<?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>2448-6760</journal-id>
<journal-title><![CDATA[Veterinaria México OA]]></journal-title>
<abbrev-journal-title><![CDATA[Veterinaria México OA]]></abbrev-journal-title>
<issn>2448-6760</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Medicina Veterinaria y Zootecnia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-67602018000200002</article-id>
<article-id pub-id-type="doi">10.21753/vmoa.5.2.482</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Non-inferiority trial of two commercial zilpaterol HCl brands in Bos indicus cattle under humid tropical conditions]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nieto-Carmona]]></surname>
<given-names><![CDATA[Agustín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar-Acevedo]]></surname>
<given-names><![CDATA[Jeny]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rubio]]></surname>
<given-names><![CDATA[María de la Salud]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alvarado-García]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tapia]]></surname>
<given-names><![CDATA[Graciela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ocampo]]></surname>
<given-names><![CDATA[Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sumano]]></surname>
<given-names><![CDATA[Héctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Medicina Veterinaria y Zootecnia Departmento de Fisiología y Farmacología]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,PiSA Agropecuaria S.A. de C.V.  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Medicina Veterinaria y Zootecnia Centro de Enseñanza Práctica e Investigación en Producción y Sanidad Animal]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Medicina Veterinaria y Zootecnia Departmento de Genética y Bioestadística]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<volume>5</volume>
<numero>2</numero>
<fpage>0</fpage>
<lpage>0</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-67602018000200002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-67602018000200002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-67602018000200002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Commercial availability of a generic zilpaterol HCl (ZH) premix preparation for beef cattle in Mexico motivated a non-inferiority trial vs the reference preparation. The trial was conducted on zebu-type cattle (Bos indicus) under humid tropical conditions. Meat production and basic meat quality were assessed for 810 zebu bulls, aged 18-22 months and weighing 430 to 490 kg. Bulls were randomly assigned into one of three groups: ZHg, treated with the generic ZH (Zipamix®) preparation; ZHr, treated with the reference ZH (Zilmax®) preparation, and Cg, the untreated control group. Housing, shade surface, feeding and water availability were highly homogeneous between the animals&#8217; pens. Results for the measured productive and meat quality parameters showed that both ZH-treated groups had higher values than the Cg (P &lt; 0.05), and differences between the ZHg and ZHr groups were not statistically significant, thus fulfilling the criteria of a non-inferior ZH preparation. In this assay, ZH supplementation did not modify the amounts of moisture, fat, protein or ash in the Longissimus dorsi muscle compared with the meat from non-supplemented animals, and the overall meat acceptability was unaffected (P &gt; 0.05).]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Beef cattle]]></kwd>
<kwd lng="en"><![CDATA[carcass-yield]]></kwd>
<kwd lng="en"><![CDATA[meat-quality]]></kwd>
<kwd lng="en"><![CDATA[non-inferiority]]></kwd>
<kwd lng="en"><![CDATA[humid-tropic]]></kwd>
<kwd lng="en"><![CDATA[zilpaterol hydrochloride]]></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[Hwang]]></surname>
<given-names><![CDATA[IK]]></given-names>
</name>
<name>
<surname><![CDATA[Morikawa]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Design issues in noninferiority/equivalence trials]]></article-title>
<source><![CDATA[Drug Inf. J.]]></source>
<year>1999</year>
<volume>33</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1205-18</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="">
<collab>FAO</collab>
<source><![CDATA[Overview of the world meat market]]></source>
<year>2015</year>
</nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="">
<collab>FDA</collab>
<source><![CDATA[Freedom of information summary. Original new animal drug application NADA 141-258. ZILMAX (zilpaterol hydrochloride). Type A medicated article for cattle fed in confinement for slaughter]]></source>
<year>2006</year>
</nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="">
<source><![CDATA[Norma Oficial Mexicana. NOM-EM-015-ZOO-2002. Especificaciones técnicas para el testigo del uso de beta-agonistas en los animales]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Avendaño]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[RV]]></given-names>
</name>
<name>
