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Registros recuperados : 26 | |
9. | | COSTA, E. P.; VALE FILHO, V. R.; NOGUEIRA, J. C.; SA, W. F.; COSTA, A. H. A. Tipos morfológicos de ovócitos bovinos. Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Belo Horizonte, v. 49, n. 4, p. 417-424, 1997. Biblioteca(s): Embrapa Gado de Leite. |
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10. | | COSTA, E. P.; VALE FILHO, V. R.; NOGUEIRA, J. C.; FERREIRA, A. M.; COSTA, A. H. A. Técnica para avaliação do estádio de maturação nuclear de ovócitos bovinos cultivados in vitro. Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Belo Horizonte, v. 49, n. 4, p. 433-440, 1997. Biblioteca(s): Embrapa Gado de Leite. |
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11. | | FELIPE-SILVA, A.S; OLIVEIRA, D. A. A; CARVALHO, D. C. C.; PAIVA, S. R.; KUABARA, M. Y.; VALE FILHO, V. R. Caracterização genética do cão fila brasileiro por meio de marcadores micro-satélites. In: CONGRESSO BRASILEIRO DE RECURSOS GENÉTICOS; WORKSHOP EM BIOPROSPECÇÃO E CONSERVAÇÃO DE PLANTAS NATIVAS DO SEMI-ÁRIDO, 3.; WORKSHOP INTERNACIONAL SOBRE BIOENERGIA E MEIO AMBIENTE, 2010, Salvador. Bancos de germoplasma: descobrir a riqueza, garantir o futuro: anais. Brasília, DF: Embrapa Recursos Genéticos e Biotecnologia, 2010. CD-ROM Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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12. | | CAVALCANTI NETO, C. C.; VALE FILHO, V. R.; OLIVEIRA, M. A. L.; LIMA, P. F.; GUIDO, S. I.; MORAIS, H. A. C. Cultivo in vitro de embriões caprinos em diferentes concentrações de retinol. Acta Scientiae Veterinariae, Porto Alegre, v. 31, p. 296, 2003. Suplemento. Edição de anais da 17a. Reunião Anual da Sociedade Brasileira de Tecnologia de Embriões, Beberibe, CE, ago. 2003. Biblioteca(s): Embrapa Caprinos e Ovinos. |
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13. | | VALE FILHO, V. R. do; FONSECA, V. O. da; FRENEAU, G. E.; GUIMARÃES, J. D.; CASTRO, V. M.; MELO, M. I. V. de. Desenvolvimento testicular e maturidade sexual em bovinos. Cadernos Técnicos da Escola de Veterinária da UFMG, Belo Horizonte, n. 8, p. 63-75, 1993. Biblioteca(s): Embrapa Caprinos e Ovinos. |
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14. | | CAMARGO, L. S. A.; VIANA, J. H. M.; SÁ, W. F. de; FERREIRA, A. M.; RAMOS, A. A.; VALE FILHO, V. R. Factors influencing in vitro embryo production. Animal Reproduction, Belo Horizonte, v. 3, n. 1, p. 19-28, 2006. Biblioteca(s): Embrapa Gado de Leite. |
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15. | | FOLHADELLA, I.; CAMARGO, L. S. A.; CASTRO, T. S.; SALVADOR, D. F.; SÁ, W. F.; FERREIRA, A. M.; ANDRADE, V. J.; VALE FILHO, V. R. Seminal plasma heparin binding protein (HBP) in Gyr bulls and its association with andrological characteristics. In: INTERNATIONAL CONGRESS ON ANIMAL REPRODUCTION, 16., 2008, Budapest. Abstracts... Budapest, 2008. p. 163 Biblioteca(s): Embrapa Gado de Leite. |
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16. | | COSTA, E. P.; VALE FILHO, V. R.; NOGUEIRA, J. C.; COSTA, A. H. A.; CAMARGOS, E. R. S.; FERREIRA, A. M.; BRUSCHI, J. H. Tecnica para o desnudamento rapido de ovocitos de bovinos. Belo Horizonte: 1993. "nao paginado" In; CONGRESSO BRASILEIRO DE REPRODUCAO ANIMAL, 10., 1993, Belo Horizonte. Anais... Belo Horizonte: 1993. Biblioteca(s): Embrapa Gado de Leite. |
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17. | | BITTENCOURT, R. F.; RIBEIRO FILHO, A. de L.; ALMEIDA, A. K.; CHALHOUB, M.; ALVES, S. G. G.; PORTELA, A. P. M.; GUERRA, R. D.; TINOCO, A. A. C.; QUINTELA, A. T.; VALE FILHO, V. R. Avaliação de carneiros da raça Santa Inês baseando-se na circunferência escrotal. Revista Brasileira de Reprodução Animal, Belo Horizonte, v. 27, n. 2, p. 195-197, 2003. Edição de anais do XV Congresso Brasileiro de Reprodução Animal, Porto Seguro, BA, 2003. Biblioteca(s): Embrapa Caprinos e Ovinos. |
