<?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>1659-4266</journal-id>
<journal-title><![CDATA[Cuadernos de Investigación UNED]]></journal-title>
<abbrev-journal-title><![CDATA[Cuadernos de Investigación UNED]]></abbrev-journal-title>
<issn>1659-4266</issn>
<publisher>
<publisher-name><![CDATA[Universidad Estatal a Distancia de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1659-42662019000300257</article-id>
<article-id pub-id-type="doi">10.22458/urj.v11i3.2579</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Selección de vacas Jersey y Holstein durante la lactancia según características fenotípicas: producción y reproducción]]></article-title>
<article-title xml:lang="en"><![CDATA[Jersey and Holstein cow selection during lactation ac-cording to phenotypic characteristics: production and reproduction]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villalobos Alvarez]]></surname>
<given-names><![CDATA[Juan Ml.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[WingChing-Jones]]></surname>
<given-names><![CDATA[Rodolfo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Impulso Pecuario  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>11</volume>
<numero>3</numero>
<fpage>257</fpage>
<lpage>271</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1659-42662019000300257&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1659-42662019000300257&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1659-42662019000300257&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Introducción: Asociar las características físicas de los animales en un sistema de producción es una herramienta que permite agrupar los animales que se adaptan a las condiciones de clima, topografía y manejo, sin afectar su productividad. Objetivo: Nuestro objetivo fue evaluar la relación de 17 variables físicas de 1 260 animales de las razas Holstein y Jersey; con su productividad en sistemas de producción de leche ubicados en las faldas del Volcán Poás, Alajuela Costa Rica durante los años 2013 y 2014. Metodología: Las fincas evaluadas presentaron similitud en el manejo de los animales, en la parte nutricional y en el aspecto sanitario. Para tal fin, recopilamos información de la producción diaria por vaca, la producción por lactancia ajustada a 305 días, el intervalo entre partos, los días abiertos, los días post parto al primer servicio y los servicios por concepción. Resultados: La estatura, la capacidad corporal, el carácter lechero, la fortaleza y el ángulo de anca son las partes de la vaca que más influencia tienen sobre el desempeño reproductivo. La conformación de la ubre no tiene influencia en los parámetros reproductivos, no se obtuvo diferencias estadísticas entre los diferentes puntajes para las características de ubre y los parámetros reproductivos, pero si se puede mencionar tendencias en ambas razas. La ubre está asociada a la producción de leche más que las patas y pezuñas. Conclusión: Los resultados de esta investigación son exploratorios, pero permiten visibilizar variables para definir un programa de selección voluntario de animales Holstein o Jersey durante el periodo de lactancia, que permita obtener animales que se adapten según las características de manejo, ambientales, nutricionales y sanitarias de cada sistema.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract &#8220;Jersey and Holstein cow selection during lactation according phenotypic characteristics: production and reproduction&#8221;. Introduction: Associating the physical characteristics of the animals within a production system is a tool to group animals that can adapt to climate, topography, and handling conditions, without an impact on their productivity. Objective: Our objective was to evaluate the relationship between 17 physical variables, from 1 260 animals of the Holstein and Jersey breeds, with their productivity in milk production systems located on the foothills of the Poás Volcano in Alajuela, Costa Rica, during the years 2013 and 2014. Methods: The nutritional and sanitary conditions of the studied farms were very similar. To this end we reconciled information of the daily production per cow, the lactation production adjusted to 305 days, the interval between calves, open days, postpartum days to the first service, and services for conception. Results: The height, physical capability, characteristics of the milk, strength, and rump angle are the parts of the cow that have the most influence on their reproductive performance. The conformation of the udder has no influence on the reproduction parameters, there are no statistical differences between the different scores for the characteristics of the udder and the reproductive parameters, but some trends of both breeds can be mentioned. The udder is more related to milk production than the legs and the hooves. Conclusions: The results of this research are exploratory, but they highlight variables that help define a voluntary selection program of Holstein or Jersey animals during the lactation period, which will help obtain animals that can adapt to the handling, environmental, nutritional, and sanitary characteristics of each system.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Milk production]]></kwd>
<kwd lng="en"><![CDATA[lineal measuring]]></kwd>
<kwd lng="en"><![CDATA[calving interval]]></kwd>
<kwd lng="en"><![CDATA[dairy character]]></kwd>
<kwd lng="en"><![CDATA[udder]]></kwd>
<kwd lng="en"><![CDATA[hooves]]></kwd>
<kwd lng="es"><![CDATA[Producción de leche]]></kwd>
<kwd lng="es"><![CDATA[evaluación lineal]]></kwd>
<kwd lng="es"><![CDATA[intervalo entre partos]]></kwd>
<kwd lng="es"><![CDATA[carácter lechero]]></kwd>
<kwd lng="es"><![CDATA[ubre]]></kwd>
<kwd lng="es"><![CDATA[pezuñas]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Astiz]]></surname>
<given-names><![CDATA[B. S.]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[M. J. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Ayala]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Monge]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[The influence of the pelvic conformation on the incidence of urovagina an epidemiological study]]></source>
<year>2002</year>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Berry]]></surname>
<given-names><![CDATA[D. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Buckley]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Dillon]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Evans]]></surname>
<given-names><![CDATA[R. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Veerkamp]]></surname>
<given-names><![CDATA[R. F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Genetic relationships among linear type traits, milk yield, body weight, fertility and somatic cell count in primiparous dairy cows.]]></article-title>