<surname><![CDATA[Meraz]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
<name>
<surname><![CDATA[Perez]]></surname>
<given-names><![CDATA[LC]]></given-names>
</name>
<name>
<surname><![CDATA[Figueroa]]></surname>
<given-names><![CDATA[SF]]></given-names>
</name>
<name>
<surname><![CDATA[Alvarez]]></surname>
<given-names><![CDATA[VF]]></given-names>
</name>
<name>
<surname><![CDATA[Correa]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
<name>
<surname><![CDATA[Robinson]]></surname>
<given-names><![CDATA[PH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Meat quality of steers treated with two beta-adrenergic agonists]]></article-title>
<source><![CDATA[Proc. West Sec. ASAS]]></source>
<year>2006</year>
<volume>57</volume>
<page-range>211-5</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="">
<collab>CFIA</collab>
<source><![CDATA[Zilpaterol Hydrochloride - MIB #83]]></source>
<year>2009</year>
</nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Plascencia]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Torrentera]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Zinn]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of the &#946;-agonist, zilpaterol, on growth performance and carcass characteristics of feedlot steers]]></article-title>
<source><![CDATA[Proc. West. ASAS]]></source>
<year>1999</year>
<volume>50</volume>
<page-range>331-4</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oneida]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Fuenmayor]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Zamorano]]></surname>
<given-names><![CDATA[GL]]></given-names>
</name>
<name>
<surname><![CDATA[Ysunza]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzalez]]></surname>
<given-names><![CDATA[MN]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto del clorhidrato de zilpaterol y la vitamina D3 sobre la calidad de la carne en novillas comerciales]]></article-title>
<source><![CDATA[Revista científica, FCV-LUZ]]></source>
<year>2002</year>
<volume>XII</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>725-9</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rathmann]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
<name>
<surname><![CDATA[Mehaffey]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Baxa]]></surname>
<given-names><![CDATA[TJ]]></given-names>
</name>
<name>
<surname><![CDATA[Nichols]]></surname>
<given-names><![CDATA[WT]]></given-names>
</name>
<name>
<surname><![CDATA[Yates]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Hutcheson]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Brooks]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[BJ]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of duration of zilpaterol hydrochloride and days on the finishing diet on carcass cutability, composition, tenderness, and skeletal muscle gene expression in feedlot steers]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2009</year>
<volume>87</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>3686-701</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[Garmyn]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Implant and beta agonist impact on meat palatability]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2014</year>
<volume>92</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>10-20</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Van Hoof]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Schilt]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Van Der Vlis]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Boshuis]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Van Baak]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[De Wasch]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Van de Wiele]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Van Hende]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Courtheyn]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Draaijer]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[De Brabander]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Detection of zilpaterol (zilmax®) in calf urine and faeces with liquid chromatography-tandem mass spectrometry]]></article-title>
<source><![CDATA[Anal. Chim. Acta]]></source>
<year>2005</year>
<volume>529</volume>
<page-range>189-97</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="">
<collab>INTERVET</collab>
<source><![CDATA[Productividad animal. Boletín veterinario de intervet]]></source>
<year>2005</year>
</nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Méndez]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
<name>
<surname><![CDATA[Meza]]></surname>
<given-names><![CDATA[CO]]></given-names>
</name>
<name>
<surname><![CDATA[Berruecos]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Garcés]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Delgado]]></surname>
<given-names><![CDATA[EJ]]></given-names>
</name>
<name>
