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Registro Completo |
Biblioteca(s): |
Embrapa Florestas. |
Data corrente: |
21/07/2004 |
Data da última atualização: |
21/07/2004 |
Autoria: |
PEDREIRA, B. da C. C. G.; SANTOS, R. F. dos. |
Título: |
Sensores remotos, escalas geográficas e análises espaciais orientados a planejamentos ambientais em áreas florestais. |
Ano de publicação: |
2003 |
Fonte/Imprenta: |
Revista do Instituto Florestal, v. 15, n. 2, p. 81-96, dez. 2003. |
Idioma: |
Português |
Palavras-Chave: |
Escala espacial; Estudo da paisagem. |
Thesagro: |
Planejamento; Sensoriamento Remoto. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00570naa a2200169 a 4500 001 1309257 005 2004-07-21 008 2003 bl uuuu u00u1 u #d 100 1 $aPEDREIRA, B. da C. C. G. 245 $aSensores remotos, escalas geográficas e análises espaciais orientados a planejamentos ambientais em áreas florestais. 260 $c2003 650 $aPlanejamento 650 $aSensoriamento Remoto 653 $aEscala espacial 653 $aEstudo da paisagem 700 1 $aSANTOS, R. F. dos 773 $tRevista do Instituto Florestal$gv. 15, n. 2, p. 81-96, dez. 2003.
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Embrapa Florestas (CNPF) |
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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
Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
Data corrente: |
10/12/2019 |
Data da última atualização: |
10/12/2019 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
OLIVEIRA, M. E. F.; FONSECA, J. F. da; VICENTE, W. R. R.; RODRIGUES, N. N.; VERGANI, G. B.; SOUZA-FABJAN, J. M. G.; JAMIESON, M.; CRISTESCU, A.; MURAWSKI, M.; BARTLEWSKI, P. M. |
Afiliação: |
MARIA EMILIA FRANCO OLIVEIRA; JEFERSON FERREIRA DA FONSECA, CNPC; WILTER RICARDO RUSSIANO VICENTE; NAIARA NANTES RODRIGUES; GABRIEL BRUN VERGANI; JOANNA MARIA GONÇALVES SOUZA-FABJAN; MARK JAMIESON; ADA CRISTESCU; MACIEJ MURAWSKI; PAWEL MIECZYSLAW BARTLEWSKI. |
Título: |
Are the spectral Doppler indices of ovarian arteries indicative of antral follicular development and predictive of ovulatory responses and embryo yields in superovulated ewes?. |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
Reproductive Biology, v. 19, p. 394-403, 2019. |
DOI: |
10.1016/j.repbio.2019.11.004 |
Idioma: |
Inglês |
Conteúdo: |
Abstract: Nineteen ewes received 200 mg of pFSH administered in eight decreasing doses from Days 1 to 4, starting three days before CIDR® device removal. Ten ewes received an injection of 350 ?g of estradiol benzoate at CIDR® device insertion (Group E) and nine animals served as controls (Group C). B-mode and spectral Doppler ultrasonographic examinations were performed daily throughout superovulatory treatment to enumerate ovarian antral follicles and to determine ovarian blood flow indices, respectively. There were no differences (P > 0.05) in superovulatory responses between left and right ovaries/uterine horns or the two groups of animals. End-diastolic velocity (EDV) and mean velocity (Vm) values were greater (P < 0.05) on Days 1 and 2, and peak systolic velocity (SVp) was greater (P < 0.05) on Day 3 in Group C than in Group E. In Group E 15 correlations was recorded among indices (SVp, Vm, EDV, flow velocity integral-FVI, and pulsatility index-PI) and follicles numbers in different size classes on Days 1, 2 and 4, and seven correlations among indices (SVp, EDV, Vm, and vascular resistance index-RI) and superovulatory/embryo results (numbers of regressing corpora lutea, numbers/percentages of degenerated embryos and viability rates) on Days 1, 2 and 3. In Group C, there were three correlations among EDV and RI and medium-sized/large follicle numbers on Days 1 and 3, and five correlations among indices (EDV, RI and PI) and superovulatory/embryo results (numbers of luteinized unovulated follicles, degenerated embryos and unfertilized eggs) on Days 2 or 4. There was a lack of consistency in the velocimetric correlates of antral follicle numbers and superovulatory responses between the left and right side. Therefore, the usefulness of ovarian arterial indices to predict ovine superovulatory outcomes remains equivocal and requires further confirmatory studies. MenosAbstract: Nineteen ewes received 200 mg of pFSH administered in eight decreasing doses from Days 1 to 4, starting