<?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>2007-7858</journal-id>
<journal-title><![CDATA[CienciaUAT]]></journal-title>
<abbrev-journal-title><![CDATA[CienciaUAT]]></abbrev-journal-title>
<issn>2007-7858</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma de Tamaulipas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-78582016000100044</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efecto de la sustitución de grasa de fritura por aceite vegetal y concentración energética en dietas para la producción de pollos de engorde]]></article-title>
<article-title xml:lang="en"><![CDATA[Effect of frying fat substitution by vegetable oil and energy concentration on diets for productive performance of broilers]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Orduña-Hernández]]></surname>
<given-names><![CDATA[Héctor Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salinas-Chavira]]></surname>
<given-names><![CDATA[Jaime]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montaño-Gómez]]></surname>
<given-names><![CDATA[Martin Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Infante-Rodríguez]]></surname>
<given-names><![CDATA[Fidel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Manríquez-Núñez]]></surname>
<given-names><![CDATA[Olga Maritza]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-Sauceda]]></surname>
<given-names><![CDATA[María de la Luz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Yado-Puente]]></surname>
<given-names><![CDATA[Rolando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Tamaulipas Facultad de Medicina Veterinaria y Zootecnia ]]></institution>
<addr-line><![CDATA[Ciudad Victoria Tamaulipas]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Baja California Instituto de Investigaciones en Ciencias Veterinarias ]]></institution>
<addr-line><![CDATA[Campestre Mexicali]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<volume>10</volume>
<numero>2</numero>
<fpage>44</fpage>
<lpage>51</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-78582016000100044&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-78582016000100044&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-78582016000100044&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: En la dieta de pollos de engorde se adicionan lípidos para mejorar su eficiencia productiva, generalmente grasa de fritura (GF), reciclada de restaurantes, por tener menor costo que el aceite vegetal (AV). El objetivo de este trabajo fue evaluar el efecto de la sustitución de GF por AV en dietas estándar (DEE) y dietas altas en energía (DAE) sobre el comportamiento productivo de pollos de engorde. Se alimentó durante 42 d a 200 pollos mixtos ROSS, de un día de edad y peso promedio de 37.2 g ± 0.89 g. El estudio se realizó en dos fases de 21 d: inicio y acabado. Se usó un diseño experimental al azar con arreglo factorial 2 x 2 con la fuente de lípidos (GF y AV), la concentración de energía (DEE y DAE) y su interacción como efectos principales. La energía metabolizable en la fase de inicio fue 2 994 kcal/kg y 3 013 kcal/kg, y en la fase de acabado fue 3 081 kcal/ kg y 3 111 kcal/kg en DEE y DAE, respectivamente. La fuente de lípidos no influyó (P &gt; 0.05) sobre las variables de estudio. En la fase de inicio, los pollos alimentados con la DAE ganaron más peso y mostraron mejor conversión alimenticia (P &lt; 0.05) que los pollos en la DEE, aunque el consumo de alimento fue similar (P &gt; 0.05). En la fase de acabado, los pollos alimentados con la DAE ganaron más peso (P &lt; 0.05) y consumieron más alimento (P &lt; 0.05) que los pollos alimentados con la DEE. No se observó efecto de la concentración de energía sobre la conversión alimenticia (P &gt; 0.05). Se concluyó que la fuente de lípidos no influyó en los parámetros productivos, pero el incremento en concentración energética mejoró significativamente el comportamiento productivo de los pollos de engorde.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Lipids are often added to the diet of broilers in order to improve their productive efficiency. The most widely used variety of lipids is frying fat (FF), usually recycled from restaurants, as its cost is lower than that of vegetable oil (VO). The aim of this study was to evaluate the effect of FF substitution by VO in standard (SED) and high energy (HED) diets on broiler's growth performance. To that aim, a total of 200 one-day-old mixed ROSS broilers (37.2 g ± 0.89 g) were fed during 42 d with two phases (starting and finishing) of 21 d each. The experimental design in each phase was completely randomized with 4 treatments with 2 x 2 factorial arrangement with the lipid source (FF and VO), the energy levels (SED and HED), and their interaction as main effects. The metabolizable energy (ME) in the starting phase was 2 994 kcal/kg and 3013 kcal/kg, and in the finishing phase was 3 081 kcal/kg and 3 111 kcal /kg in SED and HED, respectively. The lipid source (VO vs FF) did not inluence (P &gt; 0.05) on the stu died variables. In the starting phase, broilers fed with the HED gained more weight and showed better feed conversion (P &lt; 0.05) than birds in SED, while feed intake was similar (P &gt; 0.05) among broilers in two diets. For the finishing phase, broilers fed with the HED gained more body weight (P &lt; 0.05) with higher feed intake (P &lt; 0.05) than birds fed with the SED; no effect of energy concentration on feed conversion (P &gt; 0. 05) was observed. It was concluded that lipid source did not inluence on productive parameters, but the increase in energy concentration significantly improved the productive performance of broilers.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[fuente de lípidos]]></kwd>
<kwd lng="es"><![CDATA[concentración energética]]></kwd>
<kwd lng="es"><![CDATA[pollos de engorde]]></kwd>
<kwd lng="es"><![CDATA[comportamiento productivo]]></kwd>
<kwd lng="en"><![CDATA[source of lipids]]></kwd>
<kwd lng="en"><![CDATA[energy concentration]]></kwd>
<kwd lng="en"><![CDATA[broilers]]></kwd>
<kwd lng="en"><![CDATA[growth performance]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The relationship between guanidino acetic acid and metabolizable energy level of diets on performance of broiler chickens]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alaeldein]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Fuad]]></surname>