<surname><![CDATA[Rubio]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A survey of beef carcass quality and quantity attributes in Mexico]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2009</year>
<volume>87</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>3782-90</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[Avendaño]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[Meraz]]></surname>
<given-names><![CDATA[MFJ]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[LC]]></given-names>
</name>
<name>
<surname><![CDATA[Figueroa]]></surname>
<given-names><![CDATA[SF]]></given-names>
</name>
<name>
<surname><![CDATA[Correa]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Álvarez]]></surname>
<given-names><![CDATA[VFD]]></given-names>
</name>
<name>
<surname><![CDATA[Guerra]]></surname>
<given-names><![CDATA[LJE]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[RG]]></given-names>
</name>
<name>
<surname><![CDATA[Macías]]></surname>
<given-names><![CDATA[CU]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of the efficacy of Grofactor, a beta-adrenergic agonist based on zilpaterol hydrochloride, using feedlot finishing bulls]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2016</year>
<volume>94</volume>
<page-range>2954-61</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="">
<source><![CDATA[Norma Oficial Mexicana. NOM-051-ZOO-1995. Trato humanitario en la movilización de animales]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="">
<source><![CDATA[NORMA Oficial Mexicana. NOM-033-ZOO-1995. Sacrificio humanitario de los animales domésticos y silvestres]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="">
<collab>VICH GL9 (GCP)</collab>
<source><![CDATA[Pharmaceuticals, Efficacy, Good clinical practice. trilateral (EU-Japan-USA) programme. June 2000 - Implemented in July 2001]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="">
<collab>INEGI</collab>
<source><![CDATA[Compendio de información geográfica municipal. 2010. Topografía; productos y servicios]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="">
<source><![CDATA[Köppen-Geiger. Clasificación climática de koppen. 1936]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castellanos]]></surname>
<given-names><![CDATA[RAF]]></given-names>
</name>
<name>
<surname><![CDATA[Rosado]]></surname>
<given-names><![CDATA[RJG]]></given-names>
</name>
<name>
<surname><![CDATA[Chel]]></surname>
<given-names><![CDATA[GLA]]></given-names>
</name>
<name>
<surname><![CDATA[Betancur]]></surname>
<given-names><![CDATA[ADA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Empleo del zilpaterol en novillos con alimentación intensiva en Yucatán, México]]></article-title>
<source><![CDATA[Arch. Latinoam. Prod. Anim.]]></source>
<year>2006</year>
<volume>14</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>56-9</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Avendaño]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[Meraz]]></surname>
<given-names><![CDATA[MFJ]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[LC]]></given-names>
</name>
<name>
<surname><![CDATA[Figueroa]]></surname>
<given-names><![CDATA[SF]]></given-names>
</name>
<name>
<surname><![CDATA[Correa]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Álvarez]]></surname>
<given-names><![CDATA[VFD]]></given-names>
</name>
<name>
<surname><![CDATA[Guerra]]></surname>
<given-names><![CDATA[LJE]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[RG]]></given-names>
</name>
<name>
<surname><![CDATA[Macías]]></surname>
<given-names><![CDATA[CU]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of the efficacy of Grofactor, a beta-adrenergic agonist based on zilpaterol hydrochloride, using feedlot finishing bulls]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2016</year>
<volume>4</volume>
<page-range>2954-61</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Irving]]></surname>
<given-names><![CDATA[KH]]></given-names>
</name>
<name>
<surname><![CDATA[Toshihiko]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Design issues in noninferiority/equivalence trials]]></article-title>
<source><![CDATA[Drug Inf. J.]]></source>
<year>1999</year>
<volume>33</volume>
<page-range>1205-18</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="">
<source><![CDATA[Norma Oficial Mexicana. NOM-009-Z00-1994. Proceso sanitario de la carne]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="">
<source><![CDATA[Norma Oficial Mexicana. NOM-033-SAG/ZOO-2014. Métodos para dar muerte a los animales domésticos y silvestres]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="">
<collab>Association of Official Analytical Chemists</collab>
<source><![CDATA[Official methods of analysis]]></source>
<year>1990</year>
<edition>15</edition>
<publisher-loc><![CDATA[Arlington, Virginia ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="">
<collab>American Meat Science Association</collab>
<source><![CDATA[Research guidelines for cookery, sensory evaluation, and instrumental tenderness measurements of meat]]></source>
