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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: |
12/01/2021 |
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Data da última atualização: |
03/08/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CÔRTES, L. R.; SOUZA-FABJAN, J. M. G.; DIAS, D. S.; MARTINS, B. B.; MAIA, A. L. R. S.; VEIGA, M. O.; ARASHIRO, E. K. N.; BRANDÃO, F. Z.; OLIVEIRA, M. E. F.; BARTLEWSKI, P. M.; FONSECA, J. F. da. |
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Afiliação: |
JEFERSON FERREIRA DA FONSECA, CNPC. |
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Título: |
Administration of a single dose of 300 IU of human chorionic gonadotropin seven days after the onset of estrus improves pregnancy rate in dairy goats by an unknown mechanism. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Domestic Animal Endocrinology, v. 74, e106579, 2021. |
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DOI: |
10.1016/j.domaniend.2020.106579 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: This study examined the effects of exogenous hCG administration on ovarian function and pregnancy rates in estrous-induced dairy goats during the transition into the breeding season. Eighty-six Toggenburg does received 60 mg of medroxyprogesterone acetate intravaginal sponge for 6 d plus 200 IU of equine chorionic gonadotropin and 30 ?g of d-cloprostenol i.m. 24 h before sponge removal, and were then bred for 96 h. Seven days (D7) after first mating the does received either 1 mL of saline (the control group, n = 43) or 300 IU of hCG (the hCG-treated group, n = 43) i.m. Transrectal ovarian ultrasonography (B-mode and color Doppler) was performed on D7, D13, D17, and D21 and ultrasonographic pregnancy detection on D30. Pregnancy rate was higher (P < 0.05) in hCG-treated goats (90.7%; 39/43) than that in control animals (74.4%; 32/43). Accessory luteal structures (ALSs) were detected in 46.5% (20/43) of hCG-treated does. All hCG-treated does that had ALSs and 82.6% of goats without ALS post-treatment remained pregnant. The total luteal area increased (P < 0.05) from D7 to D13 in pregnant animals of both groups, whereas mean vascular area declined (P < 0.05) by D21 in all nonpregnant does. Serum progesterone concentrations increased (P < 0.05) on D21 in pregnant goats of both groups, but they were related to changes in luteal tissue content only in control does throughout the present study. Mean daily numbers of small- and medium-sized antral follicles decreased (P < 0.05) only in pregnant animals of both groups with a decline in medium follicle numbers occurring earlier in hCG-treated (D13) compared with control does (D17). To summarize, a single dose of hCG given on D7 after estrus was followed by a decrease in the number of medium-sized antral follicles in gestating hCG-treated does, induced the formation of ALSs in ~47% of all hCG-treated does, and significantly increased the pregnancy rate in estrous-induced Toggenburg goats in the transition to the breeding season. MenosAbstract: This study examined the effects of exogenous hCG administration on ovarian function and pregnancy rates in estrous-induced dairy goats during the transition into the breeding season. Eighty-six Toggenburg does received 60 mg of medroxyprogesterone acetate intravaginal sponge for 6 d plus 200 IU of equine chorionic gonadotropin and 30 ?g of d-cloprostenol i.m. 24 h before sponge removal, and were then bred for 96 h. Seven days (D7) after first mating the does received either 1 mL of saline (the control group, n = 43) or 300 IU of hCG (the hCG-treated group, n = 43) i.m. Transrectal ovarian ultrasonography (B-mode and color Doppler) was performed on D7, D13, D17, and D21 and ultrasonographic pregnancy detection on D30. Pregnancy rate was higher (P < 0.05) in hCG-treated goats (90.7%; 39/43) than that in control animals (74.4%; 32/43). Accessory luteal structures (ALSs) were detected in 46.5% (20/43) of hCG-treated does. All hCG-treated does that had ALSs and 82.6% of goats without ALS post-treatment remained pregnant. The total luteal area increased (P < 0.05) from D7 to D13 in pregnant animals of both groups, whereas mean vascular area declined (P < 0.05) by D21 in all nonpregnant does. Serum progesterone concentrations increased (P < 0.05) on D21 in pregnant goats of both groups, but they were related to changes in luteal tissue content only in control does throughout the present study. Mean daily numbers of small- and medium-sized antral follicles decreased (P < 0... Mostrar Tudo |
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Palavras-Chave: |
Biotecnologia da reprodução; HCG; Ovary; Taxa de prenhez. |
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Thesagro: |
Cabra Leiteira; Caprino; Progesterona; Reprodução Animal; Sincronização do Cio; Ultrassom. |
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Thesaurus Nal: |
Anestrus; Dairy goats; Estrous cycle; Human chorionic gonadotropin; Progesterone; Small ruminants; Toggenburg; Ultrasonography. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 03432naa a2200469 a 4500
001 2129228
005 2021-08-03
008 2021 bl uuuu u00u1 u #d
024 7 $a10.1016/j.domaniend.2020.106579$2DOI
100 1 $aCÔRTES, L. R.
