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| Registros recuperados : 47 | |
| 3. |  | SOUZA, I.; SOARES, J.; VENTURA, R.; PEIXOTO, R.; SANTO, I. P.; BAVAY, C.; LUZ, L. DIPUC - Diagnóstico participativo de unidades de conservação. In: CONGRESSO BRASILEIRO DE UNIDADES DE CONSERVAÇÃO, 3., 2002, Fortaleza. Anais. Fortaleza: Rede Nacional Pró-Unidades de Conservação: Fundação O Boticário de Proteção à Natureza, 2002. p. 3-12. Trabalhos técnicos.| Biblioteca(s): Embrapa Florestas. |
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| 5. | | NASCIMENTO, G. B.; VENTURA, R. V.; LEDUR, M. C.; SAVEGNAGO, R. P.; SENO, L. de O.; MUNARI, D. P. Inbreeding effect and genotyping strategies for genomic selection in simulated data. In: INTERNATIONAL SYMPOSIUM ON ANIMAL FUNCTIONAL GENOMICS, 5., 2013, Guarujá. Programme and abstract book... [S.l.: s.n.], 2013. p. 41. ISAFG 2013. AB 34.| Biblioteca(s): Embrapa Suínos e Aves. |
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| 7. | | CARRARA, E. R.; LOPES, P. S.; PEREZ, B. C.; VENTURA, R. V.; JOSAHKIAN, L. A.; PEIXOTO, M. G. C. D. Inbreeding and its effects on milk, growth, and reproductive traits in Guzerá cattle clustered by genetic similarity. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 56., 2021, Florianópolis. Animal science: challenges in production and sustainability: proceedings... Brasília, DF: Sociedade Brasileira de Zootecnia, 2021. p. 336. Evento virtual.| Biblioteca(s): Embrapa Gado de Leite. |
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| 10. | | CHUD, T. C. S.; VENTURA, R. V.; SCHENKEL. F. S.; URBINATI, I.; CARVALHEIRO, R.; REGITANO, L. C. de A.; MARCONDES, C. R.; MINARI, D. P. Accuracy of genotype imputation in Canchim cattle using FImpute and Beagle software., In: INTERNATIONAL SYMPOSIUM ON ANIMAL FUNCTIONAL GENOMICS, 5., 2013, Guarujá. Abstract... Guarujá:[ s.n.], 2013. AB.20.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 11. | | BUZANSKAS, M. E.; GROSSI, D. A.; SCHENKEL, D. A.; VENTURA, R.; REGITANO, L. C. de A.; ALENCAR, M. M. de; MUNARI, D. P. Linkage disequilibrium analysis in Canchim beef cattle. In: ANNUAL MEETING BRAZILIAN SOCIETY OF ANIMAL SCIENCE, 50., 2013, Campinas. The integration of Knowledge in animal production - Abstracts. Campinas: SBZ, 2013. 1 CD-ROM| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 12. | | VENTURA, R. M.; TAKATA, C. S. A.; SILVA, R. A. M. S.; NUNES, V. L.; TAKEDA, G. F.; TEIXEIRA, M. M. G. Molecular and morphological studies of Brazilian Trypanosoma evansi stocks: the total absence of kDNA in Trypanosomes from both laboratory stocks and naturally infected domestic and wild mammals. Journal of Parasitology, v.86, n.6, p.1289-1298, Dec. 2000.| Biblioteca(s): Embrapa Pantanal. |
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| 13. | | BUZANSKAS, M. E.; VENTURA, R. V.; REGITANO, L. C. de A.; SCHENKEL, F. S.; ALENCAR, M. M. de; MUNARI, D. P. Estudo de associações genômicas para idade ao primeiro e segundo parto em bovinos da raça Canchim. In: SIMPÓSIO BRASILEIRO DE MELHORAMENTO ANIMAL, 10., 2013, Uberaba. Anais... Belo Horizonte: SBMA, 2013. 3 p.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 14. | | BUZANSKAS, M. E.; GROSSI, D. A.; SCHENKEL, D. A.; VENTURA, R.; REGITANO, L. C. de A.; ALENCAR, M. M. de; MUNARI, D. P. Genome wide association analysis for birth and weaning weight in Canchim beef cattle. In: ANNUAL MEETING BRAZILIAN SOCIETY OF ANIMAL SCIENCE, 50., 2013, Campinas. The integration of Knowledge in animal production - Abstracts. Campinas: SBZ, 2013. 1 CD-ROM| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 15. | | OLIVEIRA JUNIOR, G. A.; VENTURA, R.; FREITAS, B. G. de; SANTANA, M. H. A.; SILVA, M. V. G. B.; FERRAZ, J. B. S.; GARRICK, D. J. Genome-wide association study in reproductive trait of Nellore heifers. In: PLANT & ANIMAL GENOME, 24., 2016, San Diego. [Proceedings...] San Diego: [s.n.], 2016.| Biblioteca(s): Embrapa Gado de Leite. |
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| 16. | | VIZONA, R. G.; PEREZ, B. da C.; PEIXOTO, M. G. C. D.; VIANA, J. H. M.; VENTURA, R. V.; VERCESI FILHO, A. E.; BALIEIRO, J. C. de C. Genetic analysis of in-vitro embryo production traits in Dairy Gir cattle. Theriogenology, v. 148, p. 149-161, 2020.| Biblioteca(s): Embrapa Gado de Leite; Embrapa Recursos Genéticos e Biotecnologia. |
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| 18. | | SIMONELLI, S. M.; SILVA, M. A.; SILVA, L. O. C. da; PEREIRA, J. C. C.; SOUZA, J. E. R.; VENTURA, R. V.; VALENTE, B. D. Critérios de seleção para características de crescimento em bovinos da raça Nelore. Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Belo Horizonte, v. 56, n. 3, p. 374-384, jun. 2004. Título em inglês: Selection criteria for growth traits in Nellore cattle.| Biblioteca(s): Embrapa Gado de Corte. |
