<?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>2007-0705</journal-id>
<journal-title><![CDATA[Nova scientia]]></journal-title>
<abbrev-journal-title><![CDATA[Nova scientia]]></abbrev-journal-title>
<issn>2007-0705</issn>
<publisher>
<publisher-name><![CDATA[Universidad de La Salle Bajío A. C., Coordinación de Investigación]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-07052021000200109</article-id>
<article-id pub-id-type="doi">10.21640/ns.v13i27.2747</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Inseminación artificial a tiempo fijo y reinseminación de vacas para carne tratadas con y sin gonadotropina coriónica equina]]></article-title>
<article-title xml:lang="en"><![CDATA[Fixed-time artificial insemination and reinsemination of beef cows treated with and without equine chorionic gonadotropin]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espinoza-Villavicencio]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palacios-Espinosa]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortega-Pérez]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guillén-Trujillo]]></surname>
<given-names><![CDATA[Ariel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Manríquez-Hirales]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Baja California Sur  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<volume>13</volume>
<numero>27</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-07052021000200109&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-07052021000200109&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-07052021000200109&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: los objetivos fueron evaluar el estro y la gestación en vacas Bos Taurus, tratadas con un protocolo para la inseminación artificial a tiempo fijo (IATF) con y sin gonadotropina coriónica equina (eCG). Se evaluó también la gestación acumulada con la resincronización de la ovulación 30 días después de la primera IATF.  Método:  las vacas se asignaron al azar a dos tratamientos: Tratamiento 1 (n = 60), se sincronizó con 2 mg de benzoato de estradiol y un dispositivo intravaginal (DIV) de progesterona (1.3 g) el día 0; el DIV se retiró el día 8 y se aplicaron 25 mg de prostaglandina F2-alfa, 1 mg de cipionato de estradiol y 300 UI de eCG; 48-52 horas después se realizó la IATF. El Tratamiento 2 (n = 50) consistió en el mismo protocolo, sin incluir eCG. Se resincronizó la ovulación en las vacas que resultaron vacías en el diagnóstico de gestación, realizado 30 días después de la primera IATF. En todas las vacas se usó el mismo protocolo aplicado en el Tratamiento 1 para la primera IATF. La segunda IATF se realizó a los 40 días de haber iniciado el programa. Se clasificó la CC en baja (&lt; 2.5), moderada (2.5 a 3.5) y alta (&gt; 3.5). El día de la IATF, el diámetro del folículo preovulatorio (DFP) se dividió en tres categorías (DFP1: &lt; 11 mm; DFP2: 11 a 14 mm; DFP3: &gt; 14 mm).  Resultados:  el porcentaje de gestación resultó diferente entre tratamientos (p = 0.04; 73 % Tratamiento 1 y 53 % Tratamiento 2). La proporción de vacas en estro antes de la IATF fue de 75 % en el grupo con eCG y 57 % en el testigo (p = 0.04). Las vacas con DFP2 y DFP3 registraron mayor tasa de gestación (p = 0.03), que DFP1. El porcentaje de gestación fue mayor (p = 0.04) en vacas con CC moderada y alta. La gestación general en la primera IATF fue de 63 %. El 51.61 % resultó gestante con la segunda IATF, acumulando 82.1 % en 40 días.  Conclusión:  la eCG incrementó la proporción de vacas en estro y la gestación; y la resincronización permite acumular un porcentaje adicional de vacas gestantes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  the objectives were to evaluate estrus and gestation in Bos taurus cows, treated with a fixed-time artificial insemination protocol (FTAI) that included or not equine chorionic gonadotropin (eCG). Cumulative gestation with resynchronization at 30 days after the first FTAI was also evaluated.  Method:  the cows were divided into: Treatment 1 (n = 60), synchronized with 2 mg of estradiol benzoate and an intravaginal device (IVD) of progesterone (1.3 g) on &#8203;&#8203;day 0; IVD was removed on day 8 and 25 mg of prostaglandin F2-alpha, 1 mg of estradiol cypionate and 300 IU of eCG were injected; 48-52 hours later the FTAI was performed. Treatment 2 (n = 50) consisted in the same protocol, not including eCG. Ovulation was resynchronized in cows that were no pregnant in the pregnancy diagnosis, performed 30 days after the first FTAI. The same protocol applied in Treatment 1 for the first FTAI was used in all animals. The second FTAI was performed 40 days after starting the program. Body condition score (BCS) was classified as low (&lt; 2.5), moderate (2.5 to 3.5) and high (&gt; 3.5). On the day of the FTAI, the preovulatory follicle diameter (DFP) was classified into three categories (DFP1: &lt; 11 mm; DFP2: 11 to 14 mm; DFP3: &gt; 14 mm).  Results:  the gestation percentage was different between treatments (p = 0.04; 73 % Group 1 and 53 % Group 2). The proportion of cows in estrus before the FTAI was 75 % in the eCG treatment and 57 % in the control (p = 0.04). Cows with DFP2 and DFP3 registered a higher gestation rate (p = 0.03) than DFP1. The percentage of pregnancies was higher (p = 0.04) in cows with moderate and high BCS. Overall gestation in the first FTAI was 63 %. The gestation percentage with the second FTAI was 51.61 %, accumulating 82.1 % in 40 days.  Conclusion:  eCG increased the proportion of cows in estrus and gestation; and resynchronization allows the accumulation of an additional percentage of pregnant cows.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[bovinos para carne]]></kwd>
<kwd lng="es"><![CDATA[eficiencia reproductiva]]></kwd>
<kwd lng="es"><![CDATA[sincronización]]></kwd>
<kwd lng="es"><![CDATA[resincronización]]></kwd>
<kwd lng="es"><![CDATA[tasa de gestación]]></kwd>
<kwd lng="es"><![CDATA[ovulación]]></kwd>