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18. | | ALMEIDA, A. K.; BITTENCOURT, R. F.; RIBEIRO FILHO, A. de L.; CHALHOUB, M.; ALVES, S. G. G.; PORTELA, A. P. M.; GUERRA, R. D.; QUINTELA, A. T.; GUSMÃO, A. L.; OLIVEIRA, J. V. L.; VALE FILHO, V. R. Circunferência escrotal e medidas corporais em carneiros Santa Inês de várias idades. Revista Brasileira de Reprodução Animal, Belo Horizonte, v. 27, n. 2, p. 197-199, 2003. Edição de anais do XV Congresso Brasileiro de Reprodução Animal, Porto Seguro, BA, 2003. Biblioteca(s): Embrapa Caprinos e Ovinos. |
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19. | | VALE-FILHO, V. R.; EMERICK, L. L.; CAMARGO, L. S. A.; SILVA, M. A.; ANDRADE, V. J.; GONÇALVES, P. E. M.; MARTINS, J. A. M.; LEITE, T. G.; DIAS, J. C.; FOLHADELLA, I. M.; RAMOS, A.; REIS, S. R. Avaliação da integridade das membranas espermáticas por três métodos, em sêmen criopreservado de tourinhos Tabapuã aos dois anos de idade, selecionados pela CAP. In: CONGRESSO BRASILEIRO DE REPRODUÇÃO ANIMAL, 17., 2007, Curitiba. Anais... Belo Horizonte: CBRA, 2007. p. 130. Biblioteca(s): Embrapa Gado de Leite. |
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20. | | CAMARGO, L. S. de A.; VIANA, J. H. M.; RAMOS, A. A.; SERAPIÃO, R. V.; SÁ, W. F.; FERREIRA, A. M.; GUIMARÃES, M. F. M.; VALE FILHO, V. R. do. Developmental competence and expression of the Hsp 70.1 gene in oocytes obtained from Bos indicus and Bos taurus dairy cows in a tropical environment. Theriogenology, New York, v. 68, n. 4, p. 626-632, 2007. Biblioteca(s): Embrapa Gado de Leite. |
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Registros recuperados : 26 | |
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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
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
10/10/2005 |
Data da última atualização: |
11/08/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
CAMARGO, L. S. de A.; VIANA, J. H. M.; SÁ, W. F. de; FERREIRA, A. M.; VALE FILHO, V. R. |
Afiliação: |
LUIZ SERGIO DE ALMEIDA CAMARGO, CNPGL. |
Título: |
Developmental competence of oocytes from prepubertal Bos indicus crossbred cattle. |
Ano de publicação: |
2005 |
Fonte/Imprenta: |
Animal Reproduction Science, v. 85, n. 1/2, p. 53-59, 2005. |
DOI: |
https://doi.org/10.1016/j.anireprosci.2004.04.020 |
Idioma: |
Inglês |
Conteúdo: |
The aim of the present study was to evaluate the effect of age on embryogenic competence of oocytes recovered from Bos indicus crossbred calves and heifers. Cumulus-oocyte complexes (COCs) were collected from 4- to 7-month-old calves (experiment 1) and from 9- to 14-month-old heifers (experiment 2) during processing at an abattoir. In both experiments cow COCs were used as control. COCs were in vitro matured and fertilized, and the presumptive zygotes co-cultured with cumulus cells until 224 h post insemination (hpi). In experiment 1, the development rate during the first 68-72 hpi was similar (P > 0.05) between embryos derived from calves and cows. Fewer embryos from calves developed to the blastocyst stage, resulting in a lesser blastocyst production as well as lesser hatching rate (P < 0.05). The embryo development after blastocyst stage was, nevertheless, similar (P > 0.05) between blastocysts derived from calves and cows, suggesting that the development after blastocoele formation is not compromised in embryos derived from calves. In experiment 2, there were no differences (P > 0.05) on cleavage, blastocyst and hatching rates between embryos derived from prepubertal heifers and cows. The rate of blastocyst development until hatching was also similar (P > 0.05). These results indicate that oocytes from 9- to 14-month-old B. indicus crossbred heifers have the same developmental competence as oocytes derived from cows, while ocytes derived from 4- to 7-month-old B. indicus crossbred calves are less competent in developing to the blastocyst stage in vitro. It suggests that oocyte competence in B. indicus crossbred