245 $aAdministration of a single dose of 300 IU of human chorionic gonadotropin seven days after the onset of estrus improves pregnancy rate in dairy goats by an unknown mechanism.$h[electronic resource]
260 $c2021
520 $aAbstract: This study examined the effects of exogenous hCG administration on ovarian function and pregnancy rates in estrous-induced dairy goats during the transition into the breeding season. Eighty-six Toggenburg does received 60 mg of medroxyprogesterone acetate intravaginal sponge for 6 d plus 200 IU of equine chorionic gonadotropin and 30 ?g of d-cloprostenol i.m. 24 h before sponge removal, and were then bred for 96 h. Seven days (D7) after first mating the does received either 1 mL of saline (the control group, n = 43) or 300 IU of hCG (the hCG-treated group, n = 43) i.m. Transrectal ovarian ultrasonography (B-mode and color Doppler) was performed on D7, D13, D17, and D21 and ultrasonographic pregnancy detection on D30. Pregnancy rate was higher (P < 0.05) in hCG-treated goats (90.7%; 39/43) than that in control animals (74.4%; 32/43). Accessory luteal structures (ALSs) were detected in 46.5% (20/43) of hCG-treated does. All hCG-treated does that had ALSs and 82.6% of goats without ALS post-treatment remained pregnant. The total luteal area increased (P < 0.05) from D7 to D13 in pregnant animals of both groups, whereas mean vascular area declined (P < 0.05) by D21 in all nonpregnant does. Serum progesterone concentrations increased (P < 0.05) on D21 in pregnant goats of both groups, but they were related to changes in luteal tissue content only in control does throughout the present study. Mean daily numbers of small- and medium-sized antral follicles decreased (P < 0.05) only in pregnant animals of both groups with a decline in medium follicle numbers occurring earlier in hCG-treated (D13) compared with control does (D17). To summarize, a single dose of hCG given on D7 after estrus was followed by a decrease in the number of medium-sized antral follicles in gestating hCG-treated does, induced the formation of ALSs in ~47% of all hCG-treated does, and significantly increased the pregnancy rate in estrous-induced Toggenburg goats in the transition to the breeding season.
650 $aAnestrus
650 $aDairy goats
650 $aEstrous cycle
650 $aHuman chorionic gonadotropin
650 $aProgesterone
650 $aSmall ruminants
650 $aToggenburg
650 $aUltrasonography
650 $aCabra Leiteira
650 $aCaprino
650 $aProgesterona
650 $aReprodução Animal
650 $aSincronização do Cio
650 $aUltrassom
653 $aBiotecnologia da reprodução
653 $aHCG
653 $aOvary
653 $aTaxa de prenhez
700 1 $aSOUZA-FABJAN, J. M. G.
700 1 $aDIAS, D. S.
700 1 $aMARTINS, B. B.
700 1 $aMAIA, A. L. R. S.
700 1 $aVEIGA, M. O.
700 1 $aARASHIRO, E. K. N.
700 1 $aBRANDÃO, F. Z.
700 1 $aOLIVEIRA, M. E. F.
700 1 $aBARTLEWSKI, P. M.