<kwd lng="es"><![CDATA[inseminación artificial]]></kwd>
<kwd lng="es"><![CDATA[reinseminación]]></kwd>
<kwd lng="es"><![CDATA[vacas]]></kwd>
<kwd lng="es"><![CDATA[carne]]></kwd>
<kwd lng="en"><![CDATA[beef cattle]]></kwd>
<kwd lng="en"><![CDATA[reproductive efficiency]]></kwd>
<kwd lng="en"><![CDATA[synchronization]]></kwd>
<kwd lng="en"><![CDATA[resynchronization]]></kwd>
<kwd lng="en"><![CDATA[gestation rate]]></kwd>
<kwd lng="en"><![CDATA[ovulation]]></kwd>
<kwd lng="en"><![CDATA[artificial insemination]]></kwd>
<kwd lng="en"><![CDATA[reinsemination]]></kwd>
<kwd lng="en"><![CDATA[cows]]></kwd>
<kwd lng="en"><![CDATA[meat]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ayres]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Machado]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Ribamar]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Garcia]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Gonc&#807;alves]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Baruselli]]></surname>
<given-names><![CDATA[P.S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Validation of body condition score as a predictor of subcutaneous fat in Nelore (Bos indicus) cows]]></article-title>
<source><![CDATA[Livestock Science]]></source>
<year>2009</year>
<numero>123</numero>
<issue>123</issue>
<page-range>175-9</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ayres]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[R.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres-Júnior]]></surname>
<given-names><![CDATA[J.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Demétrio]]></surname>
<given-names><![CDATA[C.G]]></given-names>
</name>
<name>
<surname><![CDATA[Sá Filho]]></surname>
<given-names><![CDATA[M.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Gimenes]]></surname>
<given-names><![CDATA[LU.]]></given-names>
</name>
<name>
<surname><![CDATA[Penteado]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[D&#8217;Occhio]]></surname>
<given-names><![CDATA[M.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Basurelli]]></surname>
<given-names><![CDATA[P.S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Inferences of body energy reserves on conception rate of suckled Zebu beef cows subjected to timed artificial insemination followed by natural mating]]></article-title>
<source><![CDATA[Theriogenology]]></source>
<year>2014</year>
<volume>82</volume>
<page-range>529-36</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baruselli]]></surname>
<given-names><![CDATA[P.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[R.M]]></given-names>
</name>
<name>
<surname><![CDATA[Colli]]></surname>
<given-names><![CDATA[M.H.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Elliff]]></surname>
<given-names><![CDATA[F.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Timed artificial insemination: current challenges and recent advances in reproductive efficiency in beef and dairy herds in Brazil]]></article-title>
<source><![CDATA[Animal Reproduction]]></source>
<year>2017</year>
<volume>14</volume>
<page-range>558-71</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baruselli]]></surname>
<given-names><![CDATA[P.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Sá Filho]]></surname>
<given-names><![CDATA[M.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Ambrósio]]></surname>
<given-names><![CDATA[A.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[R.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Strategies to improve fertility in cattle: artificial insemination following estrus versus timed artificial insemination]]></article-title>
<source><![CDATA[Spermova]]></source>
<year>2016</year>
<volume>6</volume>
<page-range>36-42</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bó]]></surname>
<given-names><![CDATA[G.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Hugenine]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[R.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sá Filho]]></surname>
<given-names><![CDATA[M.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Baruselli]]></surname>
<given-names><![CDATA[P.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Inducción de ciclicidad para servicio natural o inseminación artificial en vacas de carne]]></source>
<year>2019</year>
<conf-name><![CDATA[ VSimposio Internacional Avances en Reproducción Bovina]]></conf-name>
<conf-loc> </conf-loc>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Campos]]></surname>
<given-names><![CDATA[J.T.]]></given-names>
</name>
<name>
<surname><![CDATA[Marinho]]></surname>
<given-names><![CDATA[L.S.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Lunardelli]]></surname>
<given-names><![CDATA[P.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Morotti]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Seneda]]></surname>
<given-names><![CDATA[M.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Resynchronization of estrous cycle with eCG and temporary calf removal in lactating Bos indicus cows]]></article-title>
<source><![CDATA[Theriogenology]]></source>
<year>2013</year>
<volume>80</volume>
<page-range>619-23</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cutaia]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Veneranda]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Baruselli]]></surname>
<given-names><![CDATA[P.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Bó]]></surname>
<given-names><![CDATA[GA.]]></given-names>
</name>
</person-group>
<source><![CDATA[Programas de inseminación artificial a tiempo fijo en rodeos de cría: Factores que lo afectan y resultados productivos]]></source>
<year>2003</year>
<conf-name><![CDATA[ VSimposio Internacional de Reproducción Animal]]></conf-name>
<conf-loc> </conf-loc>
<page-range>119-29</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Davoodi]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Cooke]]></surname>
<given-names><![CDATA[R.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Fernandes]]></surname>
