]></article-title>
<source><![CDATA[Rev Fac Agron]]></source>
<year>1998</year>
<numero>15</numero>
<issue>15</issue>
<page-range>2-7</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramírez-Valverde]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Nuñez-Domínguez]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Ruíz-Flores]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[García-Muñíz]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Magaña-Valencia]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparación de definiciones de grupos contemporáneos en la evaluación genética de bovinos suizo europeo]]></article-title>
<source><![CDATA[Téc Pecu Méx]]></source>
<year>2008</year>
<volume>46</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>359-70</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[Garrick]]></surname>
<given-names><![CDATA[DJ.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[An animal breeding approach to the estimation of genetic and environmental trends from field populations]]></article-title>
<source><![CDATA[J Anim Sci]]></source>
<year>2010</year>
<numero>88</numero>
<issue>88</issue>
<page-range>E3-E10</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Parra-Bracamonte GM]]></surname>
<given-names><![CDATA[García FJ]]></given-names>
</name>
<name>
<surname><![CDATA[González AM]]></surname>
<given-names><![CDATA[Cienfuegos EG.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Tendencias genéticas y fenotípicas de características en el ganado Brahaman de registro de México]]></article-title>
<source><![CDATA[Rev Cient]]></source>
<year>2007</year>
<numero>17</numero>
<issue>17</issue>
<page-range>262-7</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez-González]]></surname>
<given-names><![CDATA[JCM]]></given-names>
</name>
<name>
<surname><![CDATA[García-Esquivel]]></surname>
<given-names><![CDATA[FJ]]></given-names>
</name>
<name>
<surname><![CDATA[Parra-Bracamonte]]></surname>
<given-names><![CDATA[GM]]></given-names>
</name>
<name>
<surname><![CDATA[Castillo-Juárez]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Cienfuegos-Rivas]]></surname>
<given-names><![CDATA[EG.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Genetic parameters for growth traits in mexican Nellore cattle]]></article-title>
<source><![CDATA[Trop Anim Health Prod]]></source>
<year>2010</year>
<numero>42</numero>
<issue>42</issue>
<page-range>887-92</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[Medina-Zaldívar]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Osorio-Arce]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Segura-Correa]]></surname>
<given-names><![CDATA[JC.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influencias ambientales y parámetros genéticos de crecimiento en ganado Nelore en México]]></article-title>
<source><![CDATA[Rev CientFCV-Luz]]></source>
<year>2005</year>
<numero>3</numero>
<issue>3</issue>
<page-range>325-241</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez-González]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez-Michel]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
<name>
<surname><![CDATA[Briones-Encinia]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Lucero-Magaña]]></surname>
<given-names><![CDATA[FA]]></given-names>
</name>
<name>
<surname><![CDATA[Castillo-Rodríguez]]></surname>
<given-names><![CDATA[SP.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factores no genéticos que afectan el peso al nacer y destete de terneros Angus]]></article-title>
<source><![CDATA[Zootecnia Trop]]></source>
<year>2011</year>
<numero>2</numero>
<issue>2</issue>
<page-range>151-9</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ríos]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[GM]]></given-names>
</name>
<name>
<surname><![CDATA[Tsuruta]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Bertrand]]></surname>
<given-names><![CDATA[JK]]></given-names>
</name>
<name>
<surname><![CDATA[Murillo]]></surname>
<given-names><![CDATA[VEV]]></given-names>
</name>
<name>
<surname><![CDATA[Bermúdez]]></surname>
<given-names><![CDATA[MM.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimadores de parámetros genéticos para características de crecimiento de ganado Charolais mexicano]]></article-title>
<source><![CDATA[Téc Pecu Méx]]></source>
<year>2007</year>
<volume>45</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>121-30</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ríos]]></surname>
<given-names><![CDATA[UA]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Vega]]></surname>
<given-names><![CDATA[VG]]></given-names>
</name>
<name>
<surname><![CDATA[Montaño]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efectos genéticos para características de crecimiento de bovinos Charolais y Charbray mexicanos estimados con modelos alternativos]]></article-title>
