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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
24/01/2008 |
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Data da última atualização: |
21/05/2010 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
SILVA, A. C. M. E.; PAIVA, S. R.; MCMANUS, C. M.; ALBUQUERQUE, M. do S. M.; EGITO, A. A. do; SANTOS, S. A.; LIMA, F. C.; O. R. SERRA; CASTRO, S. T. R.; MARIANTE, A. da S. |
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Afiliação: |
ALINE CHAVES MARINHO e SILVA, UNB; SAMUEL REZENDE PAIVA, CENARGEN; CONCEPTA MARGARET MCMANUS, UNB; MARIA DO SOCORRO MAUES ALBUQUERQUE, CENARGEN; ANDREA ALVES DO EGITO, CENARGEN; SANDRA APARECIDA SANTOS, CPAP; FRANCISCO CARNEIRO LIMA, UNIVERSIDADE ESTADUAL DO MARANHÃO; UNIVERSIDADE ESTADUAL DO MARANHÃO; SILVIA TEREZA RIBEIRO CASTRO, CENARGEN; ARTHUR DA SILVA MARIANTE, CENARGEN. |
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Título: |
Genetic diversity in naturalized horse breeds in Brazil. |
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Ano de publicação: |
2006 |
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Fonte/Imprenta: |
In: WORLD CONGRESS ON GENETICS APPLIED TO LIVESTOCK PRODUCTION, 8., 2006, Belo Horizonte, MG. Proceedings... Belo Horizonte: Instituto Prociência, 2006. |
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Páginas: |
Não paginado |
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Idioma: |
Inglês |
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Palavras-Chave: |
horse; Naturalized breeds. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00795naa a2200253 a 4500
001 1784331
005 2010-05-21
008 2006 bl --- 0-- u #d
100 1 $aSILVA, A. C. M. E.
245 $aGenetic diversity in naturalized horse breeds in Brazil.
260 $c2006
300 $aNão paginado
653 $ahorse
653 $aNaturalized breeds
700 1 $aPAIVA, S. R.
700 1 $aMCMANUS, C. M.
700 1 $aALBUQUERQUE, M. do S. M.
700 1 $aEGITO, A. A. do
700 1 $aSANTOS, S. A.
700 1 $aLIMA, F. C.
700 1 $aO. R. SERRA
700 1 $aCASTRO, S. T. R.
700 1 $aMARIANTE, A. da S.
773 $tIn: WORLD CONGRESS ON GENETICS APPLIED TO LIVESTOCK PRODUCTION, 8., 2006, Belo Horizonte, MG. Proceedings... Belo Horizonte: Instituto Prociência, 2006.
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Embrapa Pantanal (CPAP) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Leite. Para informações adicionais entre em contato com cnpgl.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Gado de Leite; Embrapa Recursos Genéticos e Biotecnologia. |
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Data corrente: |
16/04/2021 |
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Data da última atualização: |
10/08/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
FERNANDES, C. A. de C.; PEREIRA, J. R.; SOUZA, V. O.; FIGUEIREDO, A. C. S. de; VIANA, J. H. M.; SIQUEIRA, L. G. B.; PALHAO, M. P. |
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Afiliação: |
CARLOS ANTONIO DE CARVALHO FERNANDES, UNIVERSIDADE JOSE DO ROSARIO VELLANO; JESSICA RUIZ PEREIRA, UNIVERSIDADE JOSE DO ROSARIO VELLANO; VINÍCIUS OLIVEIRA SOUZA, UNIVERSIDADE JOSE DO ROSARIO VELLANO; ANA CRISTINA SILVA DE FIGUEIREDO, UNIVERSIDADE JOSE DO ROSARIO VELLANO; JOAO HENRIQUE MOREIRA VIANA, Cenargen; LUIZ GUSTAVO BRUNO SIQUEIRA, CNPGL; MILLER PEREIRA PALHAO, UNIVERSIDADE JOSE DO ROSARIO VELLANO. |
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Título: |
Timing of early resynchronization protocols affects subsequent pregnancy outcome in dairy cows. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Theriogenology, v. 167, p. 61-66, 2021. |
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DOI: |
https://doi.org/10.1016/j.theriogenology.2021.03.009 |
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Idioma: |
Inglês |
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Conteúdo: |