<given-names><![CDATA[A.C.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Cappellozza]]></surname>
<given-names><![CDATA[B.I.]]></given-names>
</name>
<name>
<surname><![CDATA[Vasconcelos]]></surname>
<given-names><![CDATA[J.L.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Cerri]]></surname>
<given-names><![CDATA[R.L.A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Expression of estrus modifies the gene expression profile in reproductive tissues on day 19 of gestation in beef cows]]></article-title>
<source><![CDATA[Theriogenology]]></source>
<year>2016</year>
<volume>85</volume>
<page-range>645-55</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[de Oliveira]]></surname>
<given-names><![CDATA[M.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Morotti]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Bizarro da Silva]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ribeiro Jr]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Pinto da Silva]]></surname>
<given-names><![CDATA[R.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Baruselli]]></surname>
<given-names><![CDATA[P.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Seneda]]></surname>
<given-names><![CDATA[M.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of category-heifers, primiparous and multiparous lactating cows-in a large-scale resynchronization fixed-time artificial insemination program]]></article-title>
<source><![CDATA[Journal of Veterinary Science]]></source>
<year>2015</year>
<volume>16</volume>
<page-range>367-71</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[de Oliveira]]></surname>
<given-names><![CDATA[D.A.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ernandes]]></surname>
<given-names><![CDATA[K.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Talini]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Pedrosa]]></surname>
<given-names><![CDATA[V.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Gassenferth]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Weiss]]></surname>
<given-names><![CDATA[R.R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Correlação entre o diâmetro do folículo pré-ovulatório e a eficiência reprodutiva em vacas Bos taurus indicus submetidas à inseminação artificial em tempo fixo]]></article-title>
<source><![CDATA[Archives of Veterinary Science]]></source>
<year>2016</year>
<volume>21</volume>
<page-range>61-7</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[de Oliveira]]></surname>
<given-names><![CDATA[D.A.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Kozicki]]></surname>
<given-names><![CDATA[L.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Gaievski]]></surname>
<given-names><![CDATA[F.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Pedrosa]]></surname>
<given-names><![CDATA[V.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Weiss]]></surname>
<given-names><![CDATA[R.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Segui]]></surname>
<given-names><![CDATA[M.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Bergstein&#8208;Galan]]></surname>
<given-names><![CDATA[T.G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Resynchronization of ovulation with new and reused intravaginal progesterone-releasing devices without previous pregnancy diagnosis in Bos taurus indicus cows subjected to timed-artificial insemination]]></article-title>
<source><![CDATA[Reproduction Domestic Animals]]></source>
<year>2019</year>
<volume>54</volume>
<page-range>779-85</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dias]]></surname>
<given-names><![CDATA[C.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Wechsler]]></surname>
<given-names><![CDATA[F.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Day]]></surname>
<given-names><![CDATA[M.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Vasconcelos]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Progesterone concentrations, exogenous equine chorionic gonadotropin, and timing of prostaglandin F2-alpha treatment affect fertility in postpuberal Nelore heifers]]></article-title>
<source><![CDATA[Theriogenology]]></source>
<year>2009</year>
<volume>72</volume>
<page-range>378-85</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dorneles]]></surname>
<given-names><![CDATA[T.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Dos Santos]]></surname>
<given-names><![CDATA[J.T.]]></given-names>
</name>
<name>
<surname><![CDATA[Silveira de Andrade]]></surname>
<given-names><![CDATA[N.O.]]></given-names>
</name>
<name>
<surname><![CDATA[Barreta]]></surname>
<given-names><![CDATA[M.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[J.F]]></given-names>
</name>
<name>
<surname><![CDATA[Gonçalves]]></surname>
<given-names><![CDATA[P.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[N.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effect of equine chorionic gonadotropin on follicular size, luteal volume, circulating progesterone concentrations, and pregnancy rates in anestrous beef cows treated with a novel fixed-time artificial insemination protocol]]></article-title>
<source><![CDATA[Theriogenology]]></source>
<year>2013</year>
<volume>79</volume>
<page-range>1204-9</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Faleiro]]></surname>
<given-names><![CDATA[N.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Neves]]></surname>
<given-names><![CDATA[K.A.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[L.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[C.M.G.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Vale]]></surname>
<given-names><![CDATA[W.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Minervino]]></surname>
<given-names><![CDATA[A.H.H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of estrous resynchronization on the reproductive efficiency of zebu cows]]></article-title>
<source><![CDATA[Reproduction in Domestic Animals]]></source>
<year>2019</year>
