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| Registros recuperados : 11 | |
| 2. |  | SOUZA, G. N. de; MARILHO, L. L.; SILVA, M. R.; GUERRA, U. C.; BRUNO, A. F. Efeitos da temperatura de armazenamento e do tempo na contagem de células somáticas no leite de cabra. Revista do Instituto de Laticínios Cândido Tostes, Juiz de Fora, v. 67, n. 385, p. 38-41, mar./abr., 2012.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 3. | | SOUZA, G. N. de; SILVA, M. R.; PEREIRA, L. K.; ZIECH, R. E.; BRUNO, A. F.; HYLARIO, S. M. Percepção dos principais problemas sanitários em rebanhos vinculados à Associação de criadores de gado holandes do estado de Minas Gerais. In: CONGRESSO BRASILEIRO DE MEDICINA VETERINÁRIA, 39., 2012, Santos. Anais... São Paulo: Sociedade Brasileira de Medicina Veterinária, 2012.| Biblioteca(s): Embrapa Gado de Leite. |
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| 4. | | OLIVEIRA, E. F. DE; BRITO, M. A. V. P. e; LANGE, C. C.; HYLARIO, S. M.; BRUNO, A. F.; SILVA, M. R.; SOUZA, G. N. de. Estimate of Staphylococcus aureus and Streptococcus agalactiae prevalence among dairy herds from Minas Gerais Holstein Dairy Association, Brazil, 2011/2012. In: NATIONAL MASTITIS COUNCIL ANNUAL MEETING, 52, 2013, San Diego. Proceedings... San Diego: [s.n.], 2013. p. 209-210.| Biblioteca(s): Embrapa Gado de Leite. |
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| 5. | | SOUZA, G. N. de; BRITO, M. A. V. P. e; LANGE, C. C.; SILVA, M. R.; HYLARIO, S. M.; BRUNO, A. F.; OZORIO, R. S. Prevalence of contageous mastitis bovine pathogenics in dairy herds from Minas Gerais Holstein Association. In: Simpósio Embrapa LabEx EUA de Sanidade Animal, 2., 2012, Brasília. Proceedings... Brasília: Embrapa Estudos e Capacitação, 2012 p. 9| Biblioteca(s): Embrapa Gado de Leite. |
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| 6. | | SOUZA, G. N. de; GREGO, C. R.; HOTT, M. C.; SILVA, M. R.; BRUNO, A. F.; HYLARIO, S. M.; AMARAL, C. M.; PEREIRA, L. K.; ZIECH, R. E. Avaliação espacial de indicadores de qualidade do leite no estado do Espirito Santo, 2011-2012. In: CONGRESSO BRASILEIRO DE MEDICINA VETERINÁRIA, 39., 2012, Santos. Anais... São Paulo: Sociedade Brasileira de Medicina Veterinária, 2012.| Biblioteca(s): Embrapa Gado de Leite. |
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| 7. | | SOUZA, G. N. de; GREGO, C. R.; CARVALHO, G. L. O. DE; HOTT, M. C.; SILVA, M. R.; BRUNO, A. F.; OZORIO, R. S. Spatial evaluation of milk quality indicators in the micro region of Ji-Paraná, Rondonia, 2011. In: Simpósio Embrapa LabEx EUA de Sanidade Animal, 2., 2012, Brasília. Proceedings... Brasília: Embrapa Estudos e Capacitação, 2012 p. 18| Biblioteca(s): Embrapa Gado de Leite. |
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| 8. | | SOUZA, G. N. de; GREGO, C. R.; CARVALHO, G. L. O. DE; HOTT, M. C.; SILVA, M. R.; BRUNO, A. F.; OZORIO, R. S.; HYLARIO, S. M. Spatial evaluation of milk quality indicators in the micro region of Ji-Paraná, Rondonia, 2011. In: Simpósio Embrapa LabEx EUA de Sanidade Animal, 2., 2012, Brasília. Proceedings... Brasília: Embrapa Estudos e Capacitação, 2012 p. 19| Biblioteca(s): Embrapa Gado de Leite. |
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| 9. | | SOUZA, G. N. de; BRITO, M. A. V. P. e; LANGE, C. C.; MENDONCA, L. C.; SILVA, M. R.; GUIMARAES, A. S.; GUIMARAES, J. L. B.; ZIECH, R. E.; PEREIRA, L. K.; BRUNO, A. F.; HYLARIO, S. M. Impacto do tratamento da mastite subclinica causada por patogenos contagiosos sobre a dinamica das infecções intramamarias em um rebanho leiteiro. In: CONGRESSO BRASILEIRO DE MEDICINA VETERINÁRIA, 39., 2012, Santos. Anais... São Paulo: Sociedade Brasileira de Medicina Veterinária, 2012.| Biblioteca(s): Embrapa Gado de Leite. |
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| 10. | | SOUZA, G. N. de; CARVALHO, G. L. O. DE; GREGO, C. R.; HOTT, M. C.; SILVA, M. R.; BRUNO, A. F.; OSORIO, R. S.; HYLARIO, S. M.; ENCARNAÇÃO, M. H. DA; OLIVEIRA, E. F. DE. Uso da analise espacial para avaliação de indicadores de qualidade do leite. Acta Scientiae Veterinariae, v. 40, p. s78, 2012. Edição do 1º Encontro Nacional de Epidemiologia Veterinária, São Paulo, 2012.| Biblioteca(s): Embrapa Gado de Leite. |
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| 11. | | SOUZA, G. N. de; CARVALHO, G. L. O. DE; GREGO, C. R.; HOTT, M. C.; SILVA, M. R.; BRUNO, A. F.; OZÓRIO, R. S.; HYLARIO, S. M.; ENCARNAÇÃO, M. H. DA; OLIVEIRA, E. F. DE. Uso da análise espacial para avaliação de indicadores de qualidade do leite. Acta Scientiae Veterinariae, v. 40, (Supl.2), p. s61, 2012. p. s61 Resumos Encontro Nacional de Epidemiologia.| Biblioteca(s): Embrapa Territorial. |