<source><![CDATA[Irish Journal of Agricultural and Food Research]]></source>
<year>2004</year>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Boettcher]]></surname>
<given-names><![CDATA[P. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Breeding for improvement of functional traits in dairy cattle]]></article-title>
<source><![CDATA[Italian Journal of Animal Science]]></source>
<year>2005</year>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Boettcher]]></surname>
<given-names><![CDATA[P. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Jairath]]></surname>
<given-names><![CDATA[L. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Koots]]></surname>
<given-names><![CDATA[K. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Dekkers]]></surname>
<given-names><![CDATA[J. C. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of interactions between type and milk production on survival traits of canadian holstein.]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>1997</year>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Caraviello]]></surname>
<given-names><![CDATA[D. Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Weigel]]></surname>
<given-names><![CDATA[K. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Giannola]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Analysis of the relationship between type traits and funtional survival in US Holstein catlle using a weibull proportional hazards model]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2004</year>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cue]]></surname>
<given-names><![CDATA[R. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Monardes]]></surname>
<given-names><![CDATA[H. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Hayes]]></surname>
<given-names><![CDATA[J. F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Relationships of calving ease with type traits]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>1990</year>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dadati]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Keneddy]]></surname>
<given-names><![CDATA[B. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Burnside]]></surname>
<given-names><![CDATA[E. B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Relationship between conformation and calving interval in Holstein Cows]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>1986</year>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dadpasand]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Zamiri]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Atashi]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Akhlaghi]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Genetic relationship of conformation traits with average somatic cell score at 150 and 350days in milk in Holstein cows of Iran.]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2012</year>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dechow]]></surname>
<given-names><![CDATA[C. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Rogers]]></surname>
<given-names><![CDATA[G. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Klei]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Lawlort]]></surname>
<given-names><![CDATA[T. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Heretabilities and correlations among body condition score, dairy form and selected linear type traits.]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2003</year>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dechow]]></surname>
<given-names><![CDATA[C. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Rogers]]></surname>
<given-names><![CDATA[G. W]]></given-names>
</name>
<name>
<surname><![CDATA[Sander-Nielsen]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
<name>
<surname><![CDATA[Klei]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Lawlor]]></surname>
<given-names><![CDATA[T. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Clay]]></surname>
<given-names><![CDATA[J. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Freeman]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Abdel-Azim]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Kuck]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Schnell]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Correlations among body condition scores from various sources, dairy form, and cow health from the United States and Denmark]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2004</year>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fatehi]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Stella]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Shannon]]></surname>
<given-names><![CDATA[J. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Boettcher]]></surname>
<given-names><![CDATA[P. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Genetic parameter for feet and leg traits evaluated in different environments]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2003</year>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ferguson]]></surname>
<given-names><![CDATA[J. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nutrition and reproduction in dairy cows]]></article-title>
<source><![CDATA[Veterinary Clinics of North America]]></source>
<year>1991</year>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ferguson]]></surname>
<given-names><![CDATA[J. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Galligan]]></surname>
<given-names><![CDATA[D. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Thomsen]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Principal descriptors of body condition scoring chart for Holstein dairy cows]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>1994</year>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gilmore]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effect of housing, age, breed and time after trimming on hoof measurements]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>1978</year>
</nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Greenough]]></surname>
<given-names><![CDATA[P. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Vermunt]]></surname>
<given-names><![CDATA[J. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of subclinical laminitis in a dairy herd and observations on associated nutritional and management factors]]></article-title>
<source><![CDATA[Veterinary Record]]></source>
<year>1991</year>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hansen]]></surname>
<given-names><![CDATA[L. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Cole]]></surname>
