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| Registros recuperados : 165 | |
| 41. |  | FERES, L.; SIQUEIRA, L. G. B.; PALHAO, M.; SANTOS, L.; PFEIFER, L. F. M.; VIANA, J. H. M. Does selection for oocyte yield indirectly affect production traits in Gir cattle (Bos taurus indicus)? Reproduction, Fertility and Development, v. 34, n. 2, p. 301-302, 2022. Edição dos abstracts da Annual Conference of the International Embryo Transfer Society, 48., Savannah, Geórgia, 2022.| Biblioteca(s): Embrapa Gado de Leite. |
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| 43. | | OLIVEIRA, A. P.; LEITE, R. C.; HEINMAM, M. B.; SIQUEIRA, L. G. B.; MACIEL, A.; VIANA, J. H. M. Investigation of bovine herpesvirus in cumulus-oocyte complexes and follicular fluid. In: REPRODUCTION, FERTILITY AND DEVELOPMENT. 20. 2008, Anais. Colorado. Csiro, Academy of Science, 2008. 1 p.| Biblioteca(s): Embrapa Gado de Leite. |
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| 44. | | VIANA, J. H. M.; PALHÃO, M. P.; SIQUEIRA, L. G. B.; FONSECA, J. F. da; CAMARGO, L. S. de A. Ovarian follicular dynamics, follicle deviation, and oocyte yield in Gyr breed (Bos indicus) cows undergoing repeated ovum pick-up. Theriogenology, v. 73, n. 7, p. 966-972, 2010.| Biblioteca(s): Embrapa Caprinos e Ovinos; Embrapa Gado de Leite. |
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| 45. | | PFEIFER, L. F. M.; SIQUEIRA, L. G. B.; ARASHIRO, E. K. N.; CASTRO, N. A. de; VIANA, J. H. M. Prostaglandin F2a or estradiol benzoate to induce ovulation in timed artificially inseminated dairy cows. Pesquisa Agropecuária Brasileira, Brasília, DF v. 51, n. 6, p. 738-744, jun. 2016.| Biblioteca(s): Embrapa Gado de Leite; Embrapa Recursos Genéticos e Biotecnologia; Embrapa Unidades Centrais. |
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| 46. | | AMARAL, T. F.; GRAZIA, J. G. V. de; MARTINHAO, L A. G.; DE COL, F.; SIQUEIRA, L. G. B.; VIANA, J. H. M.; HANSEN, P. J. Actions of CSF2 and DKK1 on bovine embryo development and pregnancy outcomes are affected by composition of embryo culture medium. Scientific Reports, v. 12, 7503, 2022.| Biblioteca(s): Embrapa Gado de Leite; Embrapa Recursos Genéticos e Biotecnologia. |
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| 47. | | VIANA, J. H. M.; PEREIRA, N. E. S.; FARIA, O. A. C.; DIAS, L. R. O.; OLIVEIRA, E. R.; FERNANDES, C. A. C.; SIQUEIRA, L. G. B. Active immunization against GnRH as an alternative therapeutic approach for the management of Bos indicus oocyte donors diagnosed with chronic cystic ovarian disease. Theriogenology, v. 172, p. 133-141, 2021.| Biblioteca(s): Embrapa Gado de Leite; Embrapa Recursos Genéticos e Biotecnologia. |
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| 48. | | GHETTI, A. M.; ZANDONADI, F.; SIQUEIRA, L. G. B.; CAMARGO, L. S. de A.; ARASHIRO, E. K. N.; PAIM, C. A. S.; VIANA, J. H. M. Aspiração de folículos orientada por ultrasonografia não reduz o fluxo sanguíneo da parede folicular - resultados preliminares. Reunião Anual da Sociedade Brasileira de Tecnologia de Embriões, 25., 2011, Cumbuco. Resumos... p. 390| Biblioteca(s): Embrapa Gado de Leite. |
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| 49. | | ARASHIRO, E. K. N.; FONSECA, J. F. da; SIQUEIRA, L. G. B.; FERNANDES, C. A.; BRANDÃO, F. Z.; OBA, E.; VIANA, J. H. M. Assessment of luteal function in goats by ultrasonographic image attribute analysis. Small Ruminant Research, v. 94, n. 1/3, p. 176-179, Nov. 2010.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 50. | | FONSECA, J. F.; BRUSCHI, J. H.; VIANA, J. H. M.; CAMARGO, L. S. A.; SIQUEIRA, L. G. B.; SANTOS, M. L. Alternative days for prostaglandin administration in short-term protocols for estrous synchronization in goats. In: TSUKUBA MEETING FOR ANIMAL BIOTECHNOLOGY (TMAB), 2007, Tsukuba. Proceedings... Tsukuba, Japan: National Institute of Agrobiological Sciences - NIAS: National Institute of Livestock and Grassland Science (NILGS), 2007. p. 43-35.| Biblioteca(s): Embrapa Caprinos e Ovinos; Embrapa Gado de Leite. |
