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Registros recuperados : 76 | |
9. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | FERES, L. F.; PALHAO, M. P.; SIQUEIRA, L. G. B.; VIANA, J. H. M. Pregnancy losses after transfer of bovine embryos produced by assisted reproductive technologies. Reproduction, Fertility and Development, v. 31, n. 1, p. 167, 2019. Edição dos resumos da Annual Conference of the International Embryo Technology Society, New Orleans, Louisiana, 2019. Biblioteca(s): Embrapa Gado de Leite. |
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18. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | ZANOTELLI, V.; HILGERT, E. R.; RUEDELL, J.; FERES, J.; BARNI, N. A.; GOMES, J. E. Criacao de cultivares de soja. In: REUNIAO CONJUNTA DE PESQUISA DA SOJA RS/SC, 3., 1975, Porto Alegre. Soja: melhoramento e pesquisa varietal. Porto Alegre : IPAGRO, 1975. p. 1-3. Biblioteca(s): Embrapa Soja. |
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Registros recuperados : 76 | |
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![](/consulta/web/img/deny.png) | 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
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
24/08/2023 |
Data da última atualização: |
31/10/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 3 |
Autoria: |
OLIVEIRA, C. S.; ROSA, P. M. da S.; CAMARGO, A. J. dos R.; FERES, L. F.; SARAIVA, N. Z.; OLIVEIRA, L. Z.; CAMARGO, L. S. de A. |
Afiliação: |
CLARA SLADE OLIVEIRA, CNPGL; PAOLA MARIA DA SILVA ROSA; AGOSTINHO JORGE DOS REIS CAMARGO, Pesagro; LUIZ FERNANDO FERES, Universidade José do Rosário Vellano-Unifenas; NAIARA ZOCCAL SARAIVA, CNPGL; LETICIA ZOCCOLARO OLIVEIRA, Universidade Federal de Minas Gerais; LUIZ SERGIO DE ALMEIDA CAMARGO, CNPGL. |
Título: |
Outstanding Gir oocyte donors: how does individual factor affect in vitro embryo production efficiency? |
Ano de publicação: |
2023 |
Fonte/Imprenta: |
Animal Science Journal, v. 94, e13862, 2023. |
DOI: |
https://doi.org/10.1111/asj.13862 |
Idioma: |
Inglês |
Conteúdo: |
The oocyte donor plays a pivotal role in bovine in vitro embryo production (IVP) success. The individual factor affects blastocyst/oocyte ratio and determine the existence of outstanding performing animals. The aim of this study was to assess the extent of individual factor effect to IVP efficiency, in a population of Gir oocyte donors. Extreme (high or low IVP efficiency based on blastocyst/oocyte ratio) animals were selected out of a population of 250 oocyte donors (1,734 observations) to form high (>0.48, n = 40), average (0.17-0.48, n = 168), and low (<0.17, n = 42) efficiency donor groups. Cumulus-oocyte complex indicators (total number, IVF-grade number, and IVF-grade/total ratio) were lower (p < 0.05) in high efficiency donors. The number of blastocysts per OPU was analyzed for highest performing bull, and an increase (p < 0.05) in high efficiency donors and a decrease (p < 0.05) in low efficiency donors were noticed, compared to average efficiency donors. The number of pregnancies obtained per OPU was affected (p = 0.017) by donor?s efficiency (low: 0:600:09, average: 1:170:07, high: 2:570:26), being 4.3-fold higher in high than in low efficiency donors. We conclude that producing embryos from high efficiency blastocyst/oocyte ratio donors increases blastocyst and pregnancy numbers by OPU, being an important indicator for donor selection in IVP programs |
Palavras-Chave: |
Eficiência da PIV; Fertilização in vitro. |
Thesagro: |
Gado Gir; Reprodução Animal. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
Marc: |
LEADER 02181naa a2200253 a 4500 001 2156100 005 2023-10-31 008 2023 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1111/asj.13862$2DOI 100 1 $aOLIVEIRA, C. S. 245 $aOutstanding Gir oocyte donors$bhow does individual factor affect in vitro embryo production efficiency?$h[electronic resource] 260 $c2023 520 $aThe oocyte donor plays a pivotal role in bovine in vitro embryo production (IVP) success. The individual factor affects blastocyst/oocyte ratio and determine the existence of outstanding performing animals. The aim of this study was to assess the extent of individual factor effect to IVP efficiency, in a population of Gir oocyte donors. Extreme (high or low IVP efficiency based on blastocyst/oocyte ratio) animals were selected out of a population of 250 oocyte donors (1,734 observations) to form high (>0.48, n = 40), average (0.17-0.48, n = 168), and low (<0.17, n = 42) efficiency donor groups. Cumulus-oocyte complex indicators (total number, IVF-grade number, and IVF-grade/total ratio) were lower (p < 0.05) in high efficiency donors. The number of blastocysts per OPU was analyzed for highest performing bull, and an increase (p < 0.05) in high efficiency donors and a decrease (p < 0.05) in low efficiency donors were noticed, compared to average efficiency donors. The number of pregnancies obtained per OPU was affected (p = 0.017) by donor?s efficiency (low: 0:600:09, average: 1:170:07, high: 2:570:26), being 4.3-fold higher in high than in low efficiency donors. We conclude that producing embryos from high efficiency blastocyst/oocyte ratio donors increases blastocyst and pregnancy numbers by OPU, being an important indicator for donor selection in IVP programs 650 $aGado Gir 650 $aReprodução Animal 653 $aEficiência da PIV 653 $aFertilização in vitro 700 1 $aROSA, P. M. da S. 700 1 $aCAMARGO, A. J. dos R. 700 1 $aFERES, L. F. 700 1 $aSARAIVA, N. Z. 700 1 $aOLIVEIRA, L. Z. 700 1 $aCAMARGO, L. S. de A. 773 $tAnimal Science Journal$gv. 94, e13862, 2023.
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