<volume>54</volume>
<page-range>1050-3</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ferraz]]></surname>
<given-names><![CDATA[P.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Galvão]]></surname>
<given-names><![CDATA[M.V.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Soares]]></surname>
<given-names><![CDATA[A.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Coelho]]></surname>
<given-names><![CDATA[M.C.L.]]></given-names>
</name>
<name>
<surname><![CDATA[dos Santos]]></surname>
<given-names><![CDATA[T.C.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Ribeiro]]></surname>
<given-names><![CDATA[A.L.F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effect of the intensity of estrus expression on the follicular diameter and fertility of Nellore cows managed under a FTAI program]]></article-title>
<source><![CDATA[Ciencia Animal Brasileira]]></source>
<year>2017</year>
<volume>18</volume>
<page-range>1-9</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Funakura]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Shiki]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Tsubakishita]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Mido]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Katamoto]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Kitahara]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Osawa]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Validation of a novel timed artificial insemination protocol in beef cows with a functional corpus luteum detected by ultrasonography]]></article-title>
<source><![CDATA[Journal of Reproduction and Development]]></source>
<year>2018</year>
<volume>64</volume>
<page-range>109-15</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Galvaõ]]></surname>
<given-names><![CDATA[K.N.]]></given-names>
</name>
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[J.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Cerri]]></surname>
<given-names><![CDATA[R.L]]></given-names>
</name>
<name>
<surname><![CDATA[Chebel]]></surname>
<given-names><![CDATA[R.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Rutigliano]]></surname>
<given-names><![CDATA[H.M]]></given-names>
</name>
<name>
<surname><![CDATA[Bruno]]></surname>
<given-names><![CDATA[R.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Bicalho]]></surname>
<given-names><![CDATA[R.C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of methods of resynchronization for insemination in cows of un- known pregnancy status]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2007</year>
<volume>90</volume>
<page-range>4240-52</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gimenes]]></surname>
<given-names><![CDATA[L.U.]]></given-names>
</name>
<name>
<surname><![CDATA[Sa&#769; Filho]]></surname>
<given-names><![CDATA[M.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Carvalho]]></surname>
<given-names><![CDATA[N.A.T.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres Jr]]></surname>
<given-names><![CDATA[J.R.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Souza]]></surname>
<given-names><![CDATA[A.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Madureira]]></surname>
<given-names><![CDATA[E.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Trinca]]></surname>
<given-names><![CDATA[L.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sartorelli]]></surname>
<given-names><![CDATA[E.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Barros]]></surname>
<given-names><![CDATA[C.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Carvalho]]></surname>
<given-names><![CDATA[J.B.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Mapletoft]]></surname>
<given-names><![CDATA[R.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Baruselli]]></surname>
<given-names><![CDATA[P.S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Follicle deviation and ovulatory capacity in Bos indicus heifers]]></article-title>
<source><![CDATA[Theriogenology]]></source>
<year>2008</year>
<volume>69</volume>
<page-range>852-8</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Herrera]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Pugliesi]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Nogueira]]></surname>
<given-names><![CDATA[F.L.N.]]></given-names>
</name>
<name>
<surname><![CDATA[Constantino]]></surname>
<given-names><![CDATA[C.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Ataide Jr]]></surname>
<given-names><![CDATA[G.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[A.J.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Posar]]></surname>
<given-names><![CDATA[I.O.]]></given-names>
</name>
<name>
<surname><![CDATA[Alvarenga]]></surname>
<given-names><![CDATA[C.O.]]></given-names>
</name>
<name>
<surname><![CDATA[Humblot]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Reproductive performance of Bos indicus beef cows treated with different doses of equine chorionic gonadotropin at the end of a progesterone-estrogen based protocol for fixed-time artificial insemination]]></article-title>
<source><![CDATA[Theriogenology]]></source>
<year>2018</year>
<volume>118</volume>
<page-range>150-6</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Larimore]]></surname>
<given-names><![CDATA[E.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Amundson]]></surname>
<given-names><![CDATA[O.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Bird]]></surname>
<given-names><![CDATA[S.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Funnell]]></surname>
<given-names><![CDATA[B.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Kruse]]></surname>
<given-names><![CDATA[S.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Bridges]]></surname>
<given-names><![CDATA[G.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Perry]]></surname>
<given-names><![CDATA[G.A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of estrus at fixed-time artificial insemination on early embryonic development in beef cattle]]></article-title>