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| 51. | | SIQUEIRA, L. G. B.; AREAS, V. S.; GHETTI, A. M.; FONSECA, J. F. da; PALHAO, M. P.; FERNANDES, C. A. C.; VIANA, J. H. M. Color Doppler flow imaging for the early detection of nonpregnant cattle at 20 days after timed artificial insemination. Journal of Dairy Science, v. 96, n. 10, p. 6461-6472, 2013.| Biblioteca(s): Embrapa Caprinos e Ovinos; Embrapa Gado de Leite. |
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| 52. | | VIANA, J. H. M.; CAMARGO, L. S. A.; SIQUEIRA, L. G. B.; SOUZA, E. D.; FREITAS, C.; FERNANDES, C. A. C. Characteristics of the superovulatory response in Gyr (Bos Indicus) cattle. Reproduction, Fertility and Development, v. 19, n. 1, p. 311-312, 2007. Edição dos proceedings do Annual Conference of the Internatinal Embryo Transfer Society, 2007, Kyoto.| Biblioteca(s): Embrapa Gado de Leite. |
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| 55. | | SIQUEIRA, L. G. B.; TRIBULO, P.; DENICOL, A. C.; ORTEGA, M. S.; NEGRON-PEREZ, V.M.; KANNAMPUZHA-FRANCIS, J. P.; HANSEN, P. J. Consequences of in vitro production of embryos with or whithout colony-stimulating factor 2 in culture medium on morphometric features of the bovine conceptus at day 86 of gestation In: ANNUAL CONFERENCE OF THE INTERNATIONAL EMBRYO TRANSFER SOCIETY, 2016, Louisville. Reproduction, fertility and development: proceedings. Louisville: [s.n.], 2016.| Biblioteca(s): Embrapa Gado de Leite. |
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| 56. | | AREAS, V. S.; SIQUEIRA, L. G. B.; GHETTI, A. M.; SOUZA, E. D.; ARASHIRO, E. K. N.; CAMARGO, L. S. de A.; VIANA, J. H. M. Avaliação da vascularização do corpo lúteo por Doppler colorido no período de reconhecimento materno da gestação: REsultados preliminares. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE TECNOLOGIA DE EMBRIÕES, 26., 2012, Foz do Iguaçu. Anais. Belo Horizonte: CBRA, 2012. p. 491| Biblioteca(s): Embrapa Gado de Leite. |
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| 57. | | AMORIM. L. S.; FONSECA, J. F. da; SIQUEIRA, L. G. B.; VIANA, J. H. M.; ZAMBRINI, F. N.; SEIDEL, G. E.; TORRES, C. A. A. Association of dietary urea with plasma and follicular fluid concentration of hormones and metabolites in goats. In: ANNUAL MEETING OF THE EUROPEAN SOCIETY FOR PAEDIATRIC GASTROENTEROLOGY, HEPATOLOGY AND NUTRITION, 43., 2010, Istanbul. Abstracts... Ankara: Hacettepe University, 2010.| Biblioteca(s): Embrapa Gado de Leite. |
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| 58. | | VIANA, J. H. M.; ARASHIRO, E. K. N.; SIQUEIRA, L. G. B.; PALHAO, M. P.; CAMARGO, L. S. de A.; FERNANDES, C. A. C. Manejo de riscos associados à aspiração folicular orientada por ultrassonografia em bovinos. Spermova, v. 3, n. 1, p. 11-14, 2013.| Biblioteca(s): Embrapa Gado de Leite. |
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| 59. | | GHETTI, A. M.; BRANDAO, F. Z.; SIQUEIRA, L. G. B.; AREAS, V. S.; ARASHIRO, E. K. N.; FERNANDES, C. A. C.; PALHAO, M. P.; VIANA, J. H. M. Comparação dos metodos e subjetivo de avaliação do padrão vascular do foliculo pre-ovulatorio utilizando-se Doppler colorido. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE TECNOLOGIA DE EMBRIÕES, 26., 2012, Foz do Iguaçu. Anais. Belo Horizonte: CBRA, 2012. p. 478.| Biblioteca(s): Embrapa Gado de Leite. |
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| 60. | | ESTEVE, L. V.; BRANDÃO, F. Z.; ZAMBRINI, F. N.; SIQUEIRA, L. G. B.; VIANA, J. H. M.; FONSECA, J. F. da. Sincronização de estro e acompanhamento ultrassonográfico em cabras Toggenburg destinadas a tratamentos superovulatórios. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE TECNOLOGIA DE EMBRIÕES, 26., 2012, Foz do Iguaçu. Anais. Belo Horizonte: CBRA, 2012. SBTE 133. p. 407.| Biblioteca(s): Embrapa Caprinos e Ovinos; Embrapa Gado de Leite. |