<year>2015</year>
<edition>2</edition>
<publisher-loc><![CDATA[Champaing, Illinois ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[D&#8217;Agostino]]></surname>
<given-names><![CDATA[RB]]></given-names>
</name>
<name>
<surname><![CDATA[Massaroand]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Sullivan]]></surname>
<given-names><![CDATA[LM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Non-inferiority trials: design concepts and issues - the encounters of academic consultants in statistics]]></article-title>
<source><![CDATA[Statist. Med.]]></source>
<year>2003</year>
<volume>22</volume>
<page-range>169-86</page-range></nlm-citation>
</ref>
<ref id="B28">
<label>28</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McCulloch]]></surname>
<given-names><![CDATA[CE]]></given-names>
</name>
<name>
<surname><![CDATA[Searle]]></surname>
<given-names><![CDATA[SE]]></given-names>
</name>
<name>
<surname><![CDATA[Neuhaus]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
</person-group>
<source><![CDATA[Generalized, linear, and mixed models]]></source>
<year>2006</year>
<edition>2</edition>
<publisher-loc><![CDATA[West Sussex, UK ]]></publisher-loc>
<publisher-name><![CDATA[Ed. Wiley]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B29">
<label>29</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Littell]]></surname>
<given-names><![CDATA[RC]]></given-names>
</name>
<name>
<surname><![CDATA[Milliken]]></surname>
<given-names><![CDATA[GA]]></given-names>
</name>
<name>
<surname><![CDATA[Stroup]]></surname>
<given-names><![CDATA[WW]]></given-names>
</name>
<name>
<surname><![CDATA[Wolfinger]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
</person-group>
<source><![CDATA[SAS® System for mixed models]]></source>
<year>1996</year>
<page-range>31&#8722;63</page-range><publisher-loc><![CDATA[Cary, NC ]]></publisher-loc>
<publisher-name><![CDATA[SAS Inst. Inc.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B30">
<label>30</label><nlm-citation citation-type="book">
<collab>IBM</collab>
<source><![CDATA[SPSS Statistics®. Version 21 for Windows®]]></source>
<year></year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[IBM]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B31">
<label>31</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shapiro]]></surname>
<given-names><![CDATA[SS]]></given-names>
</name>
<name>
<surname><![CDATA[Wilk]]></surname>
<given-names><![CDATA[MB]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[An analysis of variance test for normality (complete samples)]]></article-title>
<source><![CDATA[Biometrika]]></source>
<year>1965</year>
<volume>52</volume>
<page-range>591&#8722;611</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[Vestergaard]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Sejrsen]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Klastrup]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Growth, composition and eating quality of Longissimus dorsi from young bulls fed the &#946;-agonist cimaterol at consecutive developmental stages]]></article-title>
<source><![CDATA[Meat Sci.]]></source>
<year>1994</year>
<volume>38</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>55&#8722;66</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[Avendaño]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[RV]]></given-names>
</name>
<name>
<surname><![CDATA[Meraz]]></surname>
<given-names><![CDATA[MFJ]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[LC]]></given-names>
</name>
<name>
<surname><![CDATA[Figueroa]]></surname>
<given-names><![CDATA[SF]]></given-names>
</name>
<name>
<surname><![CDATA[Robinson]]></surname>
<given-names><![CDATA[PH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of two &#946;-adrenergic agonists on finishing performance, carcass characteristics, and meat quality of feedlot steers]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2006</year>
<volume>84</volume>
<page-range>3259-65</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[Kellermeier]]></surname>
<given-names><![CDATA[JD]]></given-names>
</name>
<name>
<surname><![CDATA[Tittor]]></surname>
<given-names><![CDATA[AW]]></given-names>
</name>
<name>
<surname><![CDATA[Brooks]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Galyean]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
<name>
<surname><![CDATA[Yates]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Hutcheson]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Nichols]]></surname>
<given-names><![CDATA[WT]]></given-names>
</name>
<name>
<surname><![CDATA[Streeter]]></surname>
<given-names><![CDATA[MN]]></given-names>
</name>
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[BJ]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of zilpaterol hydrochloride with or without an estrogen-trenbolone acetate terminal implant on carcass traits, retail cutout, tenderness, and muscle fiber diameter in finishing steers]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2009</year>