<source><![CDATA[Journal of Animal Science]]></source>
<year>2015</year>
<volume>93</volume>
<page-range>2806-12</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mapletoft]]></surname>
<given-names><![CDATA[R.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Baruselli]]></surname>
<given-names><![CDATA[P.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Bó]]></surname>
<given-names><![CDATA[G.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[¿Qué debemos saber para decidir sobre la utilización de eCG en los programas de IATF en rodeos de carne y leche?]]></source>
<year>2019</year>
<conf-name><![CDATA[ 13Simposio Internacional de Reproducción Animal]]></conf-name>
<conf-loc> </conf-loc>
<page-range>129-41</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mapletoft]]></surname>
<given-names><![CDATA[R.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Bó]]></surname>
<given-names><![CDATA[G.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Baruselli]]></surname>
<given-names><![CDATA[P.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Menchaca]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sartori]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evolution of knowledge on ovarian physiology and its contribution to the widespread application of reproductive biotechnologies in South American cattle]]></article-title>
<source><![CDATA[Animal Reproduction]]></source>
<year>2018</year>
<volume>15</volume>
<page-range>1003-14</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nishimura]]></surname>
<given-names><![CDATA[T.K.]]></given-names>
</name>
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[da Silva]]></surname>
<given-names><![CDATA[M.I.]]></given-names>
</name>
<name>
<surname><![CDATA[Lafuente]]></surname>
<given-names><![CDATA[B.S.]]></given-names>
</name>
<name>
<surname><![CDATA[de Garla]]></surname>
<given-names><![CDATA[M.J.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Binelli]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Pugliesi]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Saran]]></surname>
<given-names><![CDATA[A.N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Importance of body condition score and ovarian activity on determining the fertility in beef cows supplemented with long-acting progesterone after timed-AI]]></article-title>
<source><![CDATA[Animal Reproduction Science]]></source>
<year>2018</year>
<volume>198</volume>
<page-range>27-36</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Núñez-Olivera]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[de Castro]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Garcia-Pintos]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Bó]]></surname>
<given-names><![CDATA[G.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Piaggio]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Menchaca]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ovulatory response and luteal function after eCG administration at the end of a progesterone and estradiol-based treatment in postpartum anestrous beef cattle]]></article-title>
<source><![CDATA[Animal Reproduction Science]]></source>
<year>2014</year>
<volume>146</volume>
<page-range>111-6</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Núñez-Olivera]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[de Castro]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Bó]]></surname>
<given-names><![CDATA[G.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Piaggio]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Menchaca]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Equine chorionic gonadotropin administration after insemination affects luteal function and pregnancy establishment in postpartum anestrous beef cows]]></article-title>
<source><![CDATA[Domestic Animal Endocrinology]]></source>
<year>2018</year>
<volume>62</volume>
<page-range>24-31</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[O&#8217;Hara]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Forde]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Carter]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Rizos]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Maillo]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Ealy]]></surname>
<given-names><![CDATA[A.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Kelly]]></surname>
<given-names><![CDATA[A.K.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodriguez]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Isaka]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Evans]]></surname>
<given-names><![CDATA[A.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Lonergan]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Paradoxical effect of supplementary progesterone between day 3 and day 7 on corpus luteum function and conceptus development in cattle]]></article-title>
<source><![CDATA[Reproduction Fertility and Development]]></source>
<year>2016</year>
<volume>26</volume>
<page-range>328-36</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Patterson]]></surname>
<given-names><![CDATA[D.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Cooke]]></surname>
<given-names><![CDATA[R.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Dahlke]]></surname>
<given-names><![CDATA[G.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Funston]]></surname>
<given-names><![CDATA[R.N.]]></given-names>
</name>
<name>
<surname><![CDATA[Hall]]></surname>
<given-names><![CDATA[J.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Lamb]]></surname>
<given-names><![CDATA[G.C.]]></given-names>
</name>
<name>
<surname><![CDATA[J. Lauderdale]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Perry]]></surname>
<given-names><![CDATA[G.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Van Eenennaam]]></surname>
<given-names><![CDATA[A.L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Physiological and management advances enhancing adoption of applied reproductive management procedures in beef cattle]]></article-title>
