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| Registros recuperados : 192 | |
| 21. |  | PANTOJA, L.; PINTO, N. A. V. D.; LOPES, C.; GANDRA, R.; SANTOS, A. S. dos. Caracterização física e físico-química de frutos de duas variedades de tamarilho oriundas do norte de Minas Gerais. Revista Brasileira de Fruticultura, Jaboticabal, v. 31, n. 3, p. 916-919, set. 2009. Também disponível em:.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 23. | | SANTOS, A. S.; LEDO, C. A. da S.; FERREIRA, C. F.; ARAÚJO, J. S. Caracterização de acessos de mandioca silvestre para uso no pré-melhoramento de Manihot esculenta Crantz. In: CONGRESSO BRASILEIRO DE RECURSOS GENÉTICOS, 2., 2012, Belém, PA. Anais... Brasília, DF: Sociedade Brasileira de Recursos Genéticos, 2012. 1 CD-ROM.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 25. | | SOUZA, R. F. de; GUILHON, G. M. S. P.; AGUIAR, O. J. R.; SANTOS, A. S. Concentrados de metabólitos obtidos das folhas da teca (Tectona grandis (L.f)) para uso como corante. In: ENCONTRO DE PROFISSIONAIS DA QUÍMICA DA AMAZÔNIA, 10., 2007, Belém, PA. Recursos naturais: uma reflexão para os profissionais da química. Belém, PA: Conselho Regional de Química da 6ª Região, 2007. 1 CD-ROM.| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 26. | | SANTOS, A. S.; FIGUEIREDO, F. J. C.; ROCHA NETO, O. G. da; ALVES, S. de M. Métodos práticos de secagem de biomassa de plantas de pimenta longa Piper hispidinervum C.DC.) para a produção de safrol. In: WORKSHOP DE ENCERRAMENTO DO PROJETO DE DESENVOLVIMENTO DE TECNOLOGIAS PARA PRODUÇÃO DE SAFROL A PARTIR DE PIMENTA LONGA (Piper hispidinervum), 1., 2001, Rio Branco, AC. Anais... Rio Branco, AC: Embrapa Acre, 2001. p. 140-146. il. (Embrapa Acre. Documentos, 75).| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 27. | | SANTOS, A. S.; PALMA, G. F. L.; CUNHA, P. R. F.; MEIRA, S. R. L. Especificando um sistema celular baseado em CDMA. In: SEMINÁRIO INTEGRADO DE SOFTWARE E HARDWARE, 22.; CONFERÊNCIA LATINO-AMERICANA, 21., 1995, Canela. Anais... Porto Alegre: UFRGS, Instituto de Informática, 1995. v.2 p. 1291-1302.| Biblioteca(s): Embrapa Agricultura Digital. |
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| 29. | | LEMOS, L. S.; SANTOS, A. S. O.; SILVA, R. M. C.; CARVALHO, E. C. Q. Gramuloma micótico facial de ovino. Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Belo Horizonte, v. 57, supl. 1, p. 33, jul. 2005. Edição de Resumos do XII Encontro Nacional de Patologia Veterinária - ENAPAVE, jul. 2005.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 31. | | WOLKOFF, D. B.; SANTOS, A. S.; MORETTI, R. H.; DELLA MODESTA, R. C.; MATTA, V. M. Estudo da preferencia de misturas de sucos para formulacao de repositor hidroeletrolitico. In: SIMPOSIO LATINO AMERICANO DE CIENCIA DE ALIMENTOS, 4., 2001, Campinas, SP. Livro de Resumos... 2001. p.226, ref. 0747-254.1.| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| 34. | | SANTOS, A. S.; FIGUEIREDO, F. J. C.; ALVES, S. de M.; ROCHA NETO, O. G. da. Sazonalidade de teor de safrol em óleo essencial extraído de biomassa de pimenta longa (Piper hispidinervum C.DC.). In: WORKSHOP DE ENCERRAMENTO DO PROJETO DE DESENVOLVIMENTO DE TECNOLOGIAS PARA PRODUÇÃO DE SAFROL A PARTIR DE PIMENTA LONGA (Piper hispidinervum), 1., 2001, Rio Branco, AC. Anais... Rio Branco, AC: Embrapa Acre, 2001. p. 80-84. il. (Embrapa Acre. Documentos, 75).| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 36. | | MACEDO, B. B. A.; PINTO, Z. V.; PATRICIO, F. R. A.; SANTOS, A. S. Seleção de isolados de Trichoderma spp. antagônicos a Rhizoctonia solani. Summa Phytopathologica, Botucatu, v. 30, n. 1, p. 96, jan./mar. 2004. Resumo. Trabalho apresentado no 27º Congresso Paulista de Fitopatologia, 2003, Botucatu.| Biblioteca(s): Embrapa Hortaliças. |
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| 39. | | ARAÚJO, J. S.; LEDO, C. A. da S.; MARTINS, M. L. L.; SANTOS, A. S. Diversidade genética em acessos de espécies silvestres de Manihot, mediante caracterização morfológica. In: CONGRESSO BRASILEIRO DE RECURSOS GENÉTICOS, 2., 2012, Belém, PA. Anais... Brasília, DF: Sociedade Brasileira de Recursos Genéticos, 2012. 1 CD-ROM.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| Registros recuperados : 192 | |
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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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