The aim of this study was to evaluate the outcomes of an early resynchronization protocol (Resynch)initiated at different timepoints after timed artificial insemination (TAI) and with unknown pregnancystatus. Holstein cows (n¼164) were submitted to the following TAI protocol: D0, insertion of anintravaginal progesterone (P4) device and 2 mg im estradiol benzoate (EB); D8, removal of P4 device andtreatment with 0.5 mg im sodium cloprostenol (PGF); D9, 0.1 mg im Lecirelin (LEC); and D10, TAI1. Cowswere then randomly assigned to Resynch protocols starting either on day 20 (Resynch20D,n¼82) or 25after TAI1 (Resynch25D,n¼82) with the insertion of a new P4 device and EB treatment. In both groups,P4 device was removed on day 8 after the beginning of Resynch, the same day of pregnancy diagnosis byultrasonography. In pregnant cows there was no further action. Non-pregnant cows were treated with0.5 mg im PGF, had a blood sample collected for serum P4 analysis and we measured and recorded thesize of the largest follicle and the presence or absence of a corpus luteum (CL). One day later, cows weretreated with 0.1 mg im LEC and TAI2 occurred 12e14 h later. The diameter of the largest follicle andserum P4 were compared between groups by ANOVA for the main effects of treatment, presence of a CL,and their interaction, whereas pregnancy per artificial insemination (P/AI) and the percentage of cowswith a CL on the day of ultrasonography were analyzed using the Chi-square test. Follicle diameter on day8 of Resynch was greater for cows in the Resynch20D group compared with Resynch25D (15.9±3.9 vs12.2±2.5 mm, respectively; P¼0.046). The Resynch25D group had a greater percentage of cows with aCL (51.9 vs 18.9%, respectively; P¼0.0008) and higher serum P4 (2.8±1.1 vs 1.7±0.8 ng/mL; P¼0.041)at the end of the protocol compared with Resynch20D. P/AI at TAI1 was 35.4 and 36.6% (P>0.10) forcows enrolled in Resynch20D and Resynch25D groups, respectively. P/AI to TAI2, after Resynch protocols,was greater in Resynch25D than Resynch20D (44.2 vs 22.6%, respectively; P<0.05). In conclusion,starting an early resynchronization protocol 25 days after TAI increases P/AI compared with starting 20days after TAI, and this was associated with a presumed greater proportion of cows with a functional CLat the moment of P4 device removal. MenosThe aim of this study was to evaluate the outcomes of an early resynchronization protocol (Resynch)initiated at different timepoints after timed artificial insemination (TAI) and with unknown pregnancystatus. Holstein cows (n¼164) were submitted to the following TAI protocol: D0, insertion of anintravaginal progesterone (P4) device and 2 mg im estradiol benzoate (EB); D8, removal of P4 device andtreatment with 0.5 mg im sodium cloprostenol (PGF); D9, 0.1 mg im Lecirelin (LEC); and D10, TAI1. Cowswere then randomly assigned to Resynch protocols starting either on day 20 (Resynch20D,n¼82) or 25after TAI1 (Resynch25D,n¼82) with the insertion of a new P4 device and EB treatment. In both groups,P4 device was removed on day 8 after the beginning of Resynch, the same day of pregnancy diagnosis byultrasonography. In pregnant cows there was no further action. Non-pregnant cows were treated with0.5 mg im PGF, had a blood sample collected for serum P4 analysis and we measured and recorded thesize of the largest follicle and the presence or absence of a corpus luteum (CL). One day later, cows weretreated with 0.1 mg im LEC and TAI2 occurred 12e14 h later. The diameter of the largest follicle andserum P4 were compared between groups by ANOVA for the main effects of treatment, presence of a CL,and their interaction, whereas pregnancy per artificial insemination (P/AI) and the percentage of cowswith a CL on the day of ultrasonography were analyzed using the Chi-square test. Follicle diamet... Mostrar Tudo |
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Palavras-Chave: |
Bovine; TAI protocol. |
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Thesagro: |
Gado Leiteiro; Inseminação Artificial; Reprodução Animal. |
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Thesaurus NAL: |
Artificial insemination; Reproductive efficiency. |
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Categoria do assunto: |
--
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 03248naa a2200289 a 4500
001 2133324
005 2021-08-10
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.theriogenology.2021.03.009$2DOI
100 1 $aFERNANDES, C. A. de C.