<given-names><![CDATA[J. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Marx]]></surname>
<given-names><![CDATA[G. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Seykora]]></surname>
<given-names><![CDATA[A. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Productive life and reasons for disposal of Holstein cows selected for large versus small body size]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>1999</year>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hansen]]></surname>
<given-names><![CDATA[L. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Freeman]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Berger]]></surname>
<given-names><![CDATA[P. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Association of heifer fertility and cow fertility and yield in dairy cattle]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>1983</year>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Henao]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Reactivación ovárica post parto en bovinos. Universidad Nacional de Colombia]]></article-title>
<source><![CDATA[Revista Facultad Nacional Agropecuaria Medellín]]></source>
<year>2001</year>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Holstein Association USA]]></surname>
<given-names><![CDATA[INC.]]></given-names>
</name>
</person-group>
<source><![CDATA[Holstein Association]]></source>
<year>2012</year>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[W. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Hansen]]></surname>
<given-names><![CDATA[L. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Chester-Jones]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Response of health care to selection for milk yield of dairy cattle.]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>1994</year>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lassen]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Hansen]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sorensen]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Aamand]]></surname>
<given-names><![CDATA[G. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Christensen]]></surname>
<given-names><![CDATA[L. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Madsen]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Genetic relationship between body condition score, dairy character, mastitis, and diseases other than mastitis in first &#8211; parity Danish Holstein cows.]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2003</year>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Laursen]]></surname>
<given-names><![CDATA[M. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Boelling]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Mark]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Genetic parameter for claw and leg health, foot and leg conformation, and locomotion in Danish Holstein.]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2009</year>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lyimo]]></surname>
<given-names><![CDATA[Z. C]]></given-names>
</name>
<name>
<surname><![CDATA[Nielen]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ouwltjes]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Kruip]]></surname>
<given-names><![CDATA[T. A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Van Eerdenburg]]></surname>
<given-names><![CDATA[J. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Relationship among estradiol, cortisol, and intensity of estrous behavior in dairy cattle.]]></article-title>
<source><![CDATA[Theriogenology]]></source>
<year>2000</year>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mena]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Estación 84030, Fraijanes, evaluación desde 1976 hasta el 2010.]]></source>
<year>2010</year>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Norman]]></surname>
<given-names><![CDATA[H. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Powell]]></surname>
<given-names><![CDATA[R. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Wright]]></surname>
<given-names><![CDATA[J. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Cassell]]></surname>
<given-names><![CDATA[B. G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phenotypic and genetic relationship between linear functional type traits and milk yield f or five breeds]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>1988</year>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Onyiro]]></surname>
<given-names><![CDATA[O. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Brotherstone]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Genetic analysis of locomotion and associated conformation traits of holstein-friesian dairy managed in different housing systems]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2008</year>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Perez-Cabal]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Alendra]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Genetic relationships between lifetime profit and type in Spanish Holstein cows]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2002</year>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rutter]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Puerperio Bovino]]></source>
<year>2002</year>
<publisher-loc><![CDATA[Buenos Aires, Argentina ]]></publisher-loc>
<publisher-name><![CDATA[Universidad de Buenos Aires]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sawa]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bogucki]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Krezel-Czopek]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Neja]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Relationship between conformation traits and lifetime production efficiency cows.]]></article-title>
<source><![CDATA[ISRN Veterinary Science]]></source>
<year>2013</year>
</nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schneider]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Durr]]></surname>
<given-names><![CDATA[J. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Cue]]></surname>
<given-names><![CDATA[R. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Monardes]]></surname>
<given-names><![CDATA[H. G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impact of type traits on functional herd life of Quebec Holstein assessed by survival analysis]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2003</year>
</nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sewalem]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Kistemaker]]></surname>
<given-names><![CDATA[G. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Miglior]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Van Doomaal]]></surname>