<source><![CDATA[Journal of Animal Science]]></source>
<year>2016</year>
<volume>94</volume>
<numero>^s5</numero>
<issue>^s5</issue>
<supplement>5</supplement>
<page-range>560-1</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[L.L.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[A.P.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Vale]]></surname>
<given-names><![CDATA[W.W.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Serique]]></surname>
<given-names><![CDATA[L.R.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Neves]]></surname>
<given-names><![CDATA[K.A.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Morini]]></surname>
<given-names><![CDATA[A.C.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Monteiro]]></surname>
<given-names><![CDATA[B.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Minervino]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of body condition score and reuse of progesterone-releasing intravaginal devices on conception rate following timed artificial insemination in Nelore cows]]></article-title>
<source><![CDATA[Reproduction in Domestic Animals]]></source>
<year>2018</year>
<volume>53</volume>
<page-range>624-8</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[M.H.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Wiltbank]]></surname>
<given-names><![CDATA[M.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Vasconcelos]]></surname>
<given-names><![CDATA[J.L.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Expression of estrus improves fertility and decreases pregnancy losses in lactating dairy cows that receive artificial insemination or embryo transfer]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2016</year>
<volume>99</volume>
<page-range>2237-47</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pessoa]]></surname>
<given-names><![CDATA[G.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Martini]]></surname>
<given-names><![CDATA[A.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Carloto]]></surname>
<given-names><![CDATA[G.W.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodrigues]]></surname>
<given-names><![CDATA[M.C.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Claro]]></surname>
<given-names><![CDATA[Jr I.]]></given-names>
</name>
<name>
<surname><![CDATA[Baruselli]]></surname>
<given-names><![CDATA[P.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Brauner]]></surname>
<given-names><![CDATA[C.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Rubin]]></surname>
<given-names><![CDATA[M.I.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Corrêa]]></surname>
<given-names><![CDATA[M.N.]]></given-names>
</name>
<name>
<surname><![CDATA[Leivas]]></surname>
<given-names><![CDATA[F.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Sá Filho]]></surname>
<given-names><![CDATA[M.F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Different doses of equine chorionic gonadotropin on ovarian follicular growth and pregnancy rate of suckled Bos taurus beef cows subjected to timed artificial insemination protocol]]></article-title>
<source><![CDATA[Theriogenology]]></source>
<year>2016</year>
<volume>85</volume>
<page-range>792-9</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pfeifer]]></surname>
<given-names><![CDATA[L.F.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Castro]]></surname>
<given-names><![CDATA[N.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Melo]]></surname>
<given-names><![CDATA[V.T.O.]]></given-names>
</name>
<name>
<surname><![CDATA[Neves]]></surname>
<given-names><![CDATA[P.M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cestaro]]></surname>
<given-names><![CDATA[J.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Schneider]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Timed artificial insemination in blocks: A new alternative to improve fertility in lactating beef cows]]></article-title>
<source><![CDATA[Animal Reproduction Science]]></source>
<year>2015</year>
<volume>163</volume>
<page-range>89-96</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pfeifer]]></surname>
<given-names><![CDATA[L.F.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Castro]]></surname>
<given-names><![CDATA[N.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Neves]]></surname>
<given-names><![CDATA[P.M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cestaro]]></surname>
<given-names><![CDATA[J.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Siqueira]]></surname>
<given-names><![CDATA[L.G.B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Development and validation of an objective method for the assessment of body condition scores and selection of beef cows for timed artificial insemination]]></article-title>
<source><![CDATA[Livestock Science]]></source>
<year>2017</year>
<volume>197</volume>
<page-range>82-7</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pohler]]></surname>
<given-names><![CDATA[K.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Peres]]></surname>
<given-names><![CDATA[R.F.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Green]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Graff]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Vasconcelos]]></surname>
<given-names><![CDATA[J.L.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Smith.]]></surname>
<given-names><![CDATA[M.F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Use of bovine pregnancy-associated glycoproteins to predict late embryonic mortality in postpartum Nelore beef cows]]></article-title>
<source><![CDATA[Theriogenology]]></source>
<year>2016</year>
<volume>85</volume>
<page-range>1652-9</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pugliesi]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Bisinotto]]></surname>
<given-names><![CDATA[D.Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Mello]]></surname>