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| Registros recuperados : 11 | |
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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: |
22/08/2017 |
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Data da última atualização: |
22/08/2017 |
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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: |
SOUZA-FABJAN, J. M. G.; ROSA, R. M. da; BALARO, M. F. A.; PINTO, P. H. N.; SANTOS, G. B. dos; ARASHIRO, E. K. N.; FONSECA, J. F. da; UNGERFELD, R.; BRANDÃO, F. Z. |
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Afiliação: |
Joanna Maria Gonçalves Souza-Fabjan, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; Universidade do Grande Rio - Duque de Caxias, RJ, Brazil; Rômulo Mendonça da Rosa, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; Mário Felipe Alvarez Balaro, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; Pedro Henrique Nicolau Pinto, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; Gustavo Bervian dos Santos, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; Eduardo Kenji Nunes Arashiro, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; JEFERSON FERREIRA DA FONSECA, CNPC; Rodolfo Ungerfeld, Universidad de la República - Montevideo, Uruguay; Felipe Zandonadi Brandão, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil. |
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Título: |
Effect of different hormonal combinations on follicular wave emergence and superovulatory response in sheep. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Theriogenology, v. 103, p. 24-29, Nov. 2017. |
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DOI: |
https://doi.org/10.1016/j.theriogenology.2017.07.036 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The aim of the present study was to compare hormonal treatments to induce and synchronize follicular wave emergence to improve the results of superovulatory (SOV) treatments in ewes. In Experiment 1 (n = 66), ewes were treated with a progesterone intravaginal implant plus a PGF2? analogue (group GP4), or with the same treatment plus estradiol benzoate (GP4+EB), a GnRH agonist (GP4+GnRH), or both, estradiol benzoate and a GnRH agonist (GP4+EB+GnRH) in a 2 × 2 factorial arrangement. Follicular wave emergence was determined by ultrasound. Follicular wave did not emerge during the studied period in 10 females (one from GP4, six from GP4+EB and three from GP4+EB+GnRH). Follicular emergence was less synchronized (P = 0.007) when estradiol was administered (GP4+EB: 103.6 ± 22.0 h), without any interaction with GnRH treatment (GP4+EB+GnRH: 80.1 ± 21.4 h, GP4+GnRH: 52.5 ± 8.7 h, GP4: 56.6 ± 10.4 h). Estradiol administration delayed the moment of follicular emergence (P = 0.007) and the follicular wave emergence moment in which follicular dominance was achieved (P = 0.009), without interactions between estradiol and GnRH in the moment of follicular wave emergence or dominance. In Experiment 2 (n = 22), two SOV protocols were compared: the best treatment of Experiment 1 (GP4) was used to synchronize follicular wave emergence, initiating the SOV treatment 2.5 days later; in the control treatment, SOV treatment started 80 h after a short-term protocol to synchronize ovulation (Gcontrol). The number of corpora lutea (CL) and the evaluation of the collected embryos were performed six days after estrus. Blood samples were collected daily for plasma progesterone determination. Although the number of CL was similar in Gcontrol (7.1 ± 1.0) and GP4 (6.9 ± 5.1), the number of structures and viable embryos recovered were greater in Gcontrol (P < 0.05). The occurrence of luteal premature regression was significantly greater in GP4 (60%) than in Gcontrol (8.3%). The use of GnRH agonist alone did not improve synchronization of follicular wave emergence. When EB was used (alone or associated) follicular wave emergence was less synchronized. The SOV protocol proposed had a similar ovarian response; however, it resulted in less transferable embryos. MenosAbstract: The aim of the present study was to compare hormonal treatments to induce and synchronize follicular wave emergence to improve the results of superovulatory (SOV) treatments in ewes. In Experiment 1 (n = 66), ewes were treated with a progesterone intravaginal implant plus a PGF2? analogue (group GP4), or with the same treatment plus estradiol benzoate (GP4+EB), a GnRH agonist (GP4+GnRH), or both, estradiol benzoate and a GnRH agonist (GP4+EB+GnRH) in a 2 × 2 factorial