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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: |
01/08/2023 |
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Autoria: |
RAWLINGS, N. C.; WARD, W. R. |
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Título: |
Progesterone and the initiation of parturition in the goat. |
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Ano de publicação: |
1977 |
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Fonte/Imprenta: |
Theriogenology, v. 7, n. 6, p. 317-329, Jun. 1977. |
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DOI: |
10.1016/0093-691x(77)90204-7. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The corpora lutea were surgically removed from 6 goats between 134 and 136 days of pregnancy and progesterone was administered daily. Pregnancy was prolonged past normal term in 4 goats receiving 25 mgs. of progesterone daily as a split dose. However, eventual delivery following progesterone withdrawal was abnormal and foetal mortality high. The progesterone therapy regime maintained maternal jugular plasma concentrations of progesterone in excess of 3 ng/ml. In normal untreated goats, maternal plasma concentrations of progesterone declined over the last 6 days of gestation. In treated goats, plasma concentrations of progesterone fell only after the cessation of therapy. Maternal plasma concentrations of estrogen rose within 24 hours of parturition in normal untreated goats. In the 4 goats in which pregnancy was prolonged, by progesterone administration, maternal plasma concentrations of estrogen were elevated for several days in the period before eventual foetal delivery. |
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Palavras-Chave: |
Drug effects; Labor Onset. |
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Thesagro: |
Caprino; Endocrinologia; Progesterona; Reprodução. |
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Thesaurus Nal: |
Estrogens; Females; Goats; Pharmacology; Pregnancy; Progesterone. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
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001 1523123
005 2023-08-01
008 1977 bl uuuu u00u1 u #d
024 7 $a10.1016/0093-691x(77)90204-7.$2DOI
100 1 $aRAWLINGS, N. C.
245 $aProgesterone and the initiation of parturition in the goat.$h[electronic resource]
260 $c1977
520 $aAbstract: The corpora lutea were surgically removed from 6 goats between 134 and 136 days of pregnancy and progesterone was administered daily. Pregnancy was prolonged past normal term in 4 goats receiving 25 mgs. of progesterone daily as a split dose. However, eventual delivery following progesterone withdrawal was abnormal and foetal mortality high. The progesterone therapy regime maintained maternal jugular plasma concentrations of progesterone in excess of 3 ng/ml. In normal untreated goats, maternal plasma concentrations of progesterone declined over the last 6 days of gestation. In treated goats, plasma concentrations of progesterone fell only after the cessation of therapy. Maternal plasma concentrations of estrogen rose within 24 hours of parturition in normal untreated goats. In the 4 goats in which pregnancy was prolonged, by progesterone administration, maternal plasma concentrations of estrogen were elevated for several days in the period before eventual foetal delivery.
650 $aEstrogens
650 $aFemales
650 $aGoats
650 $aPharmacology
650 $aPregnancy
650 $aProgesterone
650 $aCaprino
650 $aEndocrinologia
650 $aProgesterona
650 $aReprodução
653 $aDrug effects
653 $aLabor Onset
700 1 $aWARD, W. R.
773 $tTheriogenology$gv. 7, n. 6, p. 317-329, Jun. 1977.
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| 1. |  | PÉREZ, M. G.; TORRADO, P. V.; MARTIN-NETO, L.; COLNAGO, L. A.; MILON, D. M. P. B.; GOMES, F. H. Study of humic acids from brazilian spodosol by 13C NMR and FTIR spectroscopy. In: NUCLEAR MAGNETIC RESONANCE USERS MEETING, 10.; PORTUGUESE-BRAZILIAN NMR MEETING, 3.; IBERO AMERICAN NMR MEETING 2005, Angra dos Reis. Abstracts... Angra dos Reis: AUREMN, 2005. p. 107.| Biblioteca(s): Embrapa Instrumentação. |
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