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| Registros recuperados : 165 | |
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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 Caprinos e Ovinos; Embrapa Gado de Leite. |
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Data corrente: |
21/05/2010 |
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Data da última atualização: |
15/02/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
VIANA, J. H. M.; PALHÃO, M. P.; SIQUEIRA, L. G. B.; FONSECA, J. F. da; CAMARGO, L. S. de A. |
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Afiliação: |
JOAO HENRIQUE MOREIRA VIANA, CNPGL; M. P. PALHÃO, UFV; LUIZ GUSTAVO BRUNO SIQUEIRA, CNPGL; JEFERSON FERREIRA DA FONSECA, CNPC; LUIZ SERGIO DE ALMEIDA CAMARGO, CNPGL. |
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Título: |
Ovarian follicular dynamics, follicle deviation, and oocyte yield in Gyr breed (Bos indicus) cows undergoing repeated ovum pick-up. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
Theriogenology, v. 73, n. 7, p. 966-972, 2010. |
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DOI: |
https://doi.org/10.1016/j.theriogenology.2009.11.025 |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this study was to evaluate ovarian follicular dynamics during intervals between successive ovum pick-up (OPU) and determine its effects on the number and quality of recovered cumulus-oocyte complexes (COCs) in Zebu cows (Bos indicus). Pluriparous nonlactating Gyr cows (Bos indicus; n = 10) underwent four consecutive OPU sessions at 96-h intervals. The dynamics of ovarian follicular growth between OPU sessions was monitored by twice-daily ultrasonographic examinations. A single dominant follicle (DF) or two codominant (CDF) follicles (>9 mm) were present in 63.3% (19 of 30) of intervals studied, with follicle deviation beginning when the future dominant follicle (F1) achieved a diameter of 6.2 0.3 mm. The phenomenon of codominance was observed in four (13.3%) of the inter-OPU intervals. The remaining intervals (36.6%, 11 of 30) were characterized by a greater follicular population, lower rate of follicular growth, and a smaller diameter F1 (P < 0.0001). There was a tendency (P = 0.08) toward an increase in the number of recovered COCs when dominant follicles were not present (NDF). The quality of COCs was not affected by the presence of a single dominant follicle, but codominant follicles resulted in recovery of a lower proportion of viable embryos (40.0%, 62.1%, and 63.6%; P < 0.05) and higher proportions of degenerate COCs (56.0%, 30.3%, and 28.6%; P < 0.05) for CDF, NDF, and DF respectively.We concluded that, in Zebu cows, (a) repeated follicle spirations altered ovarian follicular dynamics, perhaps by increasing follicular growth rate; (b) follicular dominance could be established in cows undergoing twice-a-week OPU; and (c) the presence of a dominant follicle during short inter-OPU intervals may not affect COC quality, except when a codominant follicle was present. # 2010 Elsevier Inc. All rights reserved. MenosThe objective of this study was to evaluate ovarian follicular dynamics during intervals between successive ovum pick-up (OPU) and determine its effects on the number and quality of recovered cumulus-oocyte complexes (COCs) in Zebu cows (Bos indicus). Pluriparous nonlactating Gyr cows (Bos indicus; n = 10) underwent four consecutive OPU sessions at 96-h intervals. The dynamics of ovarian follicular growth between OPU sessions was monitored by twice-daily ultrasonographic examinations. A single dominant follicle (DF) or two codominant (CDF) follicles (>9 mm) were present in 63.3% (19 of 30) of intervals studied, with follicle deviation beginning when the