arrangement. Follicular wave emergence was determined by ultrasound. Follicular wave did not emerge during the studied period in 10 females (one from GP4, six from GP4+EB and three from GP4+EB+GnRH). Follicular emergence was less synchronized (P = 0.007) when estradiol was administered (GP4+EB: 103.6 ± 22.0 h), without any interaction with GnRH treatment (GP4+EB+GnRH: 80.1 ± 21.4 h, GP4+GnRH: 52.5 ± 8.7 h, GP4: 56.6 ± 10.4 h). Estradiol administration delayed the moment of follicular emergence (P = 0.007) and the follicular wave emergence moment in which follicular dominance was achieved (P = 0.009), without interactions between estradiol and GnRH in the moment of follicular wave emergence or dominance. In Experiment 2 (n = 22), two SOV protocols were compared: the best treatment of Experiment 1 (GP4) was used to synchronize follicular wave emergence, initiating the SOV treatment 2.5 days later; in the control treatment, SOV treatment started 80 h after a short-term protocol to synchronize ovulation (... Mostrar Tudo |
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Palavras-Chave: |
GnRH; MOET; Oestrogens. |
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Thesagro: |
Estradiol; Estrógeno; Gonadotrofina; Ovelha; Ovino; Reprodução animal; Superovulação. |
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Thesaurus NAL: |
Benzoates; Embryo transfer; Ewes; Reproduction; Sheep; Superovulation. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
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008 2017 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.theriogenology.2017.07.036$2DOI
100 1 $aSOUZA-FABJAN, J. M. G.
245 $aEffect of different hormonal combinations on follicular wave emergence and superovulatory response in sheep.$h[electronic resource]
260 $c2017
520 $aAbstract: The aim of the present study was to compare hormonal treatments to induce and synchronize follicular wave emergence to improve the results of superovulatory (SOV) treatments in ewes. In Experiment 1 (n = 66), ewes were treated with a progesterone intravaginal implant plus a PGF2? analogue (group GP4), or with the same treatment plus estradiol benzoate (GP4+EB), a GnRH agonist (GP4+GnRH), or both, estradiol benzoate and a GnRH agonist (GP4+EB+GnRH) in a 2 × 2 factorial arrangement. Follicular wave emergence was determined by ultrasound. Follicular wave did not emerge during the studied period in 10 females (one from GP4, six from GP4+EB and three from GP4+EB+GnRH). Follicular emergence was less synchronized (P = 0.007) when estradiol was administered (GP4+EB: 103.6 ± 22.0 h), without any interaction with GnRH treatment (GP4+EB+GnRH: 80.1 ± 21.4 h, GP4+GnRH: 52.5 ± 8.7 h, GP4: 56.6 ± 10.4 h). Estradiol administration delayed the moment of follicular emergence (P = 0.007) and the follicular wave emergence moment in which follicular dominance was achieved (P = 0.009), without interactions between estradiol and GnRH in the moment of follicular wave emergence or dominance. In Experiment 2 (n = 22), two SOV protocols were compared: the best treatment of Experiment 1 (GP4) was used to synchronize follicular wave emergence, initiating the SOV treatment 2.5 days later; in the control treatment, SOV treatment started 80 h after a short-term protocol to synchronize ovulation (Gcontrol). The number of corpora lutea (CL) and the evaluation of the collected embryos were performed six days after estrus. Blood samples were collected daily for plasma progesterone determination. Although the number of CL was similar in Gcontrol (7.1 ± 1.0) and GP4 (6.9 ± 5.1), the number of structures and viable embryos recovered were greater in Gcontrol (P < 0.05). The occurrence of luteal premature regression was significantly greater in GP4 (60%) than in Gcontrol (8.3%). The use of GnRH agonist alone did not improve synchronization of follicular wave emergence. When EB was used (alone or associated) follicular wave emergence was less synchronized. The SOV protocol proposed had a similar ovarian response; however, it resulted in less transferable embryos.
650 $aBenzoates
650 $aEmbryo transfer
650 $aEwes
650 $aReproduction
650 $aSheep
650 $aSuperovulation
650 $aEstradiol
650 $aEstrógeno
650 $aGonadotrofina
650 $aOvelha
650 $aOvino
650 $aReprodução animal
650 $aSuperovulação
653 $aGnRH
653 $aMOET
653 $aOestrogens
700 1 $aROSA, R. M. da
700 1 $aBALARO, M. F. A.
700 1 $aPINTO, P. H. N.
700 1 $aSANTOS, G. B. dos
700 1 $aARASHIRO, E. K. N.
700 1 $aFONSECA, J. F. da
700 1 $aUNGERFELD, R.
700 1 $aBRANDÃO, F. Z.
773 $tTheriogenology$gv. 103, p. 24-29, Nov. 2017.
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