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  <leader>04446nab a2200325 i 4500</leader>
  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20240905115355.0</controlfield>
  <controlfield tag="008">240905b2018    bl.|r|pooa||| 00| 0 por |</controlfield>
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    <subfield code="a">BR-BrBNA</subfield>
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    <subfield code="b">5250</subfield>
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    <subfield code="a">Nascimento-Penido, P.M.P. </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Brand&#xE3;o , F.Z. </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Penido, A.O. </subfield>
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    <subfield code="a">Pereira, P.F.V</subfield>
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    <subfield code="a">Fonseca, J.F. </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Par&#xE2;metros reprodutivos ap&#xF3;s indu&#xE7;&#xE3;o de estro com diferentes intervalos de perman&#xEA;ncia do dispositivo vaginal em cabras Toggenburg ac&#xED;clicas </subfield>
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  <datafield tag="500" ind1=" " ind2=" ">
    <subfield code="a">Publica&#xE7;&#xE3;o online; 23 ref.; 2 illus.; Summaries (En, Pt)</subfield>
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RESUMO - Este estudo objetivou avaliar o comportamento sexual e a din&#xE2;mica ovulat&#xF3;ria de cabras da ra&#xE7;a Toggenburg ap&#xF3;s a indu&#xE7;&#xE3;o do estro com dispositivo intravaginal de progesterona durante seis, nove e 12 dias de perman&#xEA;ncia. No momento da inser&#xE7;&#xE3;o do dispositivo e 24 horas antes da retirada do dispositivo, foi administrado 5mg de dinoprost e 200UI de eCG, respectivamente. A din&#xE2;mica ovulat&#xF3;ria foi acompanhada por ultrassonografia a cada oito horas, enquanto o estro foi observado a cada 12 horas. Todas as cabras apresentaram estro. O intervalo da retirada do dispositivo ao in&#xED;cio do estro foi de 29,5 &#xB1; 9,6 para G6dias; 34,0 &#xB1; 6,0 e 32,4 &#xB1; 7,7h, G9dias e G12dias, respectivamente. Igualmente, foi encontrada diferen&#xE7;a (P&lt;0,05) entre o G6dias e os outros grupos. A dura&#xE7;&#xE3;o do estro diferiu (P&lt;0,05) entre o G6dias (36,0 &#xB1; 12,6) e os outros dois grupos (G9dias: 31,2 &#xB1; 14,3; G12dias : 33,4 &#xB1; 8,6). A taxa de ovula&#xE7;&#xE3;o (81%; 89,5% e; 71,4%), intervalo da retirada do dispositivo &#xE0; ovula&#xE7;&#xE3;o (50,5 &#xB1; 11,4; 46,3 &#xB1; 5,9 e; 46,7 &#xB1; 8,3), di&#xE2;metro do maior fol&#xED;culo (6,6 &#xB1; 0,3; 6,6 &#xB1; 0,9 e; 6,9 &#xB1; 0,8) di&#xE2;metro do segundo maior fol&#xED;culo (6,4 &#xB1; 0,7; 6,6 &#xB1; 0,8 e; 6,8 &#xB1; 0,6) e o n&#xFA;mero de fol&#xED;culos ovulados (1,5 &#xB1; 0,6; 1,7 &#xB1; 0,6 e 2,0 &#xB1; 0,9) para G6dias, G9dias e G12dias, respectivamente, foram semelhantes (P&gt;0,05). Todos os protocolos foram eficientes em induzir o estro sincronizado em cabras da ra&#xE7;a Toggenburg, trabalhando em conjunto com a efici&#xEA;ncia reprodutiva e produtiva desses animais.


Palavras-chave: indu&#xE7;&#xE3;o de estro, ciclicidade, cabras leiteiras, toggenburg, tratamento hormonal</subfield>
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  <datafield tag="520" ind1=" " ind2=" ">
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ABSTRACT - This study aimed to evaluate the sexual behavior and the ovulatory dynamics of Toggenburg goats after induction of synchronized estrus by an intravaginal progesterone device for six, nine and twelve days. At the device insertion and 24 h before the device removal, 5mg of dinoprost and 200 UI of eCG was administered, respectively. The ovulatory dynamics was assessed by ultrasound every 8 h, while the sexual behavior was observed every 12 h. All goats showed estrus. The intervals from device removal to estrus were 29.5 &#xB1; 9.7, 34.0 &#xB1; 6.0 and 32.4 &#xB1; 7.7h to G6days, G9days and G12days, respectively. Iqually, it was found difference (P&lt;0.05) among G6days and the other groups. The duration of estrus differed (P&lt;0.05) among the G6days (36.0 &#xB1; 12.6) and the other two groups (G9days: 31.2 &#xB1; 14.3; G12days: 33.4 &#xB1; 8.6). The ovulation rate (81.0%; 89.5% and; 71.4%); the interval from device removal to ovulation (50.5 &#xB1; 11.4; 46.3 &#xB1; 5.9 and; 46.7 &#xB1; 8.3), the diameter of the largest follicle (6.6 &#xB1; 0.3; 6.6 &#xB1; 0.9 and; 6.9 &#xB1; 0.8), diameter of the second largest follicle (6.4 &#xB1; 0.7; 6.6 &#xB1; 0.8 and; 6.8 &#xB1; 0.6) and the number of ovulations (1.5 &#xB1; 0.6; 1.7 &#xB1; 0.6 and; 2.0 &#xB1; 0.9) for G6days, G9days and G12days, respectively, were similar (P&gt;0.05). All treatments were effective for the induction of synchronized estrus in Toggenburg goats, working jointly with the reproductive and productive efficiency of these animals.


Keywords: estrus induction, ciclicity, dairy goats, toggenburg, hormonal treatment</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">CABRA LEITEIRA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">COMPORTAMENTO SEXUAL</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">OVULA&#xC7;&#xC3;O</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">CICLO ESTRAL</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">HORM&#xD4;NIO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">EFICI&#xCA;NCIA REPRODUTIVA</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">1643</subfield>
    <subfield code="9">317735</subfield>
    <subfield code="d">Belo Horizonte-MG Universidade Federal de Minas Gerais - Escola de Veterinaria 1983</subfield>
    <subfield code="o">2024-4450</subfield>
    <subfield code="t">Arquivo Brasileiro de Medicina Veterin&#xE1;ria e Zootecnia (Brazil)</subfield>
    <subfield code="x">0102-0935</subfield>
    <subfield code="g">v. 70(3) p. 773-778; (2018)</subfield>
    <subfield code="w">BR2024002463</subfield>
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  <datafield tag="856" ind1=" " ind2=" ">
    <subfield code="u">https://www.scielo.br/j/abmvz/a/vKVVxyRMrnXCqsLP58HnnfC/?format=pdf&amp;lang=pt</subfield>
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  <datafield tag="942" ind1=" " ind2=" ">
    <subfield code="c">Anal&#xED;tica</subfield>
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  <datafield tag="999" ind1=" " ind2=" ">
    <subfield code="c">301127</subfield>
    <subfield code="d">301127</subfield>
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