future dominant follicle (F1) achieved a diameter of 6.2 0.3 mm. The phenomenon of codominance was observed in four (13.3%) of the inter-OPU intervals. The remaining intervals (36.6%, 11 of 30) were characterized by a greater follicular population, lower rate of follicular growth, and a smaller diameter F1 (P < 0.0001). There was a tendency (P = 0.08) toward an increase in the number of recovered COCs when dominant follicles were not present (NDF). The quality of COCs was not affected by the presence of a single dominant follicle, but codominant follicles resulted in recovery of a lower proportion of viable embryos (40.0%, 62.1%, and 63.6%; P < 0.05) and higher proportions of degenerate COCs (56.0%, 30.3%, and 28.6%; P < 0.05) for CDF, NDF, and DF respectively.We concluded that, in Zebu cows, (a) repeated follicle spirations ... Mostrar Tudo |
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Palavras-Chave: |
Brasil; Dinâmica folicular; Folículo; Follicle ablation; OPU; Ovarian follicle; Ovarian follicular development; Zebu cattle. |
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Thesagro: |
Ciclo estral; Endocrinologia; Gado; Reprodução animal. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
|
Marc: |
LEADER 02867naa a2200325 a 4500
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024 7 $ahttps://doi.org/10.1016/j.theriogenology.2009.11.025$2DOI
100 1 $aVIANA, J. H. M.
245 $aOvarian follicular dynamics, follicle deviation, and oocyte yield in Gyr breed (Bos indicus) cows undergoing repeated ovum pick-up.$h[electronic resource]
260 $c2010
520 $aThe objective of this study was to evaluate ovarian follicular dynamics during intervals between successive ovum pick-up (OPU) and determine its effects on the number and quality of recovered cumulus-oocyte complexes (COCs) in Zebu cows (Bos indicus). Pluriparous nonlactating Gyr cows (Bos indicus; n = 10) underwent four consecutive OPU sessions at 96-h intervals. The dynamics of ovarian follicular growth between OPU sessions was monitored by twice-daily ultrasonographic examinations. A single dominant follicle (DF) or two codominant (CDF) follicles (>9 mm) were present in 63.3% (19 of 30) of intervals studied, with follicle deviation beginning when the future dominant follicle (F1) achieved a diameter of 6.2 0.3 mm. The phenomenon of codominance was observed in four (13.3%) of the inter-OPU intervals. The remaining intervals (36.6%, 11 of 30) were characterized by a greater follicular population, lower rate of follicular growth, and a smaller diameter F1 (P < 0.0001). There was a tendency (P = 0.08) toward an increase in the number of recovered COCs when dominant follicles were not present (NDF). The quality of COCs was not affected by the presence of a single dominant follicle, but codominant follicles resulted in recovery of a lower proportion of viable embryos (40.0%, 62.1%, and 63.6%; P < 0.05) and higher proportions of degenerate COCs (56.0%, 30.3%, and 28.6%; P < 0.05) for CDF, NDF, and DF respectively.We concluded that, in Zebu cows, (a) repeated follicle spirations altered ovarian follicular dynamics, perhaps by increasing follicular growth rate; (b) follicular dominance could be established in cows undergoing twice-a-week OPU; and (c) the presence of a dominant follicle during short inter-OPU intervals may not affect COC quality, except when a codominant follicle was present. # 2010 Elsevier Inc. All rights reserved.
650 $aCiclo estral
650 $aEndocrinologia
650 $aGado
650 $aReprodução animal
653 $aBrasil
653 $aDinâmica folicular
653 $aFolículo
653 $aFollicle ablation
653 $aOPU
653 $aOvarian follicle
653 $aOvarian follicular development
653 $aZebu cattle
700 1 $aPALHÃO, M. P.
700 1 $aSIQUEIRA, L. G. B.
700 1 $aFONSECA, J. F. da
700 1 $aCAMARGO, L. S. de A.
773 $tTheriogenology$gv. 73, n. 7, p. 966-972, 2010.
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