cattle is achieved around 9-14 months of age. MenosThe aim of the present study was to evaluate the effect of age on embryogenic competence of oocytes recovered from Bos indicus crossbred calves and heifers. Cumulus-oocyte complexes (COCs) were collected from 4- to 7-month-old calves (experiment 1) and from 9- to 14-month-old heifers (experiment 2) during processing at an abattoir. In both experiments cow COCs were used as control. COCs were in vitro matured and fertilized, and the presumptive zygotes co-cultured with cumulus cells until 224 h post insemination (hpi). In experiment 1, the development rate during the first 68-72 hpi was similar (P > 0.05) between embryos derived from calves and cows. Fewer embryos from calves developed to the blastocyst stage, resulting in a lesser blastocyst production as well as lesser hatching rate (P < 0.05). The embryo development after blastocyst stage was, nevertheless, similar (P > 0.05) between blastocysts derived from calves and cows, suggesting that the development after blastocoele formation is not compromised in embryos derived from calves. In experiment 2, there were no differences (P > 0.05) on cleavage, blastocyst and hatching rates between embryos derived from prepubertal heifers and cows. The rate of blastocyst development until hatching was also similar (P > 0.05). These results indicate that oocytes from 9- to 14-month-old B. indicus crossbred heifers have the same developmental competence as oocytes derived from cows, while ocytes derived from 4- to 7-month-old B. indicus... Mostrar Tudo |
Palavras-Chave: |
Fertilização in vitro; Oocitos. |
Thesagro: |
Bovino. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
Marc: |
LEADER 02379naa a2200217 a 4500 001 1594875 005 2022-08-11 008 2005 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1016/j.anireprosci.2004.04.020$2DOI 100 1 $aCAMARGO, L. S. de A. 245 $aDevelopmental competence of oocytes from prepubertal Bos indicus crossbred cattle.$h[electronic resource] 260 $c2005 520 $aThe aim of the present study was to evaluate the effect of age on embryogenic competence of oocytes recovered from Bos indicus crossbred calves and heifers. Cumulus-oocyte complexes (COCs) were collected from 4- to 7-month-old calves (experiment 1) and from 9- to 14-month-old heifers (experiment 2) during processing at an abattoir. In both experiments cow COCs were used as control. COCs were in vitro matured and fertilized, and the presumptive zygotes co-cultured with cumulus cells until 224 h post insemination (hpi). In experiment 1, the development rate during the first 68-72 hpi was similar (P > 0.05) between embryos derived from calves and cows. Fewer embryos from calves developed to the blastocyst stage, resulting in a lesser blastocyst production as well as lesser hatching rate (P < 0.05). The embryo development after blastocyst stage was, nevertheless, similar (P > 0.05) between blastocysts derived from calves and cows, suggesting that the development after blastocoele formation is not compromised in embryos derived from calves. In experiment 2, there were no differences (P > 0.05) on cleavage, blastocyst and hatching rates between embryos derived from prepubertal heifers and cows. The rate of blastocyst development until hatching was also similar (P > 0.05). These results indicate that oocytes from 9- to 14-month-old B. indicus crossbred heifers have the same developmental competence as oocytes derived from cows, while ocytes derived from 4- to 7-month-old B. indicus crossbred calves are less competent in developing to the blastocyst stage in vitro. It suggests that oocyte competence in B. indicus crossbred cattle is achieved around 9-14 months of age. 650 $aBovino 653 $aFertilização in vitro 653 $aOocitos 700 1 $aVIANA, J. H. M. 700 1 $aSÁ, W. F. de 700 1 $aFERREIRA, A. M. 700 1 $aVALE FILHO, V. R. 773 $tAnimal Reproduction Science$gv. 85, n. 1/2, p. 53-59, 2005.
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