<source><![CDATA[Rev Mex Cienc Pecu]]></source>
<year>2012</year>
<volume>3</volume>
<page-range>275-90</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="">
<collab>CONAGUA</collab>
<source><![CDATA[Banco de datos histórico. Comisión Nacional del Agua]]></source>
<year>2016</year>
</nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Herrera-Ojeda]]></surname>
<given-names><![CDATA[JB]]></given-names>
</name>
<name>
<surname><![CDATA[Parra-Bracamonte]]></surname>
<given-names><![CDATA[GM]]></given-names>
</name>
<name>
<surname><![CDATA[Herrera-Camacho]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[López-Villalobos]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Magaña-Monforte]]></surname>
<given-names><![CDATA[JG]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez-González]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Lobit]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Vázquez-Armijo]]></surname>
<given-names><![CDATA[JF.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Información climática asociada a estaciones productivas para el ajuste de modelos estadísticos de sistemas bovinos bajo condiciones extensivas]]></article-title>
<source><![CDATA[Arch Zootec]]></source>
<year>2018</year>
<numero>257</numero>
<issue>257</issue>
<page-range>21-8</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="book">
<collab>UNEP. United Nations Environment Programme</collab>
<source><![CDATA[Biodiversity Country Studies: Executive Summary]]></source>
<year>1992</year>
<publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[UNEP]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="book">
<collab>R Development Core Team R:</collab>
<source><![CDATA[A language and environment for statistical computing]]></source>
<year>2008</year>
<publisher-loc><![CDATA[Vienna Austria ]]></publisher-loc>
<publisher-name><![CDATA[R Foundation for Statistical Computing]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="">
<collab>SAS Institute. SAS/STAT Software</collab>
<source><![CDATA[Changes and enhancements through]]></source>
<year>1996</year>
<publisher-loc><![CDATA[Cary, NC ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Boldman]]></surname>
<given-names><![CDATA[KG]]></given-names>
</name>
<name>
<surname><![CDATA[Kriese]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[VanVleck]]></surname>
<given-names><![CDATA[LD]]></given-names>
</name>
<name>
<surname><![CDATA[VanTassell]]></surname>
<given-names><![CDATA[CP]]></given-names>
</name>
<name>
<surname><![CDATA[Kachman]]></surname>
<given-names><![CDATA[SD.]]></given-names>
</name>
</person-group>
<source><![CDATA[A manual for use of MTDFREML. A set of programs to obtain estimates of variances and covariances]]></source>
<year>1995</year>
<publisher-loc><![CDATA[USA ]]></publisher-loc>
<publisher-name><![CDATA[USDA Agr Res Serv]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lynch]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Walsh]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Genetics and analysis of quantitative traits]]></source>
<year>1998</year>
<edition>1rst</edition>
<publisher-loc><![CDATA[Sunderland ]]></publisher-loc>
<publisher-name><![CDATA[USA; Sinauer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B28">
<label>28</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wilson]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
<name>
<surname><![CDATA[Reale]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Clements]]></surname>
<given-names><![CDATA[MN]]></given-names>
</name>
<name>
<surname><![CDATA[Morrissey]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Postma]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Walling]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
<name>
<surname><![CDATA[Kruuk]]></surname>
<given-names><![CDATA[LE]]></given-names>
</name>
<name>
<surname><![CDATA[Nussey]]></surname>
<given-names><![CDATA[DH.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[An ecologist&#8217;s guide to the animal model]]></article-title>
<source><![CDATA[J Anim Ecol]]></source>
<year>2010</year>
<numero>79</numero>
<issue>79</issue>
<page-range>13-26</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[Domínguez-Viveros]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez-Almeida]]></surname>
<given-names><![CDATA[FA]]></given-names>
</name>
<name>
<surname><![CDATA[Ortega-Gutiérrez]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Flores-Mariñelarena]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Selección de modelos, parámetros genéticos y tendencias genéticas en las evaluaciones genéticas nacionales de bovinos Brangus y Salers]]></article-title>
<source><![CDATA[Agrociencia]]></source>
<year>2009</year>
<numero>43</numero>
