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| 1. |  | FONSECA, J. F. da; MAFFILI, V. V.; RODRIGUES, M. T.; SANTOS, A. D. F.; ROVAY, H.; PINTO NETO, A.; BRANDÃO, F. Z.; TORES, C. A. A. Effects of hCG on progesterone concentrations and fertility in cyclic, lactating Alpine goats. Animal Reproduction, v. 3, n. 4, p. 410-414, Oct./Dec. 2006.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| Registros recuperados : 1 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
13/12/2007 |
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Data da última atualização: |
25/09/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Nacional - A |
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Autoria: |
FONSECA, J. F. da; MAFFILI, V. V.; RODRIGUES, M. T.; SANTOS, A. D. F.; ROVAY, H.; PINTO NETO, A.; BRANDÃO, F. Z.; TORES, C. A. A. |
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Afiliação: |
JEFERSON FERREIRA DA FONSECA, CNPC; V. V. Maffili, UFV; M. T. Rodrigues, UFV; A. D. F. Santos, UFV; H. Rovay, UFV; F. Z. Brandão, Universidade Federal Fluminense; C. A. C. Torres, UFV. |
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Título: |
Effects of hCG on progesterone concentrations and fertility in cyclic, lactating Alpine goats. |
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Ano de publicação: |
2006 |
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Fonte/Imprenta: |
Animal Reproduction, v. 3, n. 4, p. 410-414, Oct./Dec. 2006. |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this study was to evaluate the effect of hCG administration on plasma progesterone concentrations in lactating Alpine goats during the natural breeding season. After detection of estrus, 124 does were randomly assigned to one of two treatments (T1 and T2). In T1 (n = 60) and T2 (n = 64), the animals received 1 ml of saline solution or 250 IU of hCG i.m., respectively, 5 days after the first detection of estrus and breeding. Plasma progesterone concentration (ng/mL) was determined from blood sampled (T1 = 12 and T2 = 13) on Days 0 (day of estrus), 5, 7, 13, 17, 21, 28 and 45 after breeding. Two control goats with short cycles and two nymphomaniac goats (one per treatment) were detected. Plasma progesterone concentration (mean ± SEM) for T1 and T2 females differed on Days 13, 17 (P < 0.005) and 21 (P < 0.075), being respectively 3.8 ± 0.2 and 6.6 ± 0.7 at Day 13; 3.6 ± 0.1 and 6.5 ± 0.7 at Day 17; 4.3 ± 0.4 and 6.4 ± 0.9 at Day 21. Pregnancy rates on Days 35 and 70 did not differ (P > 0.05) between T1 (78.3%) and T2 (84.4%) does. The hCG administration 5 days after breeding increased plasma progesterone concentrations on Days 13 to 21 but did not increase pregnancy rate. |
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Palavras-Chave: |
hCG. |
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Thesagro: |
Caprino; Fertilidade; Hormônio; Progesterona; Reprodução Animal. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/75514/1/API-Effects-of-hCG.pdf
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Marc: |
LEADER 02003naa a2200277 a 4500
001 1532729
005 2019-09-25
008 2006 bl uuuu u00u1 u #d
100 1 $aFONSECA, J. F. da
245 $aEffects of hCG on progesterone concentrations and fertility in cyclic, lactating Alpine goats.$h[electronic resource]
260 $c2006
520 $aThe objective of this study was to evaluate the effect of hCG administration on plasma progesterone concentrations in lactating Alpine goats during the natural breeding season. After detection of estrus, 124 does were randomly assigned to one of two treatments (T1 and T2). In T1 (n = 60) and T2 (n = 64), the animals received 1 ml of saline solution or 250 IU of hCG i.m., respectively, 5 days after the first detection of estrus and breeding. Plasma progesterone concentration (ng/mL) was determined from blood sampled (T1 = 12 and T2 = 13) on Days 0 (day of estrus), 5, 7, 13, 17, 21, 28 and 45 after breeding. Two control goats with short cycles and two nymphomaniac goats (one per treatment) were detected. Plasma progesterone concentration (mean ± SEM) for T1 and T2 females differed on Days 13, 17 (P < 0.005) and 21 (P < 0.075), being respectively 3.8 ± 0.2 and 6.6 ± 0.7 at Day 13; 3.6 ± 0.1 and 6.5 ± 0.7 at Day 17; 4.3 ± 0.4 and 6.4 ± 0.9 at Day 21. Pregnancy rates on Days 35 and 70 did not differ (P > 0.05) between T1 (78.3%) and T2 (84.4%) does. The hCG administration 5 days after breeding increased plasma progesterone concentrations on Days 13 to 21 but did not increase pregnancy rate.
650 $aCaprino
650 $aFertilidade
650 $aHormônio
650 $aProgesterona
650 $aReprodução Animal
653 $ahCG
700 1 $aMAFFILI, V. V.
700 1 $aRODRIGUES, M. T.
700 1 $aSANTOS, A. D. F.
700 1 $aROVAY, H.
700 1 $aPINTO NETO, A.
700 1 $aBRANDÃO, F. Z.
700 1 $aTORES, C. A. A.
773 $tAnimal Reproduction$gv. 3, n. 4, p. 410-414, Oct./Dec. 2006.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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