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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. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
01/09/2003 |
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Data da última atualização: |
28/08/2023 |
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Autoria: |
COGNIÉ, Y.; BARIL, G.; POULIN, N.; MERMILLOD, P. |
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Título: |
Current status of embryo technologies in sheep and goat. |
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Ano de publicação: |
2003 |
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Fonte/Imprenta: |
Theriogenology, v. 59, n. 1, p. 171-188, Jan. 2003. |
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DOI: |
https://doi.org/10.1016/S0093-691X(02)01270-0 |
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Idioma: |
Inglês |
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Conteúdo: |
This review presents an overview of the technical bases of in vivo and in vitro embryo production in sheep and goat. The current limitations of in vivo production. such as variability of response to the hormonal treatment. fertilization failure in females showing a high ovulatory response. and the importance of premature regressed CL in the goat. are described along with possibilities for improvement. The new prospects offered by in vitro embryo production. by repeated ovum pick-up from live females and by juvenile breeding. are presented along with their limiting steps and research priorities. The recent improvements of embryo production and freezing technologies could be used for constitution of flocks without risks of disease transmission and will allow wider propagation of valuable genes in small ruminants populations in the future. |
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Palavras-Chave: |
Fertilização in vitro; Reproductive techniques. |
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Thesagro: |
Caprino; Criopreservação; Ovino; Superovulação; Transferência de embrião. |
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Thesaurus Nal: |
Artificial insemination; Embryology; Goats; Oocytes; Pregnancy; Reproduction; Sheep; Superovulation. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 01806naa a2200349 a 4500
001 1529617
005 2023-08-28
008 2003 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/S0093-691X(02)01270-0$2DOI
100 1 $aCOGNIÉ, Y.
245 $aCurrent status of embryo technologies in sheep and goat.$h[electronic resource]
260 $c2003
520 $aThis review presents an overview of the technical bases of in vivo and in vitro embryo production in sheep and goat. The current limitations of in vivo production. such as variability of response to the hormonal treatment. fertilization failure in females showing a high ovulatory response. and the importance of premature regressed CL in the goat. are described along with possibilities for improvement. The new prospects offered by in vitro embryo production. by repeated ovum pick-up from live females and by juvenile breeding. are presented along with their limiting steps and research priorities. The recent improvements of embryo production and freezing technologies could be used for constitution of flocks without risks of disease transmission and will allow wider propagation of valuable genes in small ruminants populations in the future.
650 $aArtificial insemination
650 $aEmbryology
650 $aGoats
650 $aOocytes
650 $aPregnancy
650 $aReproduction
650 $aSheep
650 $aSuperovulation
650 $aCaprino
650 $aCriopreservação
650 $aOvino
650 $aSuperovulação
650 $aTransferência de embrião
653 $aFertilização in vitro
653 $aReproductive techniques
700 1 $aBARIL, G.
700 1 $aPOULIN, N.
700 1 $aMERMILLOD, P.
773 $tTheriogenology$gv. 59, n. 1, p. 171-188, Jan. 2003.
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Embrapa Caprinos e Ovinos (CNPC) |
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| 2. |  | FREITAS, V. J. F.; LOPES-JUNIOR, E. S.; RONDINA, D.; SALMITO-VANDERLEY, C. S. B.; SALLES, H. O.; SIMPLÍCIO, A. A.; BARIL, G.; SAUMANDE, J. Puberty in Anglo-Nubian and Saanen female kids raised in the semi-arid of North-eastern Brazil. Small Ruminant Research, v. 53, n. 1/2, p. 167-172, 2004. Technical note.| Tipo: Nota Técnica/Nota Científica |
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