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| Registros recuperados : 18 | |
| 6. |  | BALARO, M. F. A.; SANTOS, A. S.; MOURA, L. F. G. M.; FONSECA, J. F. da; BRANDÃO, F. Z. Luteal dynamic and functionality assessment in dairy goats by luteal blood flow, luteal biometry, and hormonal assay. Theriogenology, v. 95, p. 118-126, June, 2017.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 9. | | YANO, A. A.; PEREIRA JÚNIOR, R.; MOURA, L. F.; SILVA, E. V. da; SILVA, R. A. M. S.; MARQUES, D. K. S. Respostas hematológicas ao estresse de captura nos diferentes estádios de maturação gonadal de Piaractus mesopotamicus. In: ENCONTRO DE INICIAÇÃO CIENTÍFICA DA EMBRAPA PANTANAL, 1.; SEMANA DE BIOLOGIA, 7., 2007, Corumbá. Resumos...Corumbá: Embrapa Pantanal, 2007. (Embrapa Pantanal. Documentos, 89). 1 p.| Biblioteca(s): Embrapa Pantanal. |
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| 10. | | SILVA, E. V. da; YANO, A. A.; MOURA, L. F.; PEREIRA JÚNIOR, R.; SILVA, R. A. M. S.; CALHEIROS, D. F.; MARQUES, D. K. S. Respostas hematológicas sazonais de pacu (Piaractus mesopotamicus) ao estresse de captura no Rio Paraguai, Pantanal, (MS). In: ENCONTRO DE INICIAÇÃO CIENTÍFICA DA EMBRAPA PANTANAL, 1.; SEMANA DE BIOLOGIA, 7., 2007, Corumbá. Resumos...Corumbá: Embrapa Pantanal, 2007. (Embrapa Pantanal. Documentos, 89). 1 p.| Biblioteca(s): Embrapa Pantanal. |
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| 11. | | DA-SILVA, E. V.; PEREIRA-JUNIOR, R. A.; MOURA, L. F.; YANO, A. A.; AGUILAR, M. R. D.; SILVA, R. A. M. S. Natural gill infection of pygocentrus nattereri from south Pantanal, Brazil, by Myxobolus spp (Myxozoa: Myxobolidae). In: ENCONTRO BRASILEIRO DE ICTIOLOGIA, 17., 2007, Itajaí, SC. Resumos...Itajaí: UNIVALI, 2007. p. 342| Biblioteca(s): Embrapa Pantanal. |
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| 12. | | PEREIRA-JUNIOR, R. A.; DA-SILVA, E. V.; MOURA, L. F. F.; YANO, A. A.; AGUILAR, M. R. D.; SILVA, R. M. S. Presence of myxosporidea (Myxozoa: Myxosporea) of the genus henneguya thelohan, 1892 in Pygocentrus nattereri from south Pantanal, Brazil. In: ENCONTRO BRASILEIRO DE ICTIOLOGIA, 17., 2007, Itajaí, SC. Resumos...Itajaí: UNIVALI, 2007. p. 341| Biblioteca(s): Embrapa Pantanal. |
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| 13. | | CASTRO, C. E. F. de; MOREIRA, S. R.; CASTRO, A. C. R. de; SOUZA, F. V. D.; LOGES, V.; GONÇALVES, C.; COSTA, M. A. P. de C.; MOURA, L. F. de. Avaliação de espécies de Costaceae para uso ornamental. In: CONGRESSO BRASILEIRO DE FLORICULTURA E PLANTAS ORNAMENTAIS, 17.; CONGRESSO BRASILEIRO DE CULTURA DE TECIDOS DE PLANTAS, 4.; 2009, Aracaju. Ciência, inovação e sustentabilidade: [anais...]. Aracaju: Embrapa Tabuleiros Costeiros; Cruz das Almas: Embrapa Mandioca e Fruticultura Tropical, 2009. 1 CD-ROM. (Embrapa Tabuleiros Costeiros. Documentos, 150). Organizadores: Ana da Silva Lédo; Fernanda Vidigal D. Souza; Vivian Loges; Everton Hilo de Souza; Ana Cecília R. de Castro.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 14. | | BALARO, M. F. A.; FONSECA, J. F. da; SANTOS, A. S.; MOURA, L. F. G. M.; FARIA, N. A. C. de; FABJAN, J. M. G. de S.; VASCONCELOS, C. O. de P.; BRANDÃO, F. Z. Perfil de progesterona plasmática e características luteais de cabras da raça saanen gestantes e não gestantes. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE TECNOLOGIA DE EMBRIÕES, 29., 2015, Gramado. Anais... [S.l.]: SBTE, 2015. p. 396.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 15. | | FREITAS, A. F. de; COSTA, C. N.; MENEZES, C. R. A. de; PAIVA, L. de C.; SILVA, M. V. G. B.; GUIMARAES, M. F. M.; CAETANO, A. R.; PAIVA, S. R.; JUNQUEIRA, A. N.; MOURA, L. F. de M. Programa de melhoramento genético da raça Girolando: teste de progênie: Sumário de Touros 2009. Juiz de Fora: Embrapa Gado de Leite, 2009. 45 p. il. (Embrapa Gado de Leite. Documentos, 133).| Biblioteca(s): Embrapa Gado de Leite; Embrapa Recursos Genéticos e Biotecnologia. |
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| 16. | | BALARO, M. F. A.; SANTOS, A. S.; MELLO, S. G. V.; CAVALCANTI, L. M.; GONÇALVES, L. H. S.; MOURA, L. F. G. M.; FABJAN, J. M. G. S.; FONSECA, J. F. da; BRANDÃO, F. Z. Reproductive seasonality in Saanen goats managed in southeast Brazil. Animal Reproduction, v. 13, n. 3, p. 620, Jul./Sept. 2016. Proceedings of the 30th Annual Meeting of the Brazilian Embryo Technology Society (SBTE); Foz do Iguaçu, PR, Brazil, August 25th to 27th, 2016, and 32nd Meeting of the European Embryo Transfer Association (AETE); Barcelona, Spain,...| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 17. | | BALARO, M. F. A.; FERNANDES, D. A. de M.; MOURA, L. F. G. M.; SANTOS, A. da S.; FARIA, N. A. C. de; CAVALCANTI, L. M.; GONÇALVES, L. H. S.; RIBEIRO, A. C. S.; DELGADO, K. F.; FONSECA, J. F. da; BRANDÃO, F. Z. Parâmetros biométricos de maior praticidade na estimação da idade fetal por ultrassonografia em cabras da raça Saanen no terço inicial de gestação. In: CONGRESSO BRASILEIRO DE REPRODUÇÃO ANIMAL, 21., 2015, Belo Horizonte. Anais... Belo Horizonte: CBRA, 2015. p. 149.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 18. | | SILVA, M. V. G. B.; FREITAS, A. F. de; PAIVA, L. de C.; MENEZES, C. R. A. de; COSTA, C. N.; GUIMARAES, M. F. M.; CAETANO, A. R.; PAIVA, S. R.; ARBEX, W. A.; JUNQUEIRA, A. N.; MOURA, L. F. de M.; AZEVEDO, A. A. Programa de melhoramento genético da raça Girolando: teste de progênie: Sumário de Touros 2010. Juiz de Fora: Embrapa Gado de Leite, 2010. 48 p. il. (Embrapa Gado de Leite. Documentos, 139).| Biblioteca(s): Embrapa Gado de Leite. |
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| Registros recuperados : 18 | |
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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: |
16/05/2017 |
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Data da última atualização: |
31/05/2017 |
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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: |
BALARO, M. F. A.; SANTOS, A. S.; MOURA, L. F. G. M.; FONSECA, J. F. da; BRANDÃO, F. Z. |
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Afiliação: |
Mario Felipe A. Balaro, Universidade Federal Fluminense (UFV) - Niteroi, RJ, Brazil; Alex S. Santos, Universidade Federal Fluminense (UFV) - Niteroi, RJ, Brazil; Luiz Fernando G. M. Moura, Universidade Federal Fluminense (UFV) - Niteroi, RJ, Brazil; JEFERSON FERREIRA DA FONSECA, CNPC; Felipe Z. Brandão, Universidade Federal Fluminense (UFV) - Niteroi, RJ, Brazil. |
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Título: |
Luteal dynamic and functionality assessment in dairy goats by luteal blood flow, luteal biometry, and hormonal assay. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Theriogenology, v. 95, p. 118-126, June, 2017. |
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DOI: |
https://doi.org/10.1016/j.theriogenology.2017.02.021 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: This study aimed to assess the luteal dynamics of pregnant and non-pregnant Saanen goats throughout an estrous cycle by B-mode and color Doppler ultrasonography (US) associated with a P4 hormonal assay. Furthermore, a cutoff point was chosen to determine the corpus luteum (CL) functionality by luteal biometry (LB) measurement and luteal blood flow (LBF) assessment. Ultrasound assessment was carried out daily throughout an entire estrous cycle (21 days) in 23 Saanen goats pre-synchronized and inseminated in the breeding season. The plasmatic P4 concentration was determined daily by radioimmunoassay. LB parameters (diameter, area, and volume) were measured using the maximum area of a cross-section of the CL. LBF assessment was performed subjectively by percentage of area of colored pixels and objectively by calculating the number of the colored pixels. Eventually, 45.0% (9/20) and 55.0% (11/20) of goats became pregnant and or remained non-pregnant, respectively. The LB and LBF demonstrated value stabilization on the 9th day of the estrous cycle and maximum values on the 12th and 13th days of the estrous cycle, respectively. LB presented a progressive decrease in the luteal regression phase, whereas the LBF decreased abruptly in association with P4. The LBF values were more reliable in predicting the luteal functionality when compared to the LB data. The number of colored pixels accurately predicted values of P4 >1.0 ng/mL, reaching only 17% of the maximum values, and 1200 colored pixels as a minimum cutoff point when compared to the use of 53% of the maximum values and a minimum luteal diameter of 9.0 mm as cutoff point for P4 >1.0 ng/mL. The LBF assessment was more informative about the CL functionality throughout the complete luteal phase when compared to the LB. The use of the number of colored pixels is indicated for research regarding luteal functionality due to their greater correlation with P4 values. In addition, the luteal subjective evaluation can be used under field conditions due to greater convenience and similar pattern of correlation with P4. MenosAbstract: This study aimed to assess the luteal dynamics of pregnant and non-pregnant Saanen goats throughout an estrous cycle by B-mode and color Doppler ultrasonography (US) associated with a P4 hormonal assay. Furthermore, a cutoff point was chosen to