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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: |
01/08/1992 |
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Data da última atualização: |
17/07/2025 |
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Autoria: |
TERVIT, H. R.; GOOLD, P. G.; MCKENZIE, R. D.; CLARKSON, D. J. |
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Título: |
Techniques and success of embryo transfers in Angora goats. |
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Ano de publicação: |
1983 |
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Fonte/Imprenta: |
New Zealand Veterinary Journal, v. 31, n. 5, p. 67-70, 1983. |
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DOI: |
10.1080/00480169.1983.34972 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Thirty-five mixed-age Angora does were subjected to superovulation and oestrous synchronization and of the 34 which were subsequently entire mated, 33 were subjected to surgical egg recovery approximately five days after oestrus. These 33 donors averaged 8.8 ovulations and 2.5 large (>5 mm) follicles. All corpora lutea in six donors were undergoing premature regression. The average donor egg recovery rate, egg fertilization rate and percent of eggs transferable was 82, 87 and 81%, respectively, giving 6.8 eggs, 6.0 embryos and 5.5 transferable embryos per donor. Egg recovery was reduced dramatically when premature regressing corpora lutea were present. Recipient feral does were synchronized and 183 embryos transferred surgically to 133 recipients. Eighty-eight (66%) of the recipients kidded producing 118 kids (64% embryo survival). The 35 potential donors produced 36 kids from their natural mating which occurred shortly after surgery. Thus the donors produced a total of 154 kids from embryo transfer and natural mating, an average of 4.4 kids/doe/breeding season. This rate of reproduction is four to five times faster than normal and confirms that the technique achieves its objective of rapidly increasing the number of offspring from selected animals. |
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Palavras-Chave: |
Raça angorá. |
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Thesagro: |
Caprino; Reprodução; Transferência de Embrião. |
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Thesaurus Nal: |
Embryo transfer; Goats; Reproduction. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 01998naa a2200253 a 4500
001 1522222
005 2025-07-17
008 1983 bl uuuu u00u1 u #d
024 7 $a10.1080/00480169.1983.34972$2DOI
100 1 $aTERVIT, H. R.
245 $aTechniques and success of embryo transfers in Angora goats.$h[electronic resource]
260 $c1983
520 $aAbstract: Thirty-five mixed-age Angora does were subjected to superovulation and oestrous synchronization and of the 34 which were subsequently entire mated, 33 were subjected to surgical egg recovery approximately five days after oestrus. These 33 donors averaged 8.8 ovulations and 2.5 large (>5 mm) follicles. All corpora lutea in six donors were undergoing premature regression. The average donor egg recovery rate, egg fertilization rate and percent of eggs transferable was 82, 87 and 81%, respectively, giving 6.8 eggs, 6.0 embryos and 5.5 transferable embryos per donor. Egg recovery was reduced dramatically when premature regressing corpora lutea were present. Recipient feral does were synchronized and 183 embryos transferred surgically to 133 recipients. Eighty-eight (66%) of the recipients kidded producing 118 kids (64% embryo survival). The 35 potential donors produced 36 kids from their natural mating which occurred shortly after surgery. Thus the donors produced a total of 154 kids from embryo transfer and natural mating, an average of 4.4 kids/doe/breeding season. This rate of reproduction is four to five times faster than normal and confirms that the technique achieves its objective of rapidly increasing the number of offspring from selected animals.
650 $aEmbryo transfer
650 $aGoats
650 $aReproduction
650 $aCaprino
650 $aReprodução
650 $aTransferência de Embrião
653 $aRaça angorá
700 1 $aGOOLD, P. G.
700 1 $aMCKENZIE, R. D.
700 1 $aCLARKSON, D. J.
773 $tNew Zealand Veterinary Journal$gv. 31, n. 5, p. 67-70, 1983.
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