<volume>87</volume>
<page-range>3702-11</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[Montgomery]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Krehbiel]]></surname>
<given-names><![CDATA[CR]]></given-names>
</name>
<name>
<surname><![CDATA[Craston]]></surname>
<given-names><![CDATA[JJ]]></given-names>
</name>
<name>
<surname><![CDATA[Yates]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Hutcheson]]></surname>
<given-names><![CDATA[JJ]]></given-names>
</name>
<name>
<surname><![CDATA[Nichols]]></surname>
<given-names><![CDATA[WT]]></given-names>
</name>
<name>
<surname><![CDATA[Streeter]]></surname>
<given-names><![CDATA[MN]]></given-names>
</name>
<name>
<surname><![CDATA[Bechtol]]></surname>
<given-names><![CDATA[DT]]></given-names>
</name>
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Terhune]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Montgomery]]></surname>
<given-names><![CDATA[TH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Dietary zilpaterol hydrochloride. I. Feedlot performance and carcass traits of steers and heifers]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2009</year>
<volume>87</volume>
<page-range>1374-83</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[Baxa]]></surname>
<given-names><![CDATA[TJ]]></given-names>
</name>
<name>
<surname><![CDATA[Hutchenson]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
<name>
<surname><![CDATA[Brooks]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Nicholset]]></surname>
<given-names><![CDATA[WT]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Additive effects of a steroidal implant and zilpaterol hydrochloride on feedlot performance, carcass characteristics, and skeletal muscle messenger ribonucleic acid abundance in finishing steers]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2010</year>
<volume>88</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>330-7</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[Garmyn]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
<name>
<surname><![CDATA[Shock]]></surname>
<given-names><![CDATA[JN]]></given-names>
</name>
<name>
<surname><![CDATA[Van Overbeke]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
<name>
<surname><![CDATA[Beckett]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Delmore]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
<name>
<surname><![CDATA[Yates]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Allen]]></surname>
<given-names><![CDATA[DM]]></given-names>
</name>
<name>
<surname><![CDATA[Hilton]]></surname>
<given-names><![CDATA[GG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effects of zilpaterol hydrochloride on carcass cutability and tenderness of calf-fed Holstein steers]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2010</year>
<volume>88</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>2476-85</page-range></nlm-citation>
</ref>
<ref id="B38">
<label>38</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lawrence]]></surname>
<given-names><![CDATA[TE]]></given-names>
</name>
<name>
<surname><![CDATA[Gasch]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
<name>
<surname><![CDATA[Hutcheson]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Hodgen]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Zilpaterol improves feeding performance and fabrication yield of concentrate-finished cull cows]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2011</year>
<volume>89</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>2170-5</page-range></nlm-citation>
</ref>
<ref id="B39">
<label>39</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rathmann]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
<name>
<surname><![CDATA[Bernhard]]></surname>
<given-names><![CDATA[BC]]></given-names>
</name>
<name>
<surname><![CDATA[Swingle]]></surname>
<given-names><![CDATA[RS]]></given-names>
</name>
<name>
<surname><![CDATA[Lawrence]]></surname>
<given-names><![CDATA[TE]]></given-names>
</name>
<name>
<surname><![CDATA[Nichols]]></surname>
<given-names><![CDATA[WT]]></given-names>
</name>
<name>
<surname><![CDATA[Yates]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Hutcheson]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Streeter]]></surname>
<given-names><![CDATA[MN]]></given-names>
</name>
<name>
<surname><![CDATA[Brooks]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[BJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of zilpaterol hydrochloride and days on the finishing diet on feedlot performance, carcass characteristics, and tenderness in beef heifers]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2012</year>
<volume>90</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>3301-11</page-range></nlm-citation>
</ref>
<ref id="B40">
<label>40</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Choi]]></surname>
<given-names><![CDATA[CB]]></given-names>
</name>
<name>
<surname><![CDATA[Jung]]></surname>
<given-names><![CDATA[KK]]></given-names>
