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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: |
15/05/2023 |
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Autoria: |
MOORE, N. W.; ROWSON, L. E. A. |
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Título: |
Maintenance of pregnancy in ovariectomized ewes by means of progesterone. |
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Ano de publicação: |
1959 |
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Fonte/Imprenta: |
Nature, v. 184, p. 1410, Oct. 1959. |
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DOI: |
doi:10.1038/1841410a0 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: OVARIECTOMY may be performed in the ewe as early as the 50th day of pregnancy without resulting in abortion1. It has been assumed that by this stage the steroid hormones produced from extra-ovarian sources are sufficient to maintain pregnancy. This supposition is supported by the fact that progesterone has been found in the placentæ of ewes 100 days pregnant2, and also in the adrenal venous blood of both gonadectomized rams and ewes3. However, little is known of the steroid hormonal requirements of the ewe during pregnancy. Foote et al. 4 treated ewes, ovariectomized 3? days after mating, with either progesterone alone or progesterone together with ?strone, and found at slaughter 25 days after mating, that almost 50 per cent of the ewes contained normal embryos. |
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Palavras-Chave: |
Orchiectomy. |
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Thesagro: |
Endocrinologia; Fisiologia; Obstetrícia; Ovino; Prenhez; Progesterona; Reprodução. |
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Thesaurus Nal: |
Castration; Endocrinology; Ewes; Humans; Pregnancy; Progesterone; Reproduction; Sheep. |
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Categoria do assunto: |
-- |
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Marc: |
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001 1520750
005 2023-05-15
008 1959 bl uuuu u00u1 u #d
024 7 $adoi:10.1038/1841410a0$2DOI
100 1 $aMOORE, N. W.
245 $aMaintenance of pregnancy in ovariectomized ewes by means of progesterone.$h[electronic resource]
260 $c1959
520 $aAbstract: OVARIECTOMY may be performed in the ewe as early as the 50th day of pregnancy without resulting in abortion1. It has been assumed that by this stage the steroid hormones produced from extra-ovarian sources are sufficient to maintain pregnancy. This supposition is supported by the fact that progesterone has been found in the placentæ of ewes 100 days pregnant2, and also in the adrenal venous blood of both gonadectomized rams and ewes3. However, little is known of the steroid hormonal requirements of the ewe during pregnancy. Foote et al. 4 treated ewes, ovariectomized 3? days after mating, with either progesterone alone or progesterone together with ?strone, and found at slaughter 25 days after mating, that almost 50 per cent of the ewes contained normal embryos.
650 $aCastration
650 $aEndocrinology
650 $aEwes
650 $aHumans
650 $aPregnancy
650 $aProgesterone
650 $aReproduction
650 $aSheep
650 $aEndocrinologia
650 $aFisiologia
650 $aObstetrícia
650 $aOvino
650 $aPrenhez
650 $aProgesterona
650 $aReprodução
653 $aOrchiectomy
700 1 $aROWSON, L. E. A.
773 $tNature$gv. 184, p. 1410, Oct. 1959.
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| 1. |  | ZUCCHI, M. I.; PINHEIRO, J. B.; VELLO, N. A.; OLIVEIRA, E. J. de; ARIAS, C. A. A.; PRIOLLI, R. H. G.; MOLLER, M.; COLOMBO, C. A. Uso de marcadores microssatélites na caracterização de cultivares brasileiras de soja. In: CONGRESSO BRASILEIRO DE MELHORAMENTO DE PLANTAS, 3., 2005, Gramado. Anais... Passo Fundo: Embrapa Trigo; Sociedade Brasileira de Melhoramento de Plantas, 2005. 1 CD-ROM. Seção: Área 1 - Espécies Anuais - Resumos: Pdf.1645. Editado por Ana Christina Sagebin Albuquerque, Cláudia de Mori, Edson Iorczeski, João Carlos Haas, Paulo Fernando Bertagnolli.| Tipo: Resumo em Anais de Congresso |
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