<given-names><![CDATA[B. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Analysis for the relationship between survival in Canada Holsteins using Weibull Proportional Hazards Model.]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2004</year>
</nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Seykora]]></surname>
<given-names><![CDATA[A. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Mc Daniel]]></surname>
<given-names><![CDATA[B. T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Heritabilities and correlations of lactation yields and fertility for Holstein]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>1983</year>
</nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Physiology of lactation.]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>1960</year>
</nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Somers]]></surname>
<given-names><![CDATA[J. G. C. J]]></given-names>
</name>
<name>
<surname><![CDATA[Frankena]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Noordhuizen-Stassen]]></surname>
<given-names><![CDATA[E. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Metz]]></surname>
<given-names><![CDATA[J. H. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalence of claw disorders in Dutch dairy cows exposed to several floor systems]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2003</year>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stamschror]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Seykora]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Hansen]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[University of Minnesota]]></source>
<year>2000</year>
</nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stevenson]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[What holds A.I. back these days.]]></article-title>
<source><![CDATA[Hoards Dairymen]]></source>
<year>2012</year>
</nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Uggla]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Jakobsen]]></surname>
<given-names><![CDATA[J. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Bergsten]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Eriksson]]></surname>
<given-names><![CDATA[J-A.]]></given-names>
</name>
<name>
<surname><![CDATA[Strandberg]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Swedish University of Agricultural Sciences, Suiza..]]></source>
<year>2008</year>
</nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vacek]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Stipkova]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Nemcova]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Bouska]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Relationships between conformation traits and longevity of Holstein cows in the Czech Republic.]]></article-title>
<source><![CDATA[Chez Journal Animal Science]]></source>
<year>2006</year>
</nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Van Der Waaij]]></surname>
<given-names><![CDATA[E. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Holzhauer]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ellen]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Kamphuis]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Jong]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Genetic parameters for claw disorders in Dutchdairy cattle and correlations with conformation traits.]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2005</year>
</nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Van Eerdenburg]]></surname>
<given-names><![CDATA[F. J. C. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Karthaus]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Taverne]]></surname>
<given-names><![CDATA[M. A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Merics]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Szencio]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The relationship between estrous behavioral score and time of ovulation in dairy cattle.]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2002</year>
</nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wall]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[White]]></surname>
<given-names><![CDATA[M. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Coffey]]></surname>
<given-names><![CDATA[M. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Brotherstone]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The relationship between fertility, rump angle, and selected type information in Holstein Friesian cows.]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2005</year>
</nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wall]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[White]]></surname>
<given-names><![CDATA[M. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Coffey]]></surname>
<given-names><![CDATA[M. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Brotherstone]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The relationship between body energy traits and production and fitness traits in first-lactation dairy cows.]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2007</year>
</nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Weiss]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Wenfurtner]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Bruckmaier]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Teat anatomy and its relationship in dairy cows.]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2004</year>
</nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zink]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Stipkova]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Lassen]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Genetic parameters for female fertility, locomotion, body condition score and linear type traits in Czech holstein cattle.]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2011</year>
</nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zwertvaegher]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[De Vliegher]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Verbist]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Van Nuffel]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Baert]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Van Nogenberg]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Short communication: Associations between teat dimension and milking-induced changes in teat dimensions and quarter milk somatic cell counts in dairy cows]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2013</year>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
