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| Registros recuperados : 13 | |
| 2. |  | FONSECA, J. F. da; VERGANI, G. B.; CÔRTES, L. R.; RODRIGUES, J. N. D.; SIQUEIRA, L. G. B.; SOUZA-FABJAN, J. M.; OLIVEIRA, M. E. F. Induction of accessory corpus luteum in goats and sheep: from physiological basis to reproductive effects. Revista Brasileira de Reprodução Animal, v. 45, n. 4, p. 309-317, out./dez. 2021. Edição dos anais do XXIV Congresso Brasileiro de Reprodução Animal e VIII International Symposium on Animal Biology of Reproduction, Belo Horizonte, 2021.| Biblioteca(s): Embrapa Gado de Leite. |
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| 3. | | FONSECA, J. F. da; VERGANI, G. B.; CÔRTES, L. R.; RODRIGUES, J. N. D.; SIQUEIRA, L. G. B.; SOUZA-FABJAN, J. M.; OLIVEIRA, M. E. F. Induction of accessory corpus luteum in goats and sheep: From physiological basis to reproductive effects. Revista Brasileira de Reprodução Animal, v. 45, n. 4, p. 309-317, out./dez. 2021. Anais do XXIV Congresso Brasileiro de Reprodução Animal (CBRA-2021) e VIII International Symposium on Animal Biology of Reproduction - Joint Meeting, Belo Horizonte, MG, 19 a 22 de outubro de 2021.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 4. | | COSTA, P. R. da; RODRIGUES, J. N. D.; MONTEIRO NETTO, M.; RANGEL, P. S. C.; OLIVEIRA, M. E. F.; FONSECA, J. F. da. Inseminação artificial em tempo fixo em cabras com estro sincronizado com cloprostenol associado à gonodrofina coriônica equina. In: ENCONTRO DE INICIAÇÃO CIENTÍFICA DA EMBRAPA CAPRINOS E OVINOS, 10., 2021, Sobral. Anais... Sobral: Embrapa Caprinos e Ovinos, 2022. p. 39-40.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 5. | | COSTA, P. R. da; RODRIGUES, J. N. D.; MONTEIRO NETTO, M.; RANGEL, P. S. C.; OLIVEIRA, M. E. F.; FONSECA, J. F. da. Inseminação artificial em tempo fixo (IATF) em cabras leiteiras cíclicas com estro sincronizado com cloprostenol associado à gonadotrofina coriônica equina (eCG). In: ENCONTRO DE INICIAÇÃO CIENTÍFICA DA EMBRAPA CAPRINOS E OVINOS, 11., 2022, Sobral. Anais... Sobral: Embrapa Caprinos e Ovinos, 2023. p. 36-37. (Embrapa Caprinos e Ovinos. Eventos técnicos & científicos).| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 6. | | RODRIGUES, J. N. D.; GUIMARÃES, J. D.; RANGEL, P. S. C.; FONSECA, J. F. da; OLIVEIRA, M. E. F.; GARCIA, A. R. Efeito de parâmetros climáticos na velocidade do fluxo sanguíneo testicular de ovinos Santa Inês criados em clima tropical úmido. Revista Brasileira de Reprodução Animal, v. 46, n. 2, p. 242-243, abr./jun. 2022. p. 242-243. Anais da VI Reunião da Associação Brasileira de Andrologia Animal, Campinas, SP, 10 a 11 de junho 2022. Título em inglês: Effect of climatic parameters on the velocity of testicular blood flow of Santa Inês rams reared in humid tropical...| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 7. | | RODRIGUES, J. N. D.; GUIMARÃES, J. D.; RANGEL, P. S. C.; FONSECA, J. F. da; OLIVEIRA, M. E. F.; GARCIA, A. R. Efeito de parâmetros climáticos na velocidade do fluxo sanguíneo testicular de ovinos Santa Inês criados em clima tropical úmido. Revista Brasileira de Reprodução Animal, v. 46, n. 2, p. 242-243, abr./jun. 2022. Anais da VI Reunião da Associação Brasileira de Andrologia Animal, Campinas, SP, 10 a 11 de junho 2022.
