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| Registros recuperados : 3 | |
| 3. |  | TAHERI, S.; AMES, S.; ROY, V.; DECAËNS, T.; WILLIAMS, B. W.; ANDERSON, F.; ROUGERIE, R.; CHANG, C.-H.; BROWN, G. G.; CUNHA, L.; STANTON, D. W. G.; SILVA, E. da; CHEN, J-H.; LEMMON, A. R.; LEMMON, E. M.; BARTZ, M.; BARETTA, D.; BAROIS, I.; LAPIED, E.; COULIS, M.; DUPONT, L. Complex taxonomy of the "brush tail" peregrine earthworm Pontoscolex corethrurus. Molecular Phylogenetics and Evolution, v. 124, p. 60-70, July 2018.| Biblioteca(s): Embrapa Florestas. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Leite. Para informações adicionais entre em contato com cnpgl.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Caprinos e Ovinos; Embrapa Gado de Leite; Embrapa Pecuária Sudeste. |
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Data corrente: |
15/01/2024 |
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Data da última atualização: |
06/03/2024 |
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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: |
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. |
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Afiliação: |
JOEDSON DANTAS GONÇALVES, São Paulo State University; GABRIEL BRUN VERGANI, São Paulo State University; JULIANA NASCIMENTO DUARTE RODRIGUES, Federal University of Viçosa; JENNIFFER HAUSCHILDT DIAS, Federal University of Viçosa; VERONICA SCHINAIDER DO A PEREIRA, CNPGL; ALEXANDRE ROSSETTO GARCIA, CPPSE; SERGIO NOVITA ESTEVES, CPPSE; JEFERSON FERREIRA DA FONSECA, CNPC; MARIA EMILIA FRANCO OLIVEIRA, São Paulo State University. |
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Título: |
Luteal tissue characteristics of Morada Nova ewes with hCG application 7.5 days after the end of estrus synchronization protocol in the breeding season. |
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Ano de publicação: |
2024 |
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Fonte/Imprenta: |
Animal Reproduction Science, v. 261, 107396, Feb. 2024. |
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DOI: |
https://doi.org/10.1016/j.anireprosci.2023.107396 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Results with the use of hCG after synchronization protocol are still inconsistent, which may vary according to breed, season, day of application and dose of the drug used. The aim of the present study was to evaluate the functionality of luteal tissue and ovarian perfusion after hCG treatment during early luteal phase. Estrus-synchronized ewes were randomly assigned to receive i.m. injection of 300 IU of hCG (G-hCG; n = 40) or 1 mL of saline (G-Control; n = 32) on Day 7.5 after progesterone withdrawal. Ultrasonographic evaluations of the ovaries and ovarian and iliac arteries were performed on Days 7.5, 10.5, 13.5, and 21.5. The accessory corpus luteum (aCL) formation rate was 52.5% for G-hCG. There was interaction (p > 0.05) for treatment (G-hCG and G-Control), days (7.5, 10.5, 13.5 and 21.5) and PD (Pregnant and Non-pregnant) for the variables of biometric characteristics of the corpus luteum B-Mode and Color Doppler on days 7.5, 10.5, 13.5 and 21.5. There was no difference (p > 0.05) for pregnancy rates and mean fetuses per ewe between the treatment groups. It is concluded that the application of hCG 7.5 days after the hormonal protocol in Morada Nova ewes in a breeding season is efficient in inducing aCL formation and increasing luteal tissue biometry. However, there was no effect on pregnancy rate. |
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Palavras-Chave: |
Accessory corpora lutea; Arterial velocimetric indices; HCG; Luteal color Doppler signs; Non-breeding; Ovarian ultrasound. |
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Thesaurus NAL: |
Breeding; Chorionic gonadotropins; Estrus synchronization; Ewes; Females; Males; Pharmacology; Pregnancy rate; Progesterone; Reproduction; Reproductive efficiency; Seasons; Sheep. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02717naa a2200457 a 4500
001 2160892
005 2024-03-06
008 2024 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.anireprosci.2023.107396$2DOI
100 1 $aGONÇALVES, J. D.
245 $aLuteal tissue characteristics of Morada Nova ewes with hCG application 7.5 days after the end of estrus synchronization protocol in the breeding season.$h[electronic resource]
260 $c2024
520 $aAbstract: Results with the use of hCG after synchronization protocol are still inconsistent, which may vary according to breed, season, day of application and dose of the drug used. The aim of the present study was to evaluate the functionality of luteal tissue and ovarian perfusion after hCG treatment during early luteal phase. Estrus-synchronized ewes were randomly assigned to receive i.m. injection of 300 IU of hCG (G-hCG; n = 40) or 1 mL of saline (G-Control; n = 32) on Day 7.5 after progesterone withdrawal. Ultrasonographic evaluations of the ovaries and ovarian and iliac arteries were performed on Days 7.5, 10.5, 13.5, and 21.5. The accessory corpus luteum (aCL) formation rate was 52.5% for G-hCG. There was interaction (p > 0.05) for treatment (G-hCG and G-Control), days (7.5, 10.5, 13.5 and 21.5) and PD (Pregnant and Non-pregnant) for the variables of biometric characteristics of the corpus luteum B-Mode and Color Doppler on days 7.5, 10.5, 13.5 and 21.5. There was no difference (p > 0.05) for pregnancy rates and mean fetuses per ewe between the treatment groups. It is concluded that the application of hCG 7.5 days after the hormonal protocol in Morada Nova ewes in a breeding season is efficient in inducing aCL formation and increasing luteal tissue biometry. However, there was no effect on pregnancy rate.
650 $aBreeding
650 $aChorionic gonadotropins
650 $aEstrus synchronization
650 $aEwes
650 $aFemales
650 $aMales
650 $aPharmacology
650 $aPregnancy rate
650 $aProgesterone
650 $aReproduction
650 $aReproductive efficiency
650 $aSeasons
650 $aSheep
653 $aAccessory corpora lutea
653 $aArterial velocimetric indices
653 $aHCG
653 $aLuteal color Doppler signs
653 $aNon-breeding
653 $aOvarian ultrasound
700 1 $aVERGANI, G. B.
700 1 $aRODRIGUES, J. N. D.
700 1 $aDIAS, J. H.
700 1 $aPEREIRA, V. S. do A.
700 1 $aGARCIA, A. R.
700 1 $aESTEVES, S. N.
700 1 $aFONSECA, J. F. da
700 1 $aOLIVEIRA, M. E. F.
773 $tAnimal Reproduction Science$gv. 261, 107396, Feb. 2024.
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