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 | Acesso ao texto completo restrito à biblioteca da Embrapa Caprinos e Ovinos. Para informações adicionais entre em contato com cnpc.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
19/10/2020 |
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Data da última atualização: |
25/11/2021 |
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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: |
FIGUEIRA, L. M.; ALVES, N. G.; MAIA, A. L. R. e S.; SOUZA-FABJAN, J. M. G.; BATISTA, R. I. T. P.; ARRAIS, A. M.; LIMA, R. R.; OLIVEIRA, M. E. F.; FONSECA, J. F. da. |
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Afiliação: |
LUCAS MACHADO FIGUEIRA; NADJA GOMES ALVES; ANA LUCIA ROSA E SILVA MAIA; JOANNA MARIA GONÇALVES SOUZA-FABJAN; RIBRIO IVAN TAVARES PEREIRA BATISTA; ALINE MATOS ARRAIS; RENATO RIBEIRO LIMA; MARIA EMILIA FRANCO OLIVEIRA; JEFERSON FERREIRA DA FONSECA, CNPC. |
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Título: |
In vivo embryo production and recovery in lacaune ewes after imposing a superovulation treatment regimen is related to pFSH dose. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Animal Reproduction Science, v. 223, e106625, Dec. 2020. |
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DOI: |
https://doi.org/10.1016/j.anireprosci.2020.106625 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: This study was conducted to assess effects of different doses of pFSH on follicular recruitment, superovulatory response, ova/embryo recovery, and embryo yield in lactating ewes. Ewes (n?=?24) had a superovulation treatment regimen imposed. All ewes were implanted with a progesterone intravaginal device for 9 d, and administered either 100 (G-100) or 200 (G-200) mg pFSH, proportioned into six doses administered at 12-h intervals, starting 60?h before device removal. At 7 days subsequent to progesterone device removal, there were non-surgical embryo recoveries (NSER) from ewes having three or more corpora lutea. At the time of the first pFSH injection, number of antral follicles were similar (P??0.05). Viable embryo numbers and ova/embryo recovery rate were greater (P?
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Palavras-Chave: |
Dosage effects; MOET; Superovulated females; Transcervical; Uterine flushing. |
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Thesaurus NAL: |
Corpus luteum; Dairy sheep; Genetic improvement; Gonadotropins. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02548naa a2200337 a 4500
001 2125627
005 2021-11-25
008 2020 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.anireprosci.2020.106625$2DOI
100 1 $aFIGUEIRA, L. M.
245 $aIn vivo embryo production and recovery in lacaune ewes after imposing a superovulation treatment regimen is related to pFSH dose.$h[electronic resource]
260 $c2020
520 $aAbstract: This study was conducted to assess effects of different doses of pFSH on follicular recruitment, superovulatory response, ova/embryo recovery, and embryo yield in lactating ewes. Ewes (n?=?24) had a superovulation treatment regimen imposed. All ewes were implanted with a progesterone intravaginal device for 9 d, and administered either 100 (G-100) or 200 (G-200) mg pFSH, proportioned into six doses administered at 12-h intervals, starting 60?h before device removal. At 7 days subsequent to progesterone device removal, there were non-surgical embryo recoveries (NSER) from ewes having three or more corpora lutea. At the time of the first pFSH injection, number of antral follicles were similar (P?<?0.05) between ewes in the G-100 and G-200 group, however, there were more 3.1?4.0?mm follicles in ewes of the G-200 than G-100 group at the time of the second pFSH administration. Estrous response and CL number were less (P?<?0.05) in ewes of the G-100 (66.7 % and 2.6?±?0.7) than G-200 (91.7 % and 11.6?±?1.2) group. There were embryo collections from 100 % and 90.9 % of ewes in the G-100 and G-200 groups, respectively (P?>?0.05). Viable embryo numbers and ova/embryo recovery rate were greater (P?<?0.05) in ewes of the G-200 (6.9?±?1.1 and 67.8 %) than G-100 (1.0?±?0.5 and 27.6 %) group. A dose of 200 mg pFSH was more effective in inducing a superovulatory response and embryo yield after NSER in ewes, however, the 100 mg dose was insufficient for these purposes.
650 $aCorpus luteum
650 $aDairy sheep
650 $aGenetic improvement
650 $aGonadotropins
653 $aDosage effects
653 $aMOET
653 $aSuperovulated females
653 $aTranscervical
653 $aUterine flushing
700 1 $aALVES, N. G.
700 1 $aMAIA, A. L. R. e S.
700 1 $aSOUZA-FABJAN, J. M. G.
700 1 $aBATISTA, R. I. T. P.
700 1 $aARRAIS, A. M.
700 1 $aLIMA, R. R.
700 1 $aOLIVEIRA, M. E. F.
700 1 $aFONSECA, J. F. da
773 $tAnimal Reproduction Science$gv. 223, e106625, Dec. 2020.
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