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| 12. |  | QUADROS, B. R. de; CONCEIÇÃO, H. E. O. da. Influência de espaçamentos sobre o crescimento de plantas de helicônia, nas condições edafoclimáticas de Benevides, Pará. In: SEMINÁRIO DE INICIAÇÃO CIENTÍFICA DA UFRA, 3.; SEMINÁRIO DE INICIAÇÃO CIENTÍFICA DA EMBRAPA AMAZÔNIA ORIENTAL, 9., 2006, Belém, PA. Agricultura sustentável na Amazônia: anais. Belém, PA: UFRA: Embrapa Amazônia Oriental, 2006.| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 16. | | FREITAS, R. do A.; CONCEICAO, H. E. O. da. Efeito da adubação NPK Mg no crescimento e alocação de biomassa de ipeca (Cephaelis ipecacunha B. Rich.). In: SEMINÁRIO DE INICIAÇÃO CIENTÍFICA CNPq/FCAP/EMBRAPA, 6., 1996, Belém, PA. Resumos. Belém, PA: FCAP, 1996. p. 65, 142. Publicado também em Congresso Brasileiro de Iniciação Científica em Ciências Agrárias, 16., 1996, Santa Maria. Resumo. p. 59.| Biblioteca(s): Embrapa Amazônia Oriental. |
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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. |
Registro Completo
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
19/08/2020 |
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Data da última atualização: |
19/08/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
MONTEIRO NETTO, M.; BALARO, M. F. A.; COSENTINO, I. O.; ESPÍRITO SANTO, C. G. do; OLIVEIRA, R. V. de; SOUZA-FABJAN, J. M. G.; BRANDÃO, F. Z.; FONSECA, J. F. da. |
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Afiliação: |
MARINA MONTEIRO NETTO, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; MARIO FELIPE ALVAREZ BALARO, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; ISABEL OLIVEIRA COSENTINO, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; Orcid: https://orcid. org/0000-0002-1059-1831; CAROLINE GOMES DO ESPÍRITO SANTO, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; RODRIGO VASCONCELOS DE OLIVEIRA, Universidade Federal Rural do Rio de Janeiro (UFRRJ) - Seropédica, RJ, Brazil; JOANNA MARIA GONÇALVES SOUZA-FABJAN, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; Orcid: https://orcid. org/0000-0002-4872-1718 Jeferson Ferreira Fonseca https://; FELIPE ZANDONADI BRANDÃO, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; JEFERSON FERREIRA DA FONSECA, CNPC. |
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Título: |
Use of two cloprostenol administrations 11.5 days apart efficiently synchronizes oestrus in photostimulated multiparous dairy goats in the non-breeding season. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Reproduction in Domestic Animals, v. 55, n. 8, p. 965-973, Aug. 2020. |
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DOI: |
https://doi.org/10.1111/rda.13736 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: This study assessed the efficiency of synchronous oestrous induction by light programme followed by two doses of cloprostenol in acyclic Saanen goats of different parity orders. Primiparous (n = 22) and multiparous (n = 33) goats were subjected to 16 hr of light and 8 hr of darkness for 60 days (D0?D60), starting 10 days after the winter solstice. All goats received 120 µg cloprostenol doses on D130 (morning) and D141.5 (afternoon) (11.5 days apart). Oestrus behaviour, ovarian follicular dynamics and serum progesterone (P4) analyses were recorded from D0 to D174 at different intervals. Animals in oestrus after D141.5 were randomly assigned into two groups: assisted natural mating (NM) or artificial insemination (AI; 10?24 hr after oestrus onset with frozen?thawed semen). From D57 to D120, 89.0% of goats presented large follicles (5?8 mm) and P4 concentrations were subluteal from D0 to D120. More multiparous compared to primiparous goats (54.5%, 18/33 vs. 18.2%, 4/22) exhibited oestrus after both injections. More primiparous compared to multiparous goats (54.5%, 12/22 vs. 12.1%, 4/33) did not exhibit oestrus after any injection. A total of 35 goats (64%) were in oestrus after the second prostaglandin injection and were subjected to NM or AI. The conception rate was similar among primiparous (70.0%, 7/10) and multiparous (68.0%, 17/25) goats but the pregnancy rate differed, being 31.8% (7/22) and 51.5% (17/33), respectively. No interaction was found between parity order and P4 concentrations in does that became pregnant or not. Thus, the association between light programme (60 days, starting at the beginning of winter) and two cloprostenol administrations 11.5 days apart (starting 70 days after the end of the light treatment) resulted in sufficient synchronous oestrous response in multiparous acyclic Saanen goats to reach satisfactory fertility levels after both NM and AI. MenosAbstract: This study assessed the efficiency of synchronous oestrous induction by light programme followed by two doses of cloprostenol in acyclic Saanen goats of different parity orders. Primiparous (n = 22) and multiparous (n = 33) goats were subjected to 16 hr of light and 8 hr of darkness for 60 days (D0?D60), starting 10 days after the winter solstice. All goats received 120 µg cloprostenol doses on D130 (morning) and D141.5 (afternoon) (11.5 days apart). Oestrus behaviour, ovarian follicular dynamics and serum progesterone (P4) analyses were recorded from D0 to D174 at different intervals. Animals in oestrus after D141.5 were randomly assigned into two groups: assisted natural mating (NM) or artificial insemination (AI; 10?24 hr after oestrus onset with frozen?thawed semen). From D57 to D120, 89.0% of goats presented large follicles (5?8 mm) and P4 concentrations were subluteal from D0 to D120. More multiparous compared to primiparous goats (54.5%, 18/33 vs. 18.2%, 4/22) exhibited oestrus after both injections. More primiparous compared to multiparous goats (54.5%, 12/22 vs. 12.1%, 4/33) did not exhibit oestrus after any injection. A total of 35 goats (64%) were in oestrus after the second prostaglandin injection and were subjected to NM or AI. The conception rate was similar among primiparous (70.0%, 7/10) and multiparous (68.0%, 17/25) goats but the pregnancy rate differed, being 31.8% (7/22) and 51.5% (17/33), respectively. No interaction was found between parity or... Mostrar Tudo |
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Palavras-Chave: |
Indução ao estro. |
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Thesagro: |
Cabra Leiteira; Caprino; Ciclo Estral; Corpo Lúteo; Eficiência Reprodutiva; Inseminação Artificial; Prostaglandina; Reprodução Animal; Ultrassom. |
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Thesaurus NAL: |
Anestrus; Animal reproduction; Artificial insemination; Corpus luteum; Reproductive efficiency; Synthetic hormones; Synthetic prostaglandins; Ultrasonography. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 03298naa a2200433 a 4500
001 2124419
005 2020-08-19
008 2020 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1111/rda.13736$2DOI
100 1 $aMONTEIRO NETTO, M.
245 $aUse of two cloprostenol administrations 11.5 days apart efficiently synchronizes oestrus in photostimulated multiparous dairy goats in the non-breeding season.$h[electronic resource]
260 $c2020
520 $aAbstract: This study assessed the efficiency of synchronous oestrous induction by light programme followed by two doses of cloprostenol in acyclic Saanen goats of different parity orders. Primiparous (n = 22) and multiparous (n = 33) goats were subjected to 16 hr of light and 8 hr of darkness for 60 days (D0?D60), starting 10 days after the winter solstice. All goats received 120 µg cloprostenol doses on D130 (morning) and D141.5 (afternoon) (11.5 days apart). Oestrus behaviour, ovarian follicular dynamics and serum progesterone (P4) analyses were recorded from D0 to D174 at different intervals. Animals in oestrus after D141.5 were randomly assigned into two groups: assisted natural mating (NM) or artificial insemination (AI; 10?24 hr after oestrus onset with frozen?thawed semen). From D57 to D120, 89.0% of goats presented large follicles (5?8 mm) and P4 concentrations were subluteal from D0 to D120. More multiparous compared to primiparous goats (54.5%, 18/33 vs. 18.2%, 4/22) exhibited oestrus after both injections. More primiparous compared to multiparous goats (54.5%, 12/22 vs. 12.1%, 4/33) did not exhibit oestrus after any injection. A total of 35 goats (64%) were in oestrus after the second prostaglandin injection and were subjected to NM or AI. The conception rate was similar among primiparous (70.0%, 7/10) and multiparous (68.0%, 17/25) goats but the pregnancy rate differed, being 31.8% (7/22) and 51.5% (17/33), respectively. No interaction was found between parity order and P4 concentrations in does that became pregnant or not. Thus, the association between light programme (60 days, starting at the beginning of winter) and two cloprostenol administrations 11.5 days apart (starting 70 days after the end of the light treatment) resulted in sufficient synchronous oestrous response in multiparous acyclic Saanen goats to reach satisfactory fertility levels after both NM and AI.
650 $aAnestrus
650 $aAnimal reproduction
650 $aArtificial insemination
650 $aCorpus luteum
650 $aReproductive efficiency
650 $aSynthetic hormones
650 $aSynthetic prostaglandins
650 $aUltrasonography
650 $aCabra Leiteira
650 $aCaprino
650 $aCiclo Estral
650 $aCorpo Lúteo
650 $aEficiência Reprodutiva
650 $aInseminação Artificial
650 $aProstaglandina
650 $aReprodução Animal
650 $aUltrassom
653 $aIndução ao estro
700 1 $aBALARO, M. F. A.
700 1 $aCOSENTINO, I. O.
700 1 $aESPÍRITO SANTO, C. G. do
700 1 $aOLIVEIRA, R. V. de
700 1 $aSOUZA-FABJAN, J. M. G.
700 1 $aBRANDÃO, F. Z.
700 1 $aFONSECA, J. F. da
773 $tReproduction in Domestic Animals$gv. 55, n. 8, p. 965-973, Aug. 2020.
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