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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
24/10/2014 |
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Data da última atualização: |
27/10/2014 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
OLIVEIRA, M. E. F.; FELICIANO, M. A. R.; D'AMATO, C. C.; OLIVEIRA, L. G.; BICUDO, S. D.; FONSECA, J. F. da; VICENTE, W. R. R.; VISCO, E.; BARTLEWSKID, P. M. |
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Afiliação: |
Maria E. F. Oliveira, São Paulo State University (USP) - Jaboticabal, SP, Brazil; Marcus A. R. Feliciano, USP - Jaboticabal, SP, Brazil; Carla C. D'Amato, USP - Jaboticabal, SP, Brazil; Luís G. Oliveira, USP - Jaboticabal, SP, Brazil; Sony D. Bicudo, Paulo State University (USP) - Botucatu, SP, Brazil; Jeferson Ferreira da Fonseca, CNPC; Wilter R. R. Vicente, USP - Jaboticabal, SP, Brazil; Elise Visco, University of Guelph, Guelph, Canada; Pawel M. Bartlewskid, University of Guelph, Guelph, Canada. |
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Título: |
Correlations between ovarian follicular blood flow and superovulatory responses in ewes. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Animal Reproduction Science, Champaign, v. 144, n. 1/2, p. 30-37, Jan. 2014. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The primary goal of this study was to employ ultrasonography to examine the ovaries of ewes undergoing superovulatory treatment for correlations between antral follicular blood flow and ovarian responses/embryo yields. Five Santa Inês ewes were subjected to a short- (Days 0?6, Group 1) and five to a long-term progesterone-based protocol (Days 0?12, Group 2) to synchronize estrus and ovulations after the superovulatory treatment. Porcine FSH (pFSH, 200 mg) was administered in 8 decreasing doses over 4 days, starting on Days 4 and 10 in Groups 1 and 2, respectively. After CIDR removal, all ewes were bred by a ram and embryos were recovered surgically 7 days later. Transrectal ovarian ultrasonography was performed the day before and on all 4 days of the superovulatory treatment. Both an arbitrary-scale [(0) non-detectable; (1) small; (2) moderate; (3) intense blood flow] and quantitative analysis of the blood flow area were used to assess the follicular blood flow in color Doppler images. There were no significant correlations between the arbitrary blood flow scores and superovulatory responses in the ewes of the present study. However, there was a positive correlation between the quantitative estimates of follicular blood flow on the final day of the superovulatory treatment, and the number (DA: r = 0.68, P < 0.05; DA/TA × 100%: r = 0.85, P < 0.05) and percentage (DA: r = 0.65, P < 0.05; DA/TA × 100%: r = 0.91, P < 0.001) of unfertilized eggs (DA: Doppler area, TA: total area of the largest ovarian cross section). This experiment presents a commercially practical tool for predicting superovulatory outcomes in ewes and evidence for the existence of follicular blood flow threshold that may impinge negatively on oocyte quality when surpassed during hormonal ovarian superstimulation. MenosAbstract: The primary goal of this study was to employ ultrasonography to examine the ovaries of ewes undergoing superovulatory treatment for correlations between antral follicular blood flow and ovarian responses/embryo yields. Five Santa Inês ewes were subjected to a short- (Days 0?6, Group 1) and five to a long-term progesterone-based protocol (Days 0?12, Group 2) to synchronize estrus and ovulations after the superovulatory treatment. Porcine FSH (pFSH, 200 mg) was administered in 8 decreasing doses over 4 days, starting on Days 4 and 10 in Groups 1 and 2, respectively. After CIDR removal, all ewes were bred by a ram and embryos were recovered surgically 7 days later. Transrectal ovarian ultrasonography was performed the day before and on all 4 days of the superovulatory treatment. Both an arbitrary-scale [(0) non-detectable; (1) small; (2) moderate; (3) intense blood flow] and quantitative analysis of the blood flow area were used to assess the follicular blood flow in color Doppler images. There were no significant correlations between the arbitrary blood flow scores and superovulatory responses in the ewes of the present study. However, there was a positive correlation between the quantitative estimates of follicular blood flow on the final day of the superovulatory treatment, and the number (DA: r = 0.68, P < 0.05; DA/TA × 100%: r = 0.85, P < 0.05) and percentage (DA: r = 0.65, P < 0.05; DA/TA × 100%: r = 0.91, P < 0.001) of unfertilized eggs (DA: Doppler area, TA: t... Mostrar Tudo |
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Palavras-Chave: |
Antral follicles; Color Doppler sonography. |
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Thesagro: |
Ovário; Ovelha; Ovino; Reprodução animal; Superovulação. |
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Thesaurus Nal: |
Blood circulation; Ewes; Reproduction; Sheep; Superovulation. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/110557/1/ap-Correlations.pdf
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Marc: |
LEADER 02851naa a2200361 a 4500
001 1998372
005 2014-10-27
008 2014 bl uuuu u00u1 u #d
100 1 $aOLIVEIRA, M. E. F.