<given-names><![CDATA[S. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Lemme]]></surname>
<given-names><![CDATA[H. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Zakaria]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Italian Journal of Animal Science]]></source>
<year>2014</year>
<volume>13</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>548-56</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Mexico-Poultry and Products Semi-annual Sector Integration and Strong Demand Continue]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Branson]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Global Agricultural Information Network]]></source>
<year>2012</year>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Health aspects of thermoxidized oils and fats]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Billek]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[European Journal of Lipid Science and Technology]]></source>
<year>2000</year>
<volume>102</volume>
<page-range>587-93</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Díaz]]></surname>
<given-names><![CDATA[O. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Grasa amarilla y aceite de palma en un mismo tanque, en Engormix]]></source>
<year>2012</year>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[El por qué de la eficacia de la mezcla de grasas y aceites en la alimentación avícola]]></source>
<year>2013</year>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Freeman]]></surname>
<given-names><![CDATA[C. P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Digestion and absorption of fat]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Bookman]]></surname>
<given-names><![CDATA[K. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Freeman]]></surname>
<given-names><![CDATA[B.M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Digestion in the fowl]]></source>
<year>1976</year>
<page-range>117-42</page-range><publisher-loc><![CDATA[Edinburgh ]]></publisher-loc>
<publisher-name><![CDATA[UK. British Poultry Science]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Effect of micelle formation on the absorption of neutral and fatty acids by the chicken]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Garrett]]></surname>
<given-names><![CDATA[R. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Young]]></surname>
<given-names><![CDATA[R. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Nutrition]]></source>
<year>1975</year>
<volume>105</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>827-38</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Effect of energy source and level on the length of intestinal villi, immune response and the production performance in broilers]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Itzá-Ortiz]]></surname>
<given-names><![CDATA[M. F.]]></given-names>
</name>
<name>
<surname><![CDATA[López-Coello]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ávila-González]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez-Rosales]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Arce-Menocal]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Velásquez-Madrazo]]></surname>
<given-names><![CDATA[P. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Veterinaria México]]></source>
<year>2008</year>
<volume>39</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>357-76</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Effect of butylated hydroxyanisole (BHA) and butylated hydroxytoluene (BHT) on rat erythrocytes]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jayalakshmi]]></surname>
<given-names><![CDATA[C. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Sharma]]></surname>
<given-names><![CDATA[J. D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Environ Research]]></source>
<year>1986</year>
<volume>41</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>235-8</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Toxicology of the synthetic antioxidants BHA and BHT in comparison with the natural antioxidant vitamin E]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kahl]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Kappus]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Zeitschrift fur Lebensmittel-untersuchung undforschung]]></source>
<year>1993</year>
<volume>196</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>329-38</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="">
<article-title xml:lang=""><![CDATA[El Mercado de los Aceites Vegetales en la Comunidad de Madrid. Situación y líneas de mejora]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lamela]]></surname>
<given-names><![CDATA[F. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Documentos Técnicos de Salud Pública]]></source>
<year>2005</year>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mack]]></surname>
<given-names><![CDATA[J. O.]]></given-names>
</name>
</person-group>
<source><![CDATA[Impacto de la Nutrición de Pollos de Engorde sobre el Medio Ambiente]]></source>
<year>2005</year>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Effect of Different Levels of Dietary Protein and Energy on the Growth and Slaughter Performance at, Hybro PN+" Broiler Chickens]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Marcu]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Vacaru-Opris]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Marcu]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Nicula]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Dronca]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Kelciov]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Animal Science and Biotechnologies]]></source>
<year>2012</year>
<volume>45</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>424-31</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Desarrollo de una técnica para la detección in vitro de la presencia de antibióticos en muestras de hígado de res, cerdo y pollo]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Monroy-Torres]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Linares-Segovia]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez-Gómez]]></surname>
<given-names><![CDATA[X. S.]]></given-names>
</name>
</person-group>
<source><![CDATA[CienciaUAT]]></source>
<year>2015</year>
<volume>9</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>68-73</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="book">
<collab>NRC, National Research Council</collab>