Título em inglês: Effect of climatic parameters on the velocity of testicular blood flow of Santa Inês rams reared in humid tropical...| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 10. | | RODRIGUES, J. N. D.; GUIMARÃES, J. D.; OLIVEIRA, M. E. F.; DIAS, J. H.; ARRAIS, A. M.; SOUSA, M. A. P. de; BASTOS, R.; AHMADI, B.; BARTLEWSKI, P. M.; FONSECA, J. F. da. Human chorionic gonadotropin affects original (ovulatory) and induced (accessory) corpora lutea, progesterone concentrations, and pregnancy rates in anestrous dairy goats. Reproductive Biology, v. 22, n. 1, e100591, Mar. 2022.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 11. | | OLIVEIRA, M. E. F.; CALDAS, T. D. B.; RODRIGUES, J. N. D.; VERGANI, G. B.; RANGEL, P. S. C.; ESTEVES, L. V.; SOUZA-FABJAN, J. M. G.; FONSECA, J. F. da. Intravaginal progesterone device reinsertion during the early luteal phase affects luteal function and embryo yield in superovulated ewes. Animal Reproduction Science, v. 254, 107273, Jul. 2023.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 12. | | GONÇALVES, J. D.; VERGANI, G. B.; RODRIGUES, J. N. D.; DIAS, J. H.; PEREIRA, V. S. do A.; GARCIA, A. R.; ESTEVES, S. N.; FONSECA, J. F. da; OLIVEIRA, M. E. F. Luteal tissue characteristics of Morada Nova ewes with hCG application 7.5 days after the end of estrus synchronization protocol in the breeding season. Animal Reproduction Science, v. 261, 107396, Feb. 2024.| Biblioteca(s): Embrapa Caprinos e Ovinos; Embrapa Gado de Leite; Embrapa Pecuária Sudeste. |
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| 13. | | RODRIGUES, J. N. D.; GUIMARÃES, J. D.; FONSECA, J. F. da; PENITENTE-FILHO, J. M.; RANGEL, P. S. C.; RAMÍREZ LÓPEZ, C. J.; FREITAS, R. S.; CASTILHO, E. F. de; RODRIGUES, L. F. de S.; OLIVEIRA, M. E. F.; GARCIA, A. R. Climatic seasons and time of the day influence thermoregulation and testicular hemodynamics in Santa Inês rams raised under humid tropical conditions. Journal of Thermal Biology, v. 114, article 103546, May, 2023.| Biblioteca(s): Embrapa Caprinos e Ovinos; Embrapa Pecuária Sudeste. |
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| Registros recuperados : 13 | |
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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: |
23/08/2023 |
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Data da última atualização: |
23/08/2023 |
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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: |
RODRIGUES, J. N. D.; GUIMARÃES. J. D.; RANGEL, P. S. C.; OLIVEIRA, M. E. F.; BRANDÃO, F. Z.; BARTLEWSKI, P. M.; FONSECA, J. F. da. |
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Afiliação: |
JULIANA NASCIMENTO DUARTE RODRIGUES, UNIVERSIDADE FEDERAL DE VIÇOSA, UNIVERSIDADE FEDERAL RURAL DA AMAZÔNIA; JOSÉ DOMINGOS GUIMARÃES, UNIVERSIDADE FEDERAL DE VIÇOSA; PAULO SERGIO CERQUEIRA RANGEL, UNIVERSIDADE FEDERAL DE VIÇOSA; MARIA EMILIA FRANCO OLIVEIRA, UNIVERSIDADE ESTADUAL PAULISTA; FELIPE ZANDONADI BRANDÃO, UNIVERSIDADE FEDERAL FLUMINENSE; PAWEL MIECZYSLAW BARTLEWSKI, UNIVERSITY OF GUELPH; JEFERSON FERREIRA DA FONSECA, CNPC. |
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Título: |
Ovarian function and pregnancy rates in dairy goats that received 300 IU of human chorionic gonadotropin (hCG) intravaginally at the time of artificial insemination. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Small Ruminant Research, v. 227, e107061, Oct. 2023. |
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DOI: |
https://doi.org/10.1016/j.smallrumres.2023.107061 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Two experiments were carried out to evaluate the effects of administering 300 IU hCG intravaginally (i.vag.) at the time of artificial insemination (AI) on ovulatory response, luteal function and pregnancy rates in cyclic Alpine (A) and Saanen (S) goats. All animals received two i.m. injections of 37.5 ?g of d-cloprostenol (Prolise®; Tecnopec, São Paulo, SP, Brazil) at 11.5-day (Experiments 1 and 2) or 7.5-day intervals (Experiment 2). One day after the onset of estrus (day of AI=D0), the goats were randomly allocated to one of the two groups that received: 300 IU hCG (Vetecor®; Hertape-Calier, São Paulo, SP, Brazil) i.vag. (G-hCG; Experiment 1: n = 12 A; Experiment 2: n = 80 A + 63 S) or 0.3 mL or saline solution i.vag. (G-Control; Experiment 1: n = 12 A; Experiment 2: n = 82 A + 65 S). Blood samples for measurements of circulating progesterone concentrations were drawn on both days of d-cloprostenol injections and on D3, D7, D10, D13 and D21 (Experiment 1). Transrectal ovarian ultrasonography was done on D7, D10, D13, D17 and D21 (Experiment 1), and pregnancy detection was performed on D60 (Experiment 2). In Experiment 1, there were no differences (P > 0.05) in the mean diameter of ovulatory follicles, timing and number of ovulations, and incidence of early luteal regression between the two groups of goats. However, the total luteal area on D17 and D21 and luteal vascularization on D10 and D13 were higher (P < 0.05) in G-hCG compared with G-Control does. In Experiment 2, the pregnancy rate was higher (P < 0.05) in G-hCG compared with G-Control goats (80.4% compared with 67.3%, respectively). Human chorionic gonadotropin (300 IU) given i.vag. at the time