three days before CIDR® device removal. Ten ewes received an injection of 350 ?g of estradiol benzoate at CIDR® device insertion (Group E) and nine animals served as controls (Group C). B-mode and spectral Doppler ultrasonographic examinations were performed daily throughout superovulatory treatment to enumerate ovarian antral follicles and to determine ovarian blood flow indices, respectively. There were no differences (P > 0.05) in superovulatory responses between left and right ovaries/uterine horns or the two groups of animals. End-diastolic velocity (EDV) and mean velocity (Vm) values were greater (P < 0.05) on Days 1 and 2, and peak systolic velocity (SVp) was greater (P < 0.05) on Day 3 in Group C than in Group E. In Group E 15 correlations was recorded among indices (SVp, Vm, EDV, flow velocity integral-FVI, and pulsatility index-PI) and follicles numbers in different size classes on Days 1, 2 and 4, and seven correlations among indices (SVp, EDV, Vm, and vascular resistance index-RI) and superovulatory/embryo results (numbers of regressing corpora lutea, numbers/percentages of degenerated embryos and viability rates) on Days 1, 2 and 3. In Group C, there were three correlations among EDV and RI and medium-sized/large follicle numbers on Days 1 and 3, and five correlations among indices (EDV, RI and PI) and superovulatory/embryo results (numbers of lutein... Mostrar Tudo |
Palavras-Chave: |
Doppler ultrasonography; Estradiol benzoate; Ovarian artery. |
Thesaurus NAL: |
Sheep; Superovulation. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
Marc: |
LEADER 02876naa a2200301 a 4500 001 2116547 005 2019-12-10 008 2019 bl uuuu u00u1 u #d 024 7 $a10.1016/j.repbio.2019.11.004$2DOI 100 1 $aOLIVEIRA, M. E. F. 245 $aAre the spectral Doppler indices of ovarian arteries indicative of antral follicular development and predictive of ovulatory responses and embryo yields in superovulated ewes?.$h[electronic resource] 260 $c2019 520 $aAbstract: Nineteen ewes received 200 mg of pFSH administered in eight decreasing doses from Days 1 to 4, starting three days before CIDR® device removal. Ten ewes received an injection of 350 ?g of estradiol benzoate at CIDR® device insertion (Group E) and nine animals served as controls (Group C). B-mode and spectral Doppler ultrasonographic examinations were performed daily throughout superovulatory treatment to enumerate ovarian antral follicles and to determine ovarian blood flow indices, respectively. There were no differences (P > 0.05) in superovulatory responses between left and right ovaries/uterine horns or the two groups of animals. End-diastolic velocity (EDV) and mean velocity (Vm) values were greater (P < 0.05) on Days 1 and 2, and peak systolic velocity (SVp) was greater (P < 0.05) on Day 3 in Group C than in Group E. In Group E 15 correlations was recorded among indices (SVp, Vm, EDV, flow velocity integral-FVI, and pulsatility index-PI) and follicles numbers in different size classes on Days 1, 2 and 4, and seven correlations among indices (SVp, EDV, Vm, and vascular resistance index-RI) and superovulatory/embryo results (numbers of regressing corpora lutea, numbers/percentages of degenerated embryos and viability rates) on Days 1, 2 and 3. In Group C, there were three correlations among EDV and RI and medium-sized/large follicle numbers on Days 1 and 3, and five correlations among indices (EDV, RI and PI) and superovulatory/embryo results (numbers of luteinized unovulated follicles, degenerated embryos and unfertilized eggs) on Days 2 or 4. There was a lack of consistency in the velocimetric correlates of antral follicle numbers and superovulatory responses between the left and right side. Therefore, the usefulness of ovarian arterial indices to predict ovine superovulatory outcomes remains equivocal and requires further confirmatory studies. 650 $aSheep 650 $aSuperovulation 653 $aDoppler ultrasonography 653 $aEstradiol benzoate 653 $aOvarian artery 700 1 $aFONSECA, J. F. da 700 1 $aVICENTE, W. R. R. 700 1 $aRODRIGUES, N. N. 700 1 $aVERGANI, G. B. 700 1 $aSOUZA-FABJAN, J. M. G. 700 1 $aJAMIESON, M. 700 1 $aCRISTESCU, A. 700 1 $aMURAWSKI, M. 700 1 $aBARTLEWSKI, P. M. 773 $tReproductive Biology$gv. 19, p. 394-403, 2019.
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