</name>
<name>
<surname><![CDATA[Chung]]></surname>
<given-names><![CDATA[KY]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[BS]]></given-names>
</name>
<name>
<surname><![CDATA[Chin]]></surname>
<given-names><![CDATA[KB]]></given-names>
</name>
<name>
<surname><![CDATA[Suh]]></surname>
<given-names><![CDATA[SW]]></given-names>
</name>
<name>
<surname><![CDATA[Oh]]></surname>
<given-names><![CDATA[DH]]></given-names>
</name>
<name>
<surname><![CDATA[Jeon]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
<name>
<surname><![CDATA[Baek]]></surname>
<given-names><![CDATA[KH]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[SO]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[SI]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[YH]]></given-names>
</name>
<name>
<surname><![CDATA[Yates]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Hutcheson]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[BJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Administration of zilpaterol hydrochloride alters feedlot performance, carcass characteristics, muscle, and fat pro&#64257;ling in &#64257;nishing Hanwoo steers]]></article-title>
<source><![CDATA[Livestock Science]]></source>
<year>2013</year>
<volume>157</volume>
<page-range>435-41</page-range></nlm-citation>
</ref>
<ref id="B41">
<label>41</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arp]]></surname>
<given-names><![CDATA[TS]]></given-names>
</name>
<name>
<surname><![CDATA[Howard]]></surname>
<given-names><![CDATA[ST]]></given-names>
</name>
<name>
<surname><![CDATA[Woerner]]></surname>
<given-names><![CDATA[DR]]></given-names>
</name>
<name>
<surname><![CDATA[Scanga]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[McKenna]]></surname>
<given-names><![CDATA[DR]]></given-names>
</name>
<name>
<surname><![CDATA[Kolath]]></surname>
<given-names><![CDATA[WH]]></given-names>
</name>
<name>
<surname><![CDATA[Chapman]]></surname>
<given-names><![CDATA[PL]]></given-names>
</name>
<name>
<surname><![CDATA[Tatum]]></surname>
<given-names><![CDATA[JD]]></given-names>
</name>
<name>
<surname><![CDATA[Belk]]></surname>
<given-names><![CDATA[KE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of dietary ractopamine hydrochloride and zilpaterol hydrochloride supplementation on performance, carcass traits, and carcass cutability in beef steers]]></article-title>
<source><![CDATA[J Anim Sci.]]></source>
<year>2014</year>
<volume>92</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>836-43</page-range></nlm-citation>
</ref>
<ref id="B42">
<label>42</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Elam]]></surname>
<given-names><![CDATA[NA]]></given-names>
</name>
<name>
<surname><![CDATA[Vasconcelos]]></surname>
<given-names><![CDATA[JT]]></given-names>
</name>
<name>
<surname><![CDATA[Hilton]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[VanOverbeke]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
<name>
<surname><![CDATA[Lawrence]]></surname>
<given-names><![CDATA[TE]]></given-names>
</name>
<name>
<surname><![CDATA[Montgomery]]></surname>
<given-names><![CDATA[TH]]></given-names>
</name>
<name>
<surname><![CDATA[Nichols]]></surname>
<given-names><![CDATA[WT]]></given-names>
</name>
<name>
<surname><![CDATA[Streeter]]></surname>
<given-names><![CDATA[MN]]></given-names>
</name>
<name>
<surname><![CDATA[Hutcheson]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Yates]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Galyean]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of zilpaterol hydrochloride duration of feeding on performance and carcass characteristics of feedlot cattle]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2009</year>
<volume>87</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>2133-41</page-range></nlm-citation>
</ref>
<ref id="B43">
<label>43</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Holmer]]></surname>
<given-names><![CDATA[SF]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández-Dueñas]]></surname>
<given-names><![CDATA[DM]]></given-names>
</name>
<name>
<surname><![CDATA[Scramlin]]></surname>
<given-names><![CDATA[SM]]></given-names>
</name>
<name>
<surname><![CDATA[Souza]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Boler]]></surname>
<given-names><![CDATA[DD]]></given-names>
</name>
<name>
<surname><![CDATA[McKeith]]></surname>
<given-names><![CDATA[FK]]></given-names>
</name>
<name>
<surname><![CDATA[Killefer]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Delmore]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
<name>
<surname><![CDATA[Beckett]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Lawrence]]></surname>
<given-names><![CDATA[TE]]></given-names>
</name>
<name>
<surname><![CDATA[VanOverbeke]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
<name>
<surname><![CDATA[Hilton]]></surname>
<given-names><![CDATA[GG]]></given-names>
</name>
<name>
<surname><![CDATA[Dikeman]]></surname>
<given-names><![CDATA[ME]]></given-names>