<given-names><![CDATA[B.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Lahr]]></surname>
<given-names><![CDATA[F.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[C.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Melo]]></surname>
<given-names><![CDATA[G.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Bastos]]></surname>
<given-names><![CDATA[M.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Madureira]]></surname>
<given-names><![CDATA[E.H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A novel strategy for resynchronization of ovulation in Nelore cows using injectable progesterone (P4) and P4 releasing devices to perform two timed inseminations within 22 days]]></article-title>
<source><![CDATA[Reproduction in Domestic Animals]]></source>
<year>2019</year>
<volume>54</volume>
<page-range>1149-54</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Richardson]]></surname>
<given-names><![CDATA[B.N.]]></given-names>
</name>
<name>
<surname><![CDATA[Hill]]></surname>
<given-names><![CDATA[S.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Stevenson]]></surname>
<given-names><![CDATA[J.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Djira]]></surname>
<given-names><![CDATA[G.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Perry]]></surname>
<given-names><![CDATA[G.A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Expression of estrus before fixed-time AI affects conception rates and factors that impact expression of estrus and the repeatability of expression of estrus in sequential breeding seasons]]></article-title>
<source><![CDATA[Animal Reproduction Science]]></source>
<year>2016</year>
<volume>166</volume>
<page-range>133-40</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodrigues]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Cooke]]></surname>
<given-names><![CDATA[R.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Cipriano]]></surname>
<given-names><![CDATA[R.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[L.G.T.]]></given-names>
</name>
<name>
<surname><![CDATA[Cerri]]></surname>
<given-names><![CDATA[R.L.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cruppe]]></surname>
<given-names><![CDATA[L.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Meneghetti]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Pohler]]></surname>
<given-names><![CDATA[K.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Vasconcelos]]></surname>
<given-names><![CDATA[J.L.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impacts of estrus expression and intensity during a timed-AI protocol on variables associated with fertility and pregnancy success in Bos indicus-influenced beef cows]]></article-title>
<source><![CDATA[Journal of Animal Science]]></source>
<year>2018</year>
<volume>96</volume>
<page-range>236-49</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rubin]]></surname>
<given-names><![CDATA[M.I.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Martini]]></surname>
<given-names><![CDATA[A.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Simões]]></surname>
<given-names><![CDATA[D.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[J.A.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Trentin]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sá Filho]]></surname>
<given-names><![CDATA[M.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Batistella]]></surname>
<given-names><![CDATA[M.L.R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Resynchronization protocols improve reproductive efficiency of suckled beef cows subjected to a breeding season during autumn-winter]]></article-title>
<source><![CDATA[Animal Reproduction]]></source>
<year>2015</year>
<volume>12</volume>
<page-range>659</page-range></nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ruiz]]></surname>
<given-names><![CDATA[A.Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Domínguez]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Pinto]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Drescher]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Perez]]></surname>
<given-names><![CDATA[R.M.]]></given-names>
</name>
<name>
<surname><![CDATA[A. Rojas]]></surname>
<given-names><![CDATA[J.A.U.]]></given-names>
</name>
<name>
<surname><![CDATA[Araneda]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto de la condición corporal y nivel de alimentacio&#769;n sobre la actividad ovárica, involución uterina y expresión del IGF-I en vacas mestizas durante el posparto]]></article-title>
<source><![CDATA[Interciencia]]></source>
<year>2010</year>
<volume>35</volume>
<page-range>752-8</page-range></nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sá Filho]]></surname>
<given-names><![CDATA[M.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Crespilho]]></surname>
<given-names><![CDATA[A.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[J.E.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Perry]]></surname>
<given-names><![CDATA[G.A]]></given-names>
</name>
<name>
<surname><![CDATA[Baruselli]]></surname>
<given-names><![CDATA[P.S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ovarian follicle diameter at timed insemination and estrous response influence likelihood of ovulation and pregnancy after estrous synchronization with progesterone or progestin-based protocols in suckled Bos indicus cows]]></article-title>
<source><![CDATA[Animal Reproduction Science]]></source>
<year>2010</year>
<volume>120</volume>
<page-range>23-30</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sá Filho]]></surname>
<given-names><![CDATA[M.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Marques]]></surname>
<given-names><![CDATA[M.O.]]></given-names>
</name>
<name>
<surname><![CDATA[Girotto]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[F.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sala]]></surname>
<given-names><![CDATA[R.V.]]></given-names>
</name>
<name>
<surname><![CDATA[Barbuio]]></surname>