of AI did not alter ovulatory response or progesterone secretory ability of resultant corpora lutea nor did it completely prevent premature luteal regression, but it increased the luteal area and luteal vascularization as well as the conception rate in dairy goats (the latter by 13.1%). MenosAbstract: Two experiments were carried out to evaluate the effects of administering 300 IU hCG intravaginally (i.vag.) at the time of artificial insemination (AI) on ovulatory response, luteal function and pregnancy rates in cyclic Alpine (A) and Saanen (S) goats. All animals received two i.m. injections of 37.5 ?g of d-cloprostenol (Prolise®; Tecnopec, São Paulo, SP, Brazil) at 11.5-day (Experiments 1 and 2) or 7.5-day intervals (Experiment 2). One day after the onset of estrus (day of AI=D0), the goats were randomly allocated to one of the two groups that received: 300 IU hCG (Vetecor®; Hertape-Calier, São Paulo, SP, Brazil) i.vag. (G-hCG; Experiment 1: n = 12 A; Experiment 2: n = 80 A + 63 S) or 0.3 mL or saline solution i.vag. (G-Control; Experiment 1: n = 12 A; Experiment 2: n = 82 A + 65 S). Blood samples for measurements of circulating progesterone concentrations were drawn on both days of d-cloprostenol injections and on D3, D7, D10, D13 and D21 (Experiment 1). Transrectal ovarian ultrasonography was done on D7, D10, D13, D17 and D21 (Experiment 1), and pregnancy detection was performed on D60 (Experiment 2). In Experiment 1, there were no differences (P > 0.05) in the mean diameter of ovulatory follicles, timing and number of ovulations, and incidence of early luteal regression between the two groups of goats. However, the total luteal area on D17 and D21 and luteal vascularization on D10 and D13 were higher (P < 0.05) in G-hCG compared with G-Control does. In Exper... Mostrar Tudo |
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Palavras-Chave: |
Época de reprodução; HCG; Ovary; Synchronized females. |
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Thesagro: |
Cabra Leiteira; Caprino; Corpo Lúteo; Eficiência Reprodutiva; Inseminação Artificial; Ovário; Prenhez; Reprodução; Sincronização do Cio; Ultrassom. |
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Thesaurus NAL: |
Animal ovaries; Artificial insemination; Breeding season; Corpus luteum; Dairy goats; Estrus synchronization; Human chorionic gonadotropin; Pregnancy rate; Progesterone; Reproduction; Reproductive performance; Ultrasonography. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
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100 1 $aRODRIGUES, J. N. D.
245 $aOvarian function and pregnancy rates in dairy goats that received 300 IU of human chorionic gonadotropin (hCG) intravaginally at the time of artificial insemination.$h[electronic resource]
260 $c2023
520 $aAbstract: Two experiments were carried out to evaluate the effects of administering 300 IU hCG intravaginally (i.vag.) at the time of artificial insemination (AI) on ovulatory response, luteal function and pregnancy rates in cyclic Alpine (A) and Saanen (S) goats. All animals received two i.m. injections of 37.5 ?g of d-cloprostenol (Prolise®; Tecnopec, São Paulo, SP, Brazil) at 11.5-day (Experiments 1 and 2) or 7.5-day intervals (Experiment 2). One day after the onset of estrus (day of AI=D0), the goats were randomly allocated to one of the two groups that received: 300 IU hCG (Vetecor®; Hertape-Calier, São Paulo, SP, Brazil) i.vag. (G-hCG; Experiment 1: n = 12 A; Experiment 2: n = 80 A + 63 S) or 0.3 mL or saline solution i.vag. (G-Control; Experiment 1: n = 12 A; Experiment 2: n = 82 A + 65 S). Blood samples for measurements of circulating progesterone concentrations were drawn on both days of d-cloprostenol injections and on D3, D7, D10, D13 and D21 (Experiment 1). Transrectal ovarian ultrasonography was done on D7, D10, D13, D17 and D21 (Experiment 1), and pregnancy detection was performed on D60 (Experiment 2). In Experiment 1, there were no differences (P > 0.05) in the mean diameter of ovulatory follicles, timing and number of ovulations, and incidence of early luteal regression between the two groups of goats. However, the total luteal area on D17 and D21 and luteal vascularization on D10 and D13 were higher (P < 0.05) in G-hCG compared with G-Control does. In Experiment 2, the pregnancy rate was higher (P < 0.05) in G-hCG compared with G-Control goats (80.4% compared with 67.3%, respectively). Human chorionic gonadotropin (300 IU) given i.vag. at the time of AI did not alter ovulatory response or progesterone secretory ability of resultant corpora lutea nor did it completely prevent premature luteal regression, but it increased the luteal area and luteal vascularization as well as the conception rate in dairy goats (the latter by 13.1%).
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650 $aPregnancy rate
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650 $aUltrasonography
650 $aCabra Leiteira
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650 $aInseminação Artificial
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700 1 $aGUIMARÃES. J. D.
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700 1 $aBARTLEWSKI, P. M.
700 1 $aFONSECA, J. F. da
773 $tSmall Ruminant Research$gv. 227, e107061, Oct. 2023.
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