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Registro Completo |
Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
Data corrente: |
09/06/2016 |
Data da última atualização: |
20/02/2017 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
BALARO, M. F. A.; BRANDÃO, F. Z.; MAIA, A. L. R. S.; SOUZA-FABJAN, J. M. G.; CUETO, M. I.; GIBBONS, A. E.; FONSECA, J. F. da. |
Afiliação: |
Departamento de Patologia e Clínica Veterinaria, Faculdade de Veterinaria, Universidade Federal Fluminense (UFF) - Niteroi, RJ, Brazil; Departamento de Patologia e Clínica Veterinaria, Faculdade de Veterinaria, Universidade Federal Fluminense (UFF) - Niteroi, RJ, Brazil; Departamento de Patologia e Clínica Veterinaria, Faculdade de Veterinaria, Universidade Federal Fluminense (UFF) - Niteroi, RJ, Brazil; Departamento de Patologia e Clínica Veterinaria, Faculdade de Veterinaria, Universidade Federal Fluminense (UFF) - Niteroi, RJ, Brazil; Instituto Nacional de Tecnologia Agropecuaria, Bariloche, Argentina; Instituto Nacional de Tecnologia Agropecuaria, Bariloche, Argentina; JEFERSON FERREIRA DA FONSECA, CNPC. |
Título: |
Pre-selection test to identify high responder donor goats. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
Reproduction in Domestic Animals, Berlin, v. 51, n. 3, p. 386-391, Jun. 2016. |
DOI: |
10.1111/rda.12690 |
Idioma: |
Inglês |
Conteúdo: |
Abstract: The aim of the study was to evaluate the feasibility of pre-selection of high or low responder does prior to the superovulatory protocols. Twenty Saanen does received 800 IU of equine chorionic gonadotropin (eCG) at the end of long-term progestogen treatment. Fourteen days later, a second progestogen protocol associated with a multiple-dose follicle stimulation hormone (FSH) treatment (5 IU/kg of FSH, in six decreasing doses between days 4 to 6 of the protocol) was administered. Transrectal ultrasound was used to assess the follicular status at the beginning of superovulatory treatments, at the oestrous onset and on the seventh day of the oestrous cycle for counting corpora lutea (CL). A significant lower number of CL was obtained in eCG-treated in comparision with FSH-treated does (p < 0.05). A quartic regression was able to explain the relationship between the number of CL in response to both treatments (r(2) =0.50; p < 0.05). Seventy per cent (14 of 20) of does maintained the same ovulatory response (high or low) after treatments. The Kappa (? = 0.40; p < 0.05) and Spearman (rs = 0.39; p = 0.08) coefficients were able to show a relationship between treatments. Regarding the follicular status, there is a significant relationship between the number of small follicles (r = 0.71; r(2) =0.47; p < 0.01) and total follicles (r = 0.60; p < 0.01) at eCG and first FSH dose with the number of CL. Moreover, it was found a negative relationship between the presence of large follicles and the number of CL in response to eCG treatment (r = -0.44; p < 0.05), but not from FSH (p > 0.05). In conclusion, the screening test with eCG has the potential to identify Saanen does that will better respond to the superovulatory protocol with FSH. In addition, it highlighted the importance of an ultrasound evaluation prior to the beginning of superovulatory treatments with FSH to characterize the follicular status and identify the potential donors of high ovulatory response in MOET programmes in goats. MenosAbstract: The aim of the study was to evaluate the feasibility of pre-selection of high or low responder does prior to the superovulatory protocols. Twenty Saanen does received 800 IU of equine chorionic gonadotropin (eCG) at the end of long-term progestogen treatment. Fourteen days later, a second progestogen protocol associated with a multiple-dose follicle stimulation hormone (FSH) treatment (5 IU/kg of FSH, in six decreasing doses between days 4 to 6 of the protocol) was administered. Transrectal ultrasound was used to assess the follicular status at the beginning of superovulatory treatments, at the oestrous onset and on the seventh day of the oestrous cycle for counting corpora lutea (CL). A significant lower number of CL was obtained in eCG-treated in comparision with FSH-treated does (p < 0.05). A quartic regression was able to explain the relationship between the number of CL in response to both treatments (r(2) =0.50; p < 0.05). Seventy per cent (14 of 20) of does maintained the same ovulatory response (high or low) after treatments. The Kappa (? = 0.40; p < 0.05) and Spearman (rs = 0.39; p = 0.08) coefficients were able to show a relationship between treatments. Regarding the follicular status, there is a significant relationship between the number of small follicles (r = 0.71; r(2) =0.47; p < 0.01) and total follicles (r = 0.60; p < 0.01) at eCG and first FSH dose with the number of CL. Moreover, it was found a negative relationship between the presence of large ... Mostrar Tudo |