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| 19. | | VENTURA, H. T.; SILVA, F. F e; VARONA, L.; FIGUEIREDO, E. A. P. de; COSTA, E. V.; SILVA, L. P. da; VENTURA. R.; LOPES, P. S. Comparing multi-trait Poisson and Gaussian Bayesian models for genetic evaluation of litter traits in pigs. Livestock Science, v. 176, p. 47-53, 2015.| Biblioteca(s): Embrapa Suínos e Aves. |
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| 20. | | FREITAS, L. S.; SILVA, M. A.; VERNEQUE, R. da S.; SANTOS, G. G.; CORRÊA, G. S.; VALENTE, B. D.; PEIXOTO, M. G. C. D.; VENTURA, R. V. Comparação de modelos de regressão aleatória, para avaliação genética da produção de leite no dia do controle de vacas Guzerá. In: SIMPÓSIO BRASILEIRO DE MELHORAMENTO ANIMAL, 7., 2008, São Carlos. Anais... São Carlos: SBMA, 2008.| Biblioteca(s): Embrapa Gado de Leite. |
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| Registros recuperados : 47 | |
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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 Gado de Leite. |
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Data corrente: |
10/07/2017 |
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Data da última atualização: |
27/01/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
PEREZ, B. C.; BALIEIRO, J. C. C.; VENTURA, R. V.; BRUNELI, F. A. T.; PEIXOTO, M. G. C. D. |
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Afiliação: |
B. C. PEREZ; J. C. C. BALIEIRO; R. V. VENTURA; FRANK ANGELO TOMITA BRUNELI, CNPGL; MARIA GABRIELA CAMPOLINA D PEIXOTO, CNPGL. |
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Título: |
Inbreeding effects on in vitro embryo production traits in Guzerá cattle. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Animal, 2017. |
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Páginas: |
8 p. |
|
DOI: |
10.1017/S1751731117000854 |
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Idioma: |
Inglês |
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Conteúdo: |
Inbreeding has been associated with the impairment of reproductive performance in many cattle breeds. Although the usage of reproductive biotechnologies has been increasing in bovine populations, not much attention has been given to the impact of inbreeding over cow?s performance on artificial reproduction. The objective of this study was to estimate the impact of inbreeding on in vitro embryo production in a Guzerá breed population. The inbreeding coefficient (F), calculated as half of the co-ancestry of the individual?s parents, was used as an estimate of inbreeding. The inbreeding coefficients of the donor, sire (used on in vitro fertilization) and of the embryos were included, separately, in the proposed models either as classificatory or continuous variables (linear and quadratic effects). The percentage of non-inbred individuals (or embryos) and mean F of donors, embryos and sires were 29.38%; 35.76%; 42.86% and 1.98±2.68; 1.32±3.13; 2.08±2.79, respectively. Two different models were considered, one for oocyte production traits and other for embryo production traits. The increase of F of the donor significantly (P<0.05) impaired the number of viable oocytes (N OV), number of grade I oocytes (N GI) and number of cleaved embryos (N CLV). Moreover, the donor?s F influenced the percentage of grade I oocytes (P GI), percentage of viable embryos (P EMB) and percentage of cleaved embryos that turned into embryos (P CXE). No significant (P>0.05) effects were observed for the sire (father of the embryos) inbreeding coefficient over the traits analysed. Embryo?s F influenced (P<0.05) the number of viable embryos (N EMB), percentage of viable embryos (P EMB) and percentage of cleaved embryos that turn into embryos (P CXE). Results suggested that an increase in the inbreeding coefficient might impair the embryos ability to survive through challenges imposed by the in vitro environment. Submitting highly inbred Guzerá female donors to in vitro embryo production may, in the long-term, have negative implications on the number of embryos obtained per cow and increase the relative costs of the improvement programmes based on this technology. High levels of inbreeding should be avoided when selecting Guzerá female donors and planning in vitro fertilization mating. MenosInbreeding has been associated with the impairment of reproductive performance in many