245 $aCorrelations between ovarian follicular blood flow and superovulatory responses in ewes.$h[electronic resource]
260 $c2014
520 $aAbstract: The primary goal of this study was to employ ultrasonography to examine the ovaries of ewes undergoing superovulatory treatment for correlations between antral follicular blood flow and ovarian responses/embryo yields. Five Santa Inês ewes were subjected to a short- (Days 0?6, Group 1) and five to a long-term progesterone-based protocol (Days 0?12, Group 2) to synchronize estrus and ovulations after the superovulatory treatment. Porcine FSH (pFSH, 200 mg) was administered in 8 decreasing doses over 4 days, starting on Days 4 and 10 in Groups 1 and 2, respectively. After CIDR removal, all ewes were bred by a ram and embryos were recovered surgically 7 days later. Transrectal ovarian ultrasonography was performed the day before and on all 4 days of the superovulatory treatment. Both an arbitrary-scale [(0) non-detectable; (1) small; (2) moderate; (3) intense blood flow] and quantitative analysis of the blood flow area were used to assess the follicular blood flow in color Doppler images. There were no significant correlations between the arbitrary blood flow scores and superovulatory responses in the ewes of the present study. However, there was a positive correlation between the quantitative estimates of follicular blood flow on the final day of the superovulatory treatment, and the number (DA: r = 0.68, P < 0.05; DA/TA × 100%: r = 0.85, P < 0.05) and percentage (DA: r = 0.65, P < 0.05; DA/TA × 100%: r = 0.91, P < 0.001) of unfertilized eggs (DA: Doppler area, TA: total area of the largest ovarian cross section). This experiment presents a commercially practical tool for predicting superovulatory outcomes in ewes and evidence for the existence of follicular blood flow threshold that may impinge negatively on oocyte quality when surpassed during hormonal ovarian superstimulation.
650 $aBlood circulation
650 $aEwes
650 $aReproduction
650 $aSheep
650 $aSuperovulation
650 $aOvário
650 $aOvelha
650 $aOvino
650 $aReprodução animal
650 $aSuperovulação
653 $aAntral follicles
653 $aColor Doppler sonography
700 1 $aFELICIANO, M. A. R.
700 1 $aD'AMATO, C. C.
700 1 $aOLIVEIRA, L. G.
700 1 $aBICUDO, S. D.
700 1 $aFONSECA, J. F. da
700 1 $aVICENTE, W. R. R.
700 1 $aVISCO, E.
700 1 $aBARTLEWSKID, P. M.
773 $tAnimal Reproduction Science, Champaign$gv. 144, n. 1/2, p. 30-37, Jan. 2014.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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Registro Completo
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Biblioteca(s): |
Embrapa Amazônia Ocidental. |
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Data corrente: |
25/02/2010 |
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Data da última atualização: |
05/04/2022 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Autoria: |
CHAVES, F. C. M.; MAGALHÃES, P. M. de; HIDALGO, A. de F.; POHLIT, A. M. |
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Afiliação: |
FRANCISCO CELIO MAIA CHAVES, CPAA; Pedro Melillo de Magalhães, Universidade Estadual de Campinas; Ari de Freitas Hidalgo, UFAM; Adrian Martin Pohlit, INPA. |
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Título: |
Estudo multidisciplinar do chá padronizado de Artemisia annua sobre cepas clínicas regionais de Plasmodium spp. a partir do cultivo da planta em escala comunitária em três ecossistemas amazônicos. |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
In: REUNIÃO TÉCNICA DE PESQUISA E DESENVOLVIMENTO DA EMBRAPA AMAZÔNIA OCIDENTAL, 4., 2009, Manaus. Anais... Manaus: Embrapa Amazônia Ocidental, 2009. p. 144-147. (Embrapa Amazônia Ocidental. Documentos, 73). |
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Idioma: |
Português |
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Conteúdo: |
Este trabalho teve como objetivo obter dados agronômicos para viabilizar o desenvolvimento de antimaláricos potenciais de Artemisia annua na Região Amazônica; avaliar os rendimentos de populações de A. annua selecionadas em três ecossistemas amazônicos e a atividade antimalárica in vitro contra cepas regionais de Plasmodium spp. |
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Thesagro: |
Artemisia Annua. |
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Thesaurus NAL: |
malaria. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/64658/1/Doc-73p146-149.pdf
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Marc: |
LEADER 01144nam a2200169 a 4500
001 1685070
005 2022-04-05
008 2009 bl uuuu u00u1 u #d
100 1 $aCHAVES, F. C. M.
245 $aEstudo multidisciplinar do chá padronizado de Artemisia annua sobre cepas clínicas regionais de Plasmodium spp. a partir do cultivo da planta em escala comunitária em três ecossistemas amazônicos.$h[electronic resource]
260 $aIn: REUNIÃO TÉCNICA DE PESQUISA E DESENVOLVIMENTO DA EMBRAPA AMAZÔNIA OCIDENTAL, 4., 2009, Manaus. Anais... Manaus: Embrapa Amazônia Ocidental, 2009. p. 144-147. (Embrapa Amazônia Ocidental. Documentos, 73).$c2009
520 $aEste trabalho teve como objetivo obter dados agronômicos para viabilizar o desenvolvimento de antimaláricos potenciais de Artemisia annua na Região Amazônica; avaliar os rendimentos de populações de A. annua selecionadas em três ecossistemas amazônicos e a atividade antimalárica in vitro contra cepas regionais de Plasmodium spp.
650 $amalaria
650 $aArtemisia Annua
700 1 $aMAGALHÃES, P. M. de
700 1 $aHIDALGO, A. de F.
700 1 $aPOHLIT, A. M.
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Embrapa Amazônia Ocidental (CPAA) |
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