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| Registros recuperados : 82 | |
| 42. |  | VEIGA, M. da; PANDOLFO, C. M.; BALBINOT JUNIOR, A. A.; DURIGON, L. Fitomassa remanescente de pastagem e rendimento de grãos de milho e soja em função de formas de semeadura, tempos de diferimento e adubação da pastagem. In: CONGRESSO BRASILEIRO DE CIÊNCIA DO SOLO, 34., 2013, Florianópolis. Ciência do solo, para quê e para quem? Anais... Florianópolis: SBCS: EPAGRI, 2013. 4 p.| Biblioteca(s): Embrapa Soja. |
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| 45. | | BALBINOT JUNIOR, A. A.; VOGT, G. A.; TREZZI, M. M.; VEIGA, M. da. Intervalos de tempo entre a dessecação de pastagem de azevém e a semeadura de feijão, soja e milho. Scientia Agraria, Curitiba, v. 12, n. 2, p. 89-96, mar./abr. 2011.| Biblioteca(s): Embrapa Soja. |
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| 51. | | BETTONI, J. C.; FELDBERG, N. P.; NAVA, G.; VEIGA, M. da; WILDNER, L. do P. Vegetative, productive and qualitative performance of grapevine "Cabernet Sauvignon" according to the use of winter cover crops¹. Revista Ceres, Viçosa, v. 63, n.4, p. 538-544, jul/ago, 2016.| Biblioteca(s): Embrapa Clima Temperado. |
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| 53. | | BALBINOT JUNIOR, A. A.; VEIGA, M.; FONSECA, J. A.; VOGT, G. A.; COSTA, E. R. O.; PANISON, F. Atributos de solo e produtividade de soja afetados pela aplicação de resíduo de reciclagem de papel em um Cambissolo háplico. In: CONGRESSO BRASILEIRO DE SOJA, 6., 2012, Cuiabá. Soja: integração nacional e desenvolvimento sustentável: resumos. Brasília, DF: Embrapa, 2012. p. 189, res. 330.| Biblioteca(s): Embrapa Soja. |
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| 54. | | BALBINOT JUNIOR, A. A.; VEIGA, M.; FONSECA, J. A.; VOGT, G. A.; COSTA, E. R. O.; PANISON, F. Atributos de solo e produtividade de soja afetados pela aplicação de resíduo de reciclagem de papel em um Cambissolo háplico. In: CONGRESSO BRASILEIRO DE SOJA, 6., 2012, Cuiabá. Soja: integração nacional e desenvolvimento sustentável: anais. Brasília, DF: Embrapa, 2012. 4 p. 1 CD-ROM.| Biblioteca(s): Embrapa Soja. |
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| 55. | | BALBINOT JUNIOR, A. A.; MORAES, A. de; VEIGA, M. da; PELISSARI, A.; DIECKOW, J.; CARVALHO, P. C. de F. Desempenho da cultura do feijão após diferentes formas de uso do solo no inverno. Ciência Rural, Santa Maria, v. 39, n.8, 2009. 39 p. 2340-2346| Biblioteca(s): Embrapa Algodão. |
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| 56. | | BALBINOT JUNIOR, A. A.; VEIGA, M. da; MORAES, A. de; PELISSARI, A.; MAFRA, A. L.; DELA PICCOLLA, C. Winter pasture and cover crops and their effects on soil and summer grain crops. Pesquisa agropecuária Brasileira, Brasília, DF, v. 46, n. 10, p. 1357 -1363, out. 2011 Título em português: Pastagem e coberturas de inverno e seus efeitos sobre o solo e culturas estivais.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 57. | | BALBINOT JUNIOR, A. A.; VEIGA, M. da; MORAES, A. de; PELISSARI, A.; MAFRA, A. L.; PICCOLLA, C. D. Winter pasture and cover crops and their effects on soil and summer grain crops. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 46, n. 10, p. 1357-1363, out. 2011.| Biblioteca(s): Embrapa Soja. |
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| 58. | | FONSECA, J. A. da; BALBINOT JUNIOR, A. A.; VEIGA, M. da; VOGT, G. A.; ALBUQUERQUE, J. A.; COSTA, E. R. O. Atributos químicos de um Cambissolo háplico influenciados pela aplicação de resíduo de reciclagem de papel no solo. In: REUNIÃO TÉCNICA CATARINENSE DE MILHO E FEIJÃO, 9., 2013, Campos Novos. Resumos expandidos... Campos Novos: UNOESC, 2013. 5 p. 1 CD-ROM.| Biblioteca(s): Embrapa Soja. |
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| 59. | | BALBINOT JUNIOR, A. A.; VEIGA, M. da; FONSECA, J. A. da; VOGT, G. A.; ALBUQUERQUE, J. A.; COSTA, E. R. O. C. Atributos de solo e produtividade de feijão em função da aplicação de resíduo de reciclagem de papel em cambissolo muito ácido. In: REUNIÃO TÉCNICA CATARINENSE DE MILHO E FEIJÃO, 8., 2011, Chapecó. Resumos expandidos... Chapecó: Epagri, 2011. 5 p. Seção Feijão, 4.2. CD-ROM.| Biblioteca(s): Embrapa Soja. |
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| 60. | | MARCO, L. A. de; BALBINOT JUNIOR, A. A.; OLIVEIRA, T. M. N. de; FONSECA, J. A. da; COSTA, E. R. O.; VEIGA, M. da. Atributos de solo e rendimento da cultura do milho em função da aplicação de resíduo de reciclagem de papel em um Cambissolo Háplico. Agropecuária Catarinense, Florianópolis, v. 25, n. 1, p. 75-79, mar. 2012.| Biblioteca(s): Embrapa Soja. |
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| Registros recuperados : 82 | |
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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: |
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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Circulação/Nível: |
A - 1 |
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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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