cattle breeds. Although the usage of reproductive biotechnologies has been increasing in bovine populations, not much attention has been given to the impact of inbreeding over cow?s performance on artificial reproduction. The objective of this study was to estimate the impact of inbreeding on in vitro embryo production in a Guzerá breed population. The inbreeding coefficient (F), calculated as half of the co-ancestry of the individual?s parents, was used as an estimate of inbreeding. The inbreeding coefficients of the donor, sire (used on in vitro fertilization) and of the embryos were included, separately, in the proposed models either as classificatory or continuous variables (linear and quadratic effects). The percentage of non-inbred individuals (or embryos) and mean F of donors, embryos and sires were 29.38%; 35.76%; 42.86% and 1.98±2.68; 1.32±3.13; 2.08±2.79, respectively. Two different models were considered, one for oocyte production traits and other for embryo production traits. The increase of F of the donor significantly (P<0.05) impaired the number of viable oocytes (N OV), number of grade I oocytes (N GI) and number of cleaved embryos (N CLV). Moreover, the donor?s F influenced the percentage of grade I oocytes (P GI), percentage of viable embryos (P EMB) and percentage of cleaved embryos that turned into embryos (P CXE). No significant (P>0.05) effects were observed for the s... Mostrar Tudo |
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Palavras-Chave: |
Bovine artificial reproduction; Ovum pick-up; Zebu cattle. |
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Thesaurus NAL: |
in vitro fertilization; inbreeding depression. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
|
Marc: |
LEADER 03023naa a2200253 a 4500
001 2072429
005 2023-01-27
008 2017 bl uuuu u00u1 u #d
024 7 $a10.1017/S1751731117000854$2DOI
100 1 $aPEREZ, B. C.
245 $aInbreeding effects on in vitro embryo production traits in Guzerá cattle.$h[electronic resource]
260 $c2017
300 $a8 p.
520 $aInbreeding has been associated with the impairment of reproductive performance in many cattle breeds. Although the usage of reproductive biotechnologies has been increasing in bovine populations, not much attention has been given to the impact of inbreeding over cow?s performance on artificial reproduction. The objective of this study was to estimate the impact of inbreeding on in vitro embryo production in a Guzerá breed population. The inbreeding coefficient (F), calculated as half of the co-ancestry of the individual?s parents, was used as an estimate of inbreeding. The inbreeding coefficients of the donor, sire (used on in vitro fertilization) and of the embryos were included, separately, in the proposed models either as classificatory or continuous variables (linear and quadratic effects). The percentage of non-inbred individuals (or embryos) and mean F of donors, embryos and sires were 29.38%; 35.76%; 42.86% and 1.98±2.68; 1.32±3.13; 2.08±2.79, respectively. Two different models were considered, one for oocyte production traits and other for embryo production traits. The increase of F of the donor significantly (P<0.05) impaired the number of viable oocytes (N OV), number of grade I oocytes (N GI) and number of cleaved embryos (N CLV). Moreover, the donor?s F influenced the percentage of grade I oocytes (P GI), percentage of viable embryos (P EMB) and percentage of cleaved embryos that turned into embryos (P CXE). No significant (P>0.05) effects were observed for the sire (father of the embryos) inbreeding coefficient over the traits analysed. Embryo?s F influenced (P<0.05) the number of viable embryos (N EMB), percentage of viable embryos (P EMB) and percentage of cleaved embryos that turn into embryos (P CXE). Results suggested that an increase in the inbreeding coefficient might impair the embryos ability to survive through challenges imposed by the in vitro environment. Submitting highly inbred Guzerá female donors to in vitro embryo production may, in the long-term, have negative implications on the number of embryos obtained per cow and increase the relative costs of the improvement programmes based on this technology. High levels of inbreeding should be avoided when selecting Guzerá female donors and planning in vitro fertilization mating.
650 $ain vitro fertilization
650 $ainbreeding depression
653 $aBovine artificial reproduction
653 $aOvum pick-up
653 $aZebu cattle
700 1 $aBALIEIRO, J. C. C.
700 1 $aVENTURA, R. V.
700 1 $aBRUNELI, F. A. T.
700 1 $aPEIXOTO, M. G. C. D.
773 $tAnimal, 2017.
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