</name>
<name>
<surname><![CDATA[Brooks]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Zinn]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
<name>
<surname><![CDATA[Streeter]]></surname>
<given-names><![CDATA[MN]]></given-names>
</name>
<name>
<surname><![CDATA[Hutcheson]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Nichols]]></surname>
<given-names><![CDATA[WT]]></given-names>
</name>
<name>
<surname><![CDATA[Allen]]></surname>
<given-names><![CDATA[DM]]></given-names>
</name>
<name>
<surname><![CDATA[Yates]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effect of zilpaterol hydrochloride on meat quality of calf-fed Holstein steers]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2009</year>
<volume>87</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>3730-8</page-range></nlm-citation>
</ref>
<ref id="B44">
<label>44</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Strydom]]></surname>
<given-names><![CDATA[PE]]></given-names>
</name>
<name>
<surname><![CDATA[Frylinck]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Montgomery]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The comparison of three b-agonists for growth performance, carcass characteristics and meat quality of feedlot cattle]]></article-title>
<source><![CDATA[Meat Science.]]></source>
<year>2009</year>
<volume>81</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>557-64</page-range></nlm-citation>
</ref>
<ref id="B45">
<label>45</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Scramlin]]></surname>
<given-names><![CDATA[SM]]></given-names>
</name>
<name>
<surname><![CDATA[Platter]]></surname>
<given-names><![CDATA[WJ]]></given-names>
</name>
<name>
<surname><![CDATA[Gomez]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
<name>
<surname><![CDATA[Choat]]></surname>
<given-names><![CDATA[WT]]></given-names>
</name>
<name>
<surname><![CDATA[McKeith]]></surname>
<given-names><![CDATA[FK]]></given-names>
</name>
<name>
<surname><![CDATA[Killefer]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparative effects of ractopamine hydrochloride and zilpaterol hydrochloride on growth performance, carcass traits, and longissimus tenderness of finishing steers]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2010</year>
<volume>88</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>1823-9</page-range></nlm-citation>
</ref>
<ref id="B46">
<label>46</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[LeRoy]]></surname>
<given-names><![CDATA[HG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Environmental influences on feed intake and performance of feedlot cattle]]></article-title>
<source><![CDATA[Symposium. Intake by feedlot cattle]]></source>
<year>1995</year>
<page-range>207</page-range><publisher-name><![CDATA[Oklahoma State University]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B47">
<label>47</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Delmore]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
<name>
<surname><![CDATA[Hodgen]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[BJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Perspectives on the application of zilpaterol hydrochloride in the United States beef industry]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2010</year>
<volume>88</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>2825-8</page-range></nlm-citation>
</ref>
<ref id="B48">
<label>48</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Centner]]></surname>
<given-names><![CDATA[TJ]]></given-names>
</name>
<name>
<surname><![CDATA[Alvey]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Stelzleni]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Beta agonists in livestock feed: status, health concerns, and international trade]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2014</year>
<volume>92</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>4234-40</page-range></nlm-citation>
</ref>
<ref id="B49">
<label>49</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moloney]]></surname>
<given-names><![CDATA[AP]]></given-names>
</name>
<name>
<surname><![CDATA[Allen]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Ross]]></surname>
<given-names><![CDATA[DB]]></given-names>
</name>
<name>
<surname><![CDATA[Olson]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Convey]]></surname>
<given-names><![CDATA[EM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Growth, feed efficiency and carcass composition of finishing Friesian steers fed the &#946;-adrenergic agonist L-644, 969]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>1990</year>
<volume>68</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>1269-77</page-range></nlm-citation>
</ref>
<ref id="B50">
<label>50</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mersmann]]></surname>
<given-names><![CDATA[HJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Beta-adrenergic receptor modulation of adipocyte metabolism and growth]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2002</year>