determine the corpus luteum (CL) functionality by luteal biometry (LB) measurement and luteal blood flow (LBF) assessment. Ultrasound assessment was carried out daily throughout an entire estrous cycle (21 days) in 23 Saanen goats pre-synchronized and inseminated in the breeding season. The plasmatic P4 concentration was determined daily by radioimmunoassay. LB parameters (diameter, area, and volume) were measured using the maximum area of a cross-section of the CL. LBF assessment was performed subjectively by percentage of area of colored pixels and objectively by calculating the number of the colored pixels. Eventually, 45.0% (9/20) and 55.0% (11/20) of goats became pregnant and or remained non-pregnant, respectively. The LB and LBF demonstrated value stabilization on the 9th day of the estrous cycle and maximum values on the 12th and 13th days of the estrous cycle, respectively. LB presented a progressive decrease in the luteal regression phase, whereas the LBF decreased abruptly in association with P4. The LBF values were more reliable in predicting the luteal functionality when compared to the LB data. The number of colored pixels accurately predicted values of P4 >1.0 ng/mL, reaching only 17% of the maximum values, and... Mostrar Tudo |
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Palavras-Chave: |
Color Doppler ultrasound; Does; Luteinized-persistent follicle; Number of colored pixels; Oestrous cycle. |
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Thesagro: |
Cabra leiteira; Caprino; Ciclo estral; Corpo lúteo; Progesterona. |
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Thesaurus NAL: |
Corpus luteum; Goats; Progesterone; Saanen. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 03150naa a2200349 a 4500
001 2069658
005 2017-05-31
008 2017 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.theriogenology.2017.02.021$2DOI
100 1 $aBALARO, M. F. A.
245 $aLuteal dynamic and functionality assessment in dairy goats by luteal blood flow, luteal biometry, and hormonal assay.$h[electronic resource]
260 $c2017
520 $aAbstract: This study aimed to assess the luteal dynamics of pregnant and non-pregnant Saanen goats throughout an estrous cycle by B-mode and color Doppler ultrasonography (US) associated with a P4 hormonal assay. Furthermore, a cutoff point was chosen to determine the corpus luteum (CL) functionality by luteal biometry (LB) measurement and luteal blood flow (LBF) assessment. Ultrasound assessment was carried out daily throughout an entire estrous cycle (21 days) in 23 Saanen goats pre-synchronized and inseminated in the breeding season. The plasmatic P4 concentration was determined daily by radioimmunoassay. LB parameters (diameter, area, and volume) were measured using the maximum area of a cross-section of the CL. LBF assessment was performed subjectively by percentage of area of colored pixels and objectively by calculating the number of the colored pixels. Eventually, 45.0% (9/20) and 55.0% (11/20) of goats became pregnant and or remained non-pregnant, respectively. The LB and LBF demonstrated value stabilization on the 9th day of the estrous cycle and maximum values on the 12th and 13th days of the estrous cycle, respectively. LB presented a progressive decrease in the luteal regression phase, whereas the LBF decreased abruptly in association with P4. The LBF values were more reliable in predicting the luteal functionality when compared to the LB data. The number of colored pixels accurately predicted values of P4 >1.0 ng/mL, reaching only 17% of the maximum values, and 1200 colored pixels as a minimum cutoff point when compared to the use of 53% of the maximum values and a minimum luteal diameter of 9.0 mm as cutoff point for P4 >1.0 ng/mL. The LBF assessment was more informative about the CL functionality throughout the complete luteal phase when compared to the LB. The use of the number of colored pixels is indicated for research regarding luteal functionality due to their greater correlation with P4 values. In addition, the luteal subjective evaluation can be used under field conditions due to greater convenience and similar pattern of correlation with P4.
650 $aCorpus luteum
650 $aGoats
650 $aProgesterone
650 $aSaanen
650 $aCabra leiteira
650 $aCaprino
650 $aCiclo estral
650 $aCorpo lúteo
650 $aProgesterona
653 $aColor Doppler ultrasound
653 $aDoes
653 $aLuteinized-persistent follicle
653 $aNumber of colored pixels
653 $aOestrous cycle
700 1 $aSANTOS, A. S.
700 1 $aMOURA, L. F. G. M.
700 1 $aFONSECA, J. F. da
700 1 $aBRANDÃO, F. Z.
773 $tTheriogenology$gv. 95, p. 118-126, June, 2017.
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