245 $aTiming of early resynchronization protocols affects subsequent pregnancy outcome in dairy cows.$h[electronic resource]
260 $c2021
520 $aThe aim of this study was to evaluate the outcomes of an early resynchronization protocol (Resynch)initiated at different timepoints after timed artificial insemination (TAI) and with unknown pregnancystatus. Holstein cows (n¼164) were submitted to the following TAI protocol: D0, insertion of anintravaginal progesterone (P4) device and 2 mg im estradiol benzoate (EB); D8, removal of P4 device andtreatment with 0.5 mg im sodium cloprostenol (PGF); D9, 0.1 mg im Lecirelin (LEC); and D10, TAI1. Cowswere then randomly assigned to Resynch protocols starting either on day 20 (Resynch20D,n¼82) or 25after TAI1 (Resynch25D,n¼82) with the insertion of a new P4 device and EB treatment. In both groups,P4 device was removed on day 8 after the beginning of Resynch, the same day of pregnancy diagnosis byultrasonography. In pregnant cows there was no further action. Non-pregnant cows were treated with0.5 mg im PGF, had a blood sample collected for serum P4 analysis and we measured and recorded thesize of the largest follicle and the presence or absence of a corpus luteum (CL). One day later, cows weretreated with 0.1 mg im LEC and TAI2 occurred 12e14 h later. The diameter of the largest follicle andserum P4 were compared between groups by ANOVA for the main effects of treatment, presence of a CL,and their interaction, whereas pregnancy per artificial insemination (P/AI) and the percentage of cowswith a CL on the day of ultrasonography were analyzed using the Chi-square test. Follicle diameter on day8 of Resynch was greater for cows in the Resynch20D group compared with Resynch25D (15.9±3.9 vs12.2±2.5 mm, respectively; P¼0.046). The Resynch25D group had a greater percentage of cows with aCL (51.9 vs 18.9%, respectively; P¼0.0008) and higher serum P4 (2.8±1.1 vs 1.7±0.8 ng/mL; P¼0.041)at the end of the protocol compared with Resynch20D. P/AI at TAI1 was 35.4 and 36.6% (P>0.10) forcows enrolled in Resynch20D and Resynch25D groups, respectively. P/AI to TAI2, after Resynch protocols,was greater in Resynch25D than Resynch20D (44.2 vs 22.6%, respectively; P<0.05). In conclusion,starting an early resynchronization protocol 25 days after TAI increases P/AI compared with starting 20days after TAI, and this was associated with a presumed greater proportion of cows with a functional CLat the moment of P4 device removal.
650 $aArtificial insemination
650 $aReproductive efficiency
650 $aGado Leiteiro
650 $aInseminação Artificial
650 $aReprodução Animal
653 $aBovine
653 $aTAI protocol
700 1 $aPEREIRA, J. R.
700 1 $aSOUZA, V. O.
700 1 $aFIGUEIREDO, A. C. S. de
700 1 $aVIANA, J. H. M.
700 1 $aSIQUEIRA, L. G. B.
700 1 $aPALHAO, M. P.
773 $tTheriogenology$gv. 167, p. 61-66, 2021.
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