<issue>43</issue>
<page-range>107-17</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[Pascoa]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Elzo]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
<name>
<surname><![CDATA[Bezerra]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Barbosa]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of several structures of (co) variances and genetic parameters for weaning weight in Nellore cattle]]></article-title>
<source><![CDATA[Ciênc Anim Bras]]></source>
<year>2013</year>
<numero>14</numero>
<issue>14</issue>
<page-range>151-8</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[Oliveira]]></surname>
<given-names><![CDATA[JGA]]></given-names>
</name>
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez-Díaz]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Sterman]]></surname>
<given-names><![CDATA[JB]]></given-names>
</name>
<name>
<surname><![CDATA[Santana]]></surname>
<given-names><![CDATA[ML.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Inclusion of weaning management group as a random effect in the genetic evaluation of postweaning traits in Nellore]]></article-title>
<source><![CDATA[Trop Anim Health Prod]]></source>
<year>2014</year>
<numero>46</numero>
<issue>46</issue>
<page-range>1031-6</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[Pedrosa]]></surname>
<given-names><![CDATA[VB]]></given-names>
</name>
<name>
<surname><![CDATA[Eler]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Ferraz]]></surname>
<given-names><![CDATA[JBS]]></given-names>
</name>
<name>
<surname><![CDATA[Groeneveld]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Use of weaning management group as a random effect for a more robust estimation of genetic parameters for post-weaning traits in Nellore cattle]]></article-title>
<source><![CDATA[Genet Mol Res]]></source>
<year>2014</year>
<volume>13</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>7013-21</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[Saavedra-Jiménez]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez-Valverde]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Núñez-Domínguez]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[García-Muñiz]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Lopez-Villalobos]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Ruiz-Flores]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Genotype by climate interaction in the genetic evaluation for growing traits of Braunvieh cattle in Mexico]]></article-title>
<source><![CDATA[Trop Anim Health Prod]]></source>
<year>2013</year>
<volume>45</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>1489-94</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[Estrada León]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
<name>
<surname><![CDATA[Magaña]]></surname>
<given-names><![CDATA[JG]]></given-names>
</name>
<name>
<surname><![CDATA[Segura]]></surname>
<given-names><![CDATA[JC.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparación de modelos en la evaluación genética de caracteres de crecimiento del ganado Brahman en el sureste de México]]></article-title>
<source><![CDATA[Arch Latinoam Prod Anim]]></source>
<year>2008</year>
<numero>16</numero>
<issue>16</issue>
<page-range>224-33</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[Domínguez-Viveros J]]></surname>
<given-names><![CDATA[Ramírez-Valverde R]]></given-names>
</name>
<name>
<surname><![CDATA[Santellano-Estrada E]]></surname>
<given-names><![CDATA[Espinosa-Villavicencio JL.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ajuste de modelos de regresión aleatoria en evaluaciones genéticas de bovinos tropicarne]]></article-title>
<source><![CDATA[Agrociencia]]></source>
<year>2011</year>
<numero>45</numero>
<issue>45</issue>
<page-range>325-37</page-range></nlm-citation>
</ref>
<ref id="B36">
<label>36</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Córdova]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Córdova]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Córdova]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ganancia diaria y peso al destete en terneros de cruces de Bos taurus y Bos indicus en trópico húmedo]]></article-title>
<source><![CDATA[Rev MVZ Córdoba]]></source>
<year>2005</year>
<numero>10</numero>
<issue>10</issue>
<page-range>589-92</page-range></nlm-citation>
</ref>
<ref id="B37">
<label>37</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hargraves]]></surname>
<given-names><![CDATA[GH.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Defining and using reference evapotranspiration]]></article-title>
<source><![CDATA[J Irrigation Drainage Eng]]></source>
<year>1994</year>
<numero>20</numero>
<issue>20</issue>
<page-range>1132-9</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