Palavras-Chave: |
ECG; FSH; Gonadatrofina; MOET; PMSG; Progestogens; Raça Saanen; Ultra-Som; Ultrasound. |
Thesagro: |
Caprino; Hormônio animal; Ovulação; Reprodução animal; Superovulação. |
Thesaurus Nal: |
Goats; Gonadotropins; Ovulation; Progesterone; Reproduction; Superovulation. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
Marc: |
LEADER 03200naa a2200445 a 4500 001 2046660 005 2017-02-20 008 2016 bl uuuu u00u1 u #d 024 7 $a10.1111/rda.12690$2DOI 100 1 $aBALARO, M. F. A. 245 $aPre-selection test to identify high responder donor goats.$h[electronic resource] 260 $c2016 520 $aAbstract: The aim of the study was to evaluate the feasibility of pre-selection of high or low responder does prior to the superovulatory protocols. Twenty Saanen does received 800 IU of equine chorionic gonadotropin (eCG) at the end of long-term progestogen treatment. Fourteen days later, a second progestogen protocol associated with a multiple-dose follicle stimulation hormone (FSH) treatment (5 IU/kg of FSH, in six decreasing doses between days 4 to 6 of the protocol) was administered. Transrectal ultrasound was used to assess the follicular status at the beginning of superovulatory treatments, at the oestrous onset and on the seventh day of the oestrous cycle for counting corpora lutea (CL). A significant lower number of CL was obtained in eCG-treated in comparision with FSH-treated does (p < 0.05). A quartic regression was able to explain the relationship between the number of CL in response to both treatments (r(2) =0.50; p < 0.05). Seventy per cent (14 of 20) of does maintained the same ovulatory response (high or low) after treatments. The Kappa (? = 0.40; p < 0.05) and Spearman (rs = 0.39; p = 0.08) coefficients were able to show a relationship between treatments. Regarding the follicular status, there is a significant relationship between the number of small follicles (r = 0.71; r(2) =0.47; p < 0.01) and total follicles (r = 0.60; p < 0.01) at eCG and first FSH dose with the number of CL. Moreover, it was found a negative relationship between the presence of large follicles and the number of CL in response to eCG treatment (r = -0.44; p < 0.05), but not from FSH (p > 0.05). In conclusion, the screening test with eCG has the potential to identify Saanen does that will better respond to the superovulatory protocol with FSH. In addition, it highlighted the importance of an ultrasound evaluation prior to the beginning of superovulatory treatments with FSH to characterize the follicular status and identify the potential donors of high ovulatory response in MOET programmes in goats. 650 $aGoats 650 $aGonadotropins 650 $aOvulation 650 $aProgesterone 650 $aReproduction 650 $aSuperovulation 650 $aCaprino 650 $aHormônio animal 650 $aOvulação 650 $aReprodução animal 650 $aSuperovulação 653 $aECG 653 $aFSH 653 $aGonadatrofina 653 $aMOET 653 $aPMSG 653 $aProgestogens 653 $aRaça Saanen 653 $aUltra-Som 653 $aUltrasound 700 1 $aBRANDÃO, F. Z. 700 1 $aMAIA, A. L. R. S. 700 1 $aSOUZA-FABJAN, J. M. G. 700 1 $aCUETO, M. I. 700 1 $aGIBBONS, A. E. 700 1 $aFONSECA, J. F. da 773 $tReproduction in Domestic Animals, Berlin$gv. 51, n. 3, p. 386-391, Jun. 2016.
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3. | | ALVES, E. G. L.; SERAKIDES, R.; BOELONI, J. N.; ROSADO, I. R.; OCARINO, N. M.; OLIVEIRA, H. P.; GÓES, A. M.; REZENDE, C. M. F. Estudo comparativo da diferenciação osteogênica das células tronco mesenquimais da medula óssea e do tecido adiposo de cães adultos. Pesquisa Veterinária Brasileira, Brasília, DF, v. 36 (supl. 1), p. 21-32, jun. 2016.Biblioteca(s): Embrapa Unidades Centrais. |
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4. | | FERNANDES, M. I. L.; MAERTENS, M.; FIGUEIREDO, G. G.; MELO, M. I. de A.; LIMA, C. de F.; NUNES, T. da S.; RUFINO, J. L. P.; OLIVEIRA, M. F. de; FARIA, H. P. de; SILVA, J. M. da; PINHEIRO, T. M. M.; SANTORO, M. M.; GÓES, A. M. de; NOVATO-SILVA, E. Grupo de estudos de saúde e trabalho rural. In: SEMANA DE INICIAÇÃO CIENTÍFICA, 18.; SEMANA DE GRADUAÇÃO, 13.; ENCONTRO DE EXTENSÃO, 12., 2009, Belo Horizonte. Semana do conhecimento e cultura: UFMG 2009: conhecimento em todo lugar. Belo Horizonte: UFMG, 2009. Poster.Tipo: Resumo em Anais de Congresso |
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