700 1 $aFONSECA, J. F. da
773 $tDomestic Animal Endocrinology$gv. 74, e106579, 2021.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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| Registros recuperados : 57 | |
| 4. |  | RIBEIRO, L. A.; SEIFERT, M.; NORA, L.; FLORES CANTILLANO, R. F. Avaliação físico-química de maçãs cv. Fuji minimamente processadas, tratadas com antioxidantes e armazenadas sob refrigeração. In: SIMPOSIO DE ALIMENTOS, 9., 2015, Passo Fundo. A indústria de alimentos e a saúde do consumidor: [anais]. Passo Fundo: UPF, 2015. Tecnologia de alimentos, trabalho T24. 6 p.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 6. | | RIBEIRO, J. A.; SEIFERT, M.; NORA, L.; FLORES CANTILLANO, R. F.; SILVEIRA, C. F. Maçã cv. Fuji minimamente processada e tratada com diferentes antioxidantes: atividade das enzimas peroxidase e polifenoloxidase. In: SIMPOSIO DE ALIMENTOS, 9., 2015, Passo Fundo. A indústria de alimentos e a saúde do consumidor: [anais]. Passo Fundo: UPF, 2015. Tecnologia de alimentos, trabalho T34. 6 p.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 9. | | SEIFERT, M.; RIBEIRO, J. A.; FLORES CANTILLANO, R. F.; NORA, L. Avaliação de coberturas comestíveis associada a agentes coadjuvantes na preservação de compostos bioativos em minimamente processados de maçã cv. 'GALA'. In: Workshop de Compostos Bioativos & Qualidade de Alimentos , 1., 2016, Santa Maria, Anais... Santa Maria: UFSM, CCR, Departamento de Tecnologia e Ciência dos Alimentos Programa de Pós-Graduação em Ciência e Tecnologia Dos Alimentos. 2016.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 10. | | SEIFERT, M.; RIBEIRO, J. A.; FLORES CANTILLANO, R. F.; NORA, L. Avaliação da cor em maçã (Malus domestica Borkh.) CV. fuji, minimamente processada, tratada com diferentes coberturas comestíveis. In: SIMPOSIO DE ALIMENTOS, 9., 2015, Passo Fundo. A indústria de alimentos e a saúde do consumidor: [anais]. Passo Fundo: UPF, 2015. Tecnologia de alimentos, trabalho T47. 6 p.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 12. | | SEIFERT, M.; FLORES CANTILLANO, R. F.; RIBEIRO, J. A.; SILVEIRA, C. F.; NOGUEIRA, D.; NORA, L. Avaliação da cor em maçã (Malus domestica Borkh.) CV. gala, minimamente processada, tratada com diferentes coberturas comestíveis. In: SIMPÓSIO DE SEGURANÇA ALIMENTAR, 5., 2015, Bento Gonçalves. Alimentação e saúde. Bento Gonçalves: SBCTA-RS, 2015.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 14. | | RIBEIRO, J. A.; SEIFERT, M.; FLORES CANTILLANO, R. F.; NORA, L. Adição de agentes coadjuvantes em maçãs minimamente processadas para a preservação de compostos bioativos. In: Workshop de Compostos Bioativos & Qualidade de Alimentos , 1., 2016, Santa Maria, Anais... Santa Maria: UFSM, CCR, Departamento de Tecnologia e Ciência dos Alimentos Programa de Pós-Graduação em Ciência e Tecnologia Dos Alimentos. 2016.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 15. | | FLORES CANTILLANO, R. F.; SEIFERT, M.; RIBEIRO, J. A.; SILVEIRA, C. F.; NOGUEIRA, D.; NORA, L. Avaliação da qualidade de maçãs (Malus domestica Borkh.) CV. gala minimamente processadas, tratadas com diferentes coberturas comestíveis. In: SIMPÓSIO DE SEGURANÇA ALIMENTAR, 5., 2015, Bento Gonçalves. Alimentação e saúde. Bento Gonçalves: SBCTA-RS, 2015.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 17. | | TEIXEIRA, R.; SILVA, F.; ROSAS A.; VIZZOTTO, M.; FERRI, N. M. L.; NORA, L. Extração assistida por enzimas de antocianinas de amora preta das cultivares Tupy e BRS Cainguá. In: CONGRESSO BRASILEIRO DE CIÊNCIA E TECNOLOGIA DE ALIMENTOS, 29., 2024, Florianópolis. O futuro dos alimentos: inovação, saúde e sustentabilidade na cadeia produtiva de alimentos. Florianópolis: SBCTA Santa Catarina: UFSC, 2024. p. 1543| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 20. | | FONSECA, L. X.; KROLOW, A. C. R.; BARBIERI, R. L.; NORA, L. Composição mineral do butiá (Butia capitata). In: SIMPÓSIO DE CIÊNCIA E TECNOLOGIA DE ALIMENTOS, 3.; CONGRESSO DO INSTITUTO NACIONAL DE FRUTAS TROPICAIS, 2.; SEMINÁRIO DE CIÊNCIA DE ALIMENTOS, 4., 2011, Recife. [Anais...] Recife: sbCTA, 2011. Não paginado.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado. |
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| Registros recuperados : 57 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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