<given-names><![CDATA[J.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Basurelli]]></surname>
<given-names><![CDATA[P.S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Resynchronization with unknown pregnancy status using progestin-based timed artificial insemination protocol in beef cattle]]></article-title>
<source><![CDATA[Theriogenology]]></source>
<year>2014</year>
<volume>81</volume>
<page-range>284-90</page-range></nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sá Filho]]></surname>
<given-names><![CDATA[M.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Penteado]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Reis]]></surname>
<given-names><![CDATA[E.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Reis]]></surname>
<given-names><![CDATA[T.A.N.P.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Galvaõ]]></surname>
<given-names><![CDATA[K.N.]]></given-names>
</name>
<name>
<surname><![CDATA[Baruselli]]></surname>
<given-names><![CDATA[P.S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Timed artificial insemination early in the breeding season improves the reproductive performance of suckled beef cows]]></article-title>
<source><![CDATA[Theriogenology]]></source>
<year>2013</year>
<volume>79</volume>
<page-range>625-32</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="book">
<collab>SAS</collab>
<source><![CDATA[SAS User&#8217;s Guide]]></source>
<year>2004</year>
<page-range>1431-555</page-range><publisher-loc><![CDATA[Cary. North Caroline, USA ]]></publisher-loc>
<publisher-name><![CDATA[SAS Institute. Inc.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Simões]]></surname>
<given-names><![CDATA[R.A.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Satrapa]]></surname>
<given-names><![CDATA[R.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Rosa]]></surname>
<given-names><![CDATA[F.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Piagentini]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Castilho]]></surname>
<given-names><![CDATA[A.C.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ereno]]></surname>
<given-names><![CDATA[R.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Trinca]]></surname>
<given-names><![CDATA[L.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Nogueira]]></surname>
<given-names><![CDATA[M.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Buratini J]]></surname>
<given-names><![CDATA[Jr.]]></given-names>
</name>
<name>
<surname><![CDATA[Barros]]></surname>
<given-names><![CDATA[C.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ovulation rate and its relationship with follicle diameter and gene expression of the LH receptor (LHR) in Nelore cows]]></article-title>
<source><![CDATA[Theriogenology]]></source>
<year>2012</year>
<volume>77</volume>
<page-range>139-47</page-range></nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Souza]]></surname>
<given-names><![CDATA[A.L.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Segui]]></surname>
<given-names><![CDATA[M.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Kozicki]]></surname>
<given-names><![CDATA[L.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Weiss]]></surname>
<given-names><![CDATA[R.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Abreu]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bertol]]></surname>
<given-names><![CDATA[M.A.F]]></given-names>
</name>
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impact of equine chorionic gonadotropin associated with temporary weaning, estradiol benzoate, or estradiol cypionate on timed artificial insemination in primiparous Bos indicus cows]]></article-title>
<source><![CDATA[Brazilian Archives of Biology and Technology]]></source>
<year>2016</year>
<volume>59</volume>
<page-range>1-3e16150389</page-range></nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Spencer]]></surname>
<given-names><![CDATA[T.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Forde]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Lonergan]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The role of progesterone and conceptus-derived factors in uterine biology during early pregnancy in ruminants]]></article-title>
<source><![CDATA[Journal of Dairy Science]]></source>
<year>2016</year>
<volume>99</volume>
<page-range>5941-50</page-range></nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Torres-Júnior]]></surname>
<given-names><![CDATA[J.R.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Penteado]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Sales]]></surname>
<given-names><![CDATA[J.N.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Sá Filho]]></surname>
<given-names><![CDATA[M.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Ayres]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Baruselli]]></surname>
<given-names><![CDATA[P.S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A comparison of two different esters of estradiol for the induction of ovulation in an estradiol plus progestin- based timed artificial insemination protocol for suckled Bos indicus beef cows]]></article-title>
<source><![CDATA[Animal Reproduction Science]]></source>
<year>2014</year>
<volume>151</volume>
<page-range>9-14</page-range></nlm-citation>
</ref>
<ref id="B47">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vasconcelos]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Sartori]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[H.N.]]></given-names>
</name>
<name>
<surname><![CDATA[Guenther]]></surname>
<given-names><![CDATA[J.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Wiltbank]]></surname>
<given-names><![CDATA[M.C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Reduction in size of the ovulatory follicle reduces subsequent luteal size and pregnancy rate]]></article-title>
<source><![CDATA[Theriogenology]]></source>
<year>2001</year>
<volume>56</volume>
<page-range>307-14</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