<source><![CDATA[Nutrient Requirements of Poultry]]></source>
<year>1994</year>
<edition>Ninth</edition>
<publisher-loc><![CDATA[Washington, D. C. ]]></publisher-loc>
<publisher-name><![CDATA[National Academy Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Factores que influyen en el valor nutricional de las g rasas utilizadas en las dietas para bovinos de engorda en confinamiento]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Plascencia]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Mendoza]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Vásquez]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Zinn]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Interciencia]]></source>
<year>2005</year>
<volume>30</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>134-42</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="">
<collab>ROSS, Suplemento de Nutrición del Pollo de Engorde</collab>
<source><![CDATA[Manual de Manejo del Pollo de Engorde Ross]]></source>
<year>2009</year>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Ajuste preciso do nível de energia na dieta de frangos de corte para controle do desempenho e da composição lipídica da carne]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Franke]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Garcia]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Giglio]]></surname>
<given-names><![CDATA[E. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Angélica]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Carvalho]]></surname>
<given-names><![CDATA[I. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Gomes]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ciência Rural]]></source>
<year>2015</year>
<volume>45</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>104-10</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Digestion and absorption of lipids in chicks fed triglycerides or free fatty acids: Synthesis of monoglycerides in the intestine]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sklan]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Poultry Science]]></source>
<year>1979</year>
<volume>58</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>885-9</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Different sources and levels of vegetable oils in broiler chicken nutrition]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stanacev]]></surname>
<given-names><![CDATA[V. Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Milic]]></surname>
<given-names><![CDATA[VD.]]></given-names>
</name>
<name>
<surname><![CDATA[Milosevic]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Stanacev]]></surname>
<given-names><![CDATA[V. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Pavlovski]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Skrbic]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Puvaca]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<source><![CDATA[Biotechnology in Animal Husbandry]]></source>
<year>2013</year>
<volume>29</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>321-9</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="">
<collab>UNA, Unión Nacional de Avicultores</collab>
<source><![CDATA[Crecerá 2.5 % la avicultura mexicana]]></source>
<year>2015</year>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Effects of feeding oxidized fat with or without dietary antioxidants on nutrient digestibility, microbial nitrogen, and fatty acid metabolism]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vázquez-Añón]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Jenkins]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2007</year>
<volume>90</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>4361-867</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Effects of feeding a dietary antioxidant in diets with oxidized fat on lactation performance and antioxidant status of the cow]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vázquez-Añón]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Nocek]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Bowman]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Hampton]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Atwell]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Vázquez]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Jenkins]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2008</year>
<volume>91</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>3165-72</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Comparison of two blended animal-vegetable fats having low or high free fatty acid content]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Waldroup]]></surname>
<given-names><![CDATA[P. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Watkins]]></surname>
<given-names><![CDATA[S. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Saleh]]></surname>
<given-names><![CDATA[E. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Applied Poultry Research]]></source>
<year>1995</year>
<volume>4</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>41-8</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Prediction of the apparent metabolizable energy content of fats fed to broiler chicks]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wiseman]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Salvador]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Craigon]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Poultry Science]]></source>
<year>1991</year>
<volume>70</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>1527-33</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[¿Qué tan competitiva es la avicultura mexicana?]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wright]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[elsitioavicola.com]]></source>
<year>2013</year>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Effects of the free fatty acid content in yellow grease on performance, carcass characteristics, and serum lipids in broilers]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Gong]]></surname>
<given-names><![CDATA[L. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[J. T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Poultry Science]]></source>
<year>2011</year>
<volume>90</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1992-8</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
