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Registro Completo |
Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
Data corrente: |
01/08/1992 |
Data da última atualização: |
01/08/2023 |
Autoria: |
RAWLINGS, N. C.; WARD, W. R. |
Título: |
Progesterone and the initiation of parturition in the goat. |
Ano de publicação: |
1977 |
Fonte/Imprenta: |
Theriogenology, v. 7, n. 6, p. 317-329, Jun. 1977. |
DOI: |
10.1016/0093-691x(77)90204-7. |
Idioma: |
Inglês |
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. |
Palavras-Chave: |
Drug effects; Labor Onset. |
Thesagro: |
Caprino; Endocrinologia; Progesterona; Reprodução. |
Thesaurus Nal: |
Estrogens; Females; Goats; Pharmacology; Pregnancy; Progesterone. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
Marc: |
LEADER 01760naa a2200289 a 4500 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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