<volume>80</volume>
<numero>^s1</numero>
<issue>^s1</issue>
<supplement>1</supplement>
<page-range>E24-9</page-range></nlm-citation>
</ref>
<ref id="B51">
<label>51</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shook]]></surname>
<given-names><![CDATA[JN]]></given-names>
</name>
<name>
<surname><![CDATA[Van Overbeke]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
<name>
<surname><![CDATA[Kinman]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Krehbiel]]></surname>
<given-names><![CDATA[CR]]></given-names>
</name>
<name>
<surname><![CDATA[Holland]]></surname>
<given-names><![CDATA[BP]]></given-names>
</name>
<name>
<surname><![CDATA[Streeter]]></surname>
<given-names><![CDATA[MN]]></given-names>
</name>
<name>
<surname><![CDATA[Yates]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Hilton]]></surname>
<given-names><![CDATA[GG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of zilpaterol hydrochloride and zilpaterol hydrochloride withdrawal time on beef carcass cutability, composition, and tenderness]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2009</year>
<volume>87</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>3677-85</page-range></nlm-citation>
</ref>
<ref id="B52">
<label>52</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hilton]]></surname>
<given-names><![CDATA[GG]]></given-names>
</name>
<name>
<surname><![CDATA[Montgomery]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Krehbiel]]></surname>
<given-names><![CDATA[CR]]></given-names>
</name>
<name>
<surname><![CDATA[Yates]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Hutcheson]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Nichols]]></surname>
<given-names><![CDATA[WT]]></given-names>
</name>
<name>
<surname><![CDATA[Streeter]]></surname>
<given-names><![CDATA[MN]]></given-names>
</name>
<name>
<surname><![CDATA[Blanton]]></surname>
<given-names><![CDATA[JRJr]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of feeding zilpaterol hydrochloride with and without monensin and tylosin on carcass cutability and meat palatability of beef steers]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2009</year>
<volume>87</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1394-406</page-range></nlm-citation>
</ref>
<ref id="B53">
<label>53</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wheeler]]></surname>
<given-names><![CDATA[TL]]></given-names>
</name>
<name>
<surname><![CDATA[Cundiff]]></surname>
<given-names><![CDATA[LV]]></given-names>
</name>
<name>
<surname><![CDATA[Koch]]></surname>
<given-names><![CDATA[RM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of marbling degree on beef palatability in Bos taurus and Bos indicus cattle]]></article-title>
<source><![CDATA[J Anim Sci.]]></source>
<year>1994</year>
<volume>72</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>3145-51</page-range></nlm-citation>
</ref>
<ref id="B54">
<label>54</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Leheska]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Montgomery]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Krehbiel]]></surname>
<given-names><![CDATA[CR]]></given-names>
</name>
<name>
<surname><![CDATA[Yates]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Hutcheson]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Nichols]]></surname>
<given-names><![CDATA[WT]]></given-names>
</name>
<name>
<surname><![CDATA[Streeter]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Blanton]]></surname>
<given-names><![CDATA[JR]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Dietary zilpaterol hydrochloride. II. Carcass composition and meat palatability of beef cattle]]></article-title>
<source><![CDATA[J Anim. Sci.]]></source>
<year>2009</year>
<volume>87</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1384-93</page-range></nlm-citation>
</ref>
<ref id="B55">
<label>55</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mills]]></surname>
<given-names><![CDATA[SE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Biological basis of the ractopamine response]]></article-title>
<source><![CDATA[J. Anim. Sci.]]></source>
<year>2002</year>
<volume>80</volume>
<numero>^sE. Suppl. 2</numero>
<issue>^sE. Suppl. 2</issue>
<supplement>E. Suppl. 2</supplement>
<page-range>E28-32</page-range></nlm-citation>
</ref>
<ref id="B56">
<label>56</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sumano]]></surname>
<given-names><![CDATA[LH]]></given-names>
</name>
<name>
<surname><![CDATA[Ocampo]]></surname>
<given-names><![CDATA[CL]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[OL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clenbuterol and other &#946;-agonists, are they an option for meat production or threat for public health?]]></article-title>
<source><![CDATA[Vet. Mex.]]></source>
<year>2002</year>
<volume>33</volume>
<page-range>137-59</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
