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Registro Completo |
Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia. |
Data corrente: |
21/01/2008 |
Data da última atualização: |
10/07/2008 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
ANDRADE, M. T.; MARTINS, A. E.; ALVES, E. E. A.; SILVA, P. A. P.; RAMOS, V. R.; CUSTODIO, A. R.; VALLS, J. F. M.; FÁVERO, A. P. |
Título: |
Identificação da resistência à lagarta de cartucho (Spodoptera frugiperda) em acessos de espécies silvestres do gênero Arachis. |
Ano de publicação: |
2006 |
Fonte/Imprenta: |
In: ENCONTRO DO TALENTO ESTUDANTIL DA EMBRAPA RECURSOS GENÉTICOS E BIOTECNOLOGIA, 11., 2006, Brasília, DF. Anais: resumos dos trabalhos. Brasília, DF: Embrapa Recursos Genéticos e Biotecnologia, 2006. |
Páginas: |
p. 190. |
Idioma: |
Português |
Palavras-Chave: |
Caracterização; Recursos genéticos. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/CENARGEN/28752/1/tales2006.pdf
https://www.cenargen.embrapa.br/publica/talento/tales2006.pdf
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Marc: |
LEADER 00835nam a2200217 a 4500 001 1188000 005 2008-07-10 008 2006 bl uuuu u00u1 u #d 100 1 $aANDRADE, M. T. 245 $aIdentificação da resistência à lagarta de cartucho (Spodoptera frugiperda) em acessos de espécies silvestres do gênero Arachis. 260 $aIn: ENCONTRO DO TALENTO ESTUDANTIL DA EMBRAPA RECURSOS GENÉTICOS E BIOTECNOLOGIA, 11., 2006, Brasília, DF. Anais: resumos dos trabalhos. Brasília, DF: Embrapa Recursos Genéticos e Biotecnologia$c2006 300 $ap. 190. 653 $aCaracterização 653 $aRecursos genéticos 700 1 $aMARTINS, A. E. 700 1 $aALVES, E. E. A. 700 1 $aSILVA, P. A. P. 700 1 $aRAMOS, V. R. 700 1 $aCUSTODIO, A. R. 700 1 $aVALLS, J. F. M. 700 1 $aFÁVERO, A. P.
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Embrapa Recursos Genéticos e Biotecnologia (CENARGEN) |
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![](/consulta/web/img/deny.png) | 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
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
05/02/2014 |
Data da última atualização: |
06/02/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
MONTEIRO, F. M.; MERCADANTE, M. E.; BARROS, C. M.; SATRAPA, R. A.; SILVA, J. A.; OLIVEIRA, L. Z.; SARAIVA, N. Z.; OLIVEIRA, C. S.; GARCIA, J. M. |
Afiliação: |
F. M. MONTEIRO, APTA / UNESP; M. E. MERCADANTE, APTA; C. M. BARROS, UNESP; R. A. SATRAPA, UNESP; J. A. SILVA, UNESP; L. Z. OLIVEIRA, UNESP; N. Z. SARAIVA, UNESP; CLARA SLADE OLIVEIRA, CNPGL; J. M. GARCIA, UNESP. |
Título: |
Reproductive tract development and puberty in two lines of Nellore heifers selected for postweaning weight. |
Ano de publicação: |
2013 |
Fonte/Imprenta: |
Theriogenology, v. 80, n. 1, p. 10-17, 2013. |
DOI: |
https://doi.org/10.1016/j.theriogenology.2013.02.013 |
Idioma: |
Inglês |
Conteúdo: |
The objective was to evaluate reproductive tract development (ovary and uterus) and onset of puberty in two lines of Nellore heifers (Bos indicus) selected for postweaning weight. A total of 123 heifers, including 46 from the control Nellore line (NeC) and 77 from the selection Nellore line (NeS) were used. Every 18 to 21 days from 12 to 24 months of age, average ovarian area (OVA), endometrial thickness (ETh), and diameter of the largest follicle in each ovary were evaluated (using transrectal ultrasonography), and body weight, hip height, and body condition score were measured. There were no differences between NeS and NeC heifers for ETh or OVA (P < 0.05). Genetic selection for higher postweaning weight had no negative influence on the onset of puberty, with 52% and 48% of NeC and NeS heifers, respectively, pubertal at 24 months of age (P = 0.49). Heifers that reached puberty at the end of the study were heavier (NeC, 296.9 vs. 276.7 kg; NeS, 343.5 vs. 327.9 kg; P < 0.01) and younger (NeC, 23.4 vs. 24.2 mo; NeS, 22.7 vs. 24.0 months; P < 0.01) than those that did not. Furthermore, heifers that were heavier at weaning reached puberty earlier. Pubertal heifers had a greater OVA (4.15 vs. 3.14 cm(2); P < 0.01) and ETh (12.15 vs. 9.93 mm; P < 0.01) than nonpubertal heifers. Taken together, OVA and ETh had positive effects (P < 0.01) on the onset of puberty and were suitable indicator traits of heifer sexual precocity in pasture management systems. However, selection for weight did not alter ovarian or endometrial development, or manifestation of puberty at 24 months of age. Among the growth traits studied, weaning weight and weight at puberty had significant positive effects on manifestation of first estrus. MenosThe objective was to evaluate reproductive tract development (ovary and uterus) and onset of puberty in two lines of Nellore heifers (Bos indicus) selected for postweaning weight. A total of 123 heifers, including 46 from the control Nellore line (NeC) and 77 from the selection Nellore line (NeS) were used. Every 18 to 21 days from 12 to 24 months of age, average ovarian area (OVA), endometrial thickness (ETh), and diameter of the largest follicle in each ovary were evaluated (using transrectal ultrasonography), and body weight, hip height, and body condition score were measured. There were no differences between NeS and NeC heifers for ETh or OVA (P < 0.05). Genetic selection for higher postweaning weight had no negative influence on the onset of puberty, with 52% and 48% of NeC and NeS heifers, respectively, pubertal at 24 months of age (P = 0.49). Heifers that reached puberty at the end of the study were heavier (NeC, 296.9 vs. 276.7 kg; NeS, 343.5 vs. 327.9 kg; P < 0.01) and younger (NeC, 23.4 vs. 24.2 mo; NeS, 22.7 vs. 24.0 months; P < 0.01) than those that did not. Furthermore, heifers that were heavier at weaning reached puberty earlier. Pubertal heifers had a greater OVA (4.15 vs. 3.14 cm(2); P < 0.01) and ETh (12.15 vs. 9.93 mm; P < 0.01) than nonpubertal heifers. Taken together, OVA and ETh had positive effects (P < 0.01) on the onset of puberty and were suitable indicator traits of heifer sexual precocity in pasture management systems. However, selection for weigh... Mostrar Tudo |
Palavras-Chave: |
Beef heifers; Endometrial thickness; Ovary; Ultrasound. |
Thesagro: |
Bos Indicus. |
Thesaurus NAL: |
puberty. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
Marc: |
LEADER 02639naa a2200301 a 4500 001 1978738 005 2024-02-06 008 2013 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1016/j.theriogenology.2013.02.013$2DOI 100 1 $aMONTEIRO, F. M. 245 $aReproductive tract development and puberty in two lines of Nellore heifers selected for postweaning weight.$h[electronic resource] 260 $c2013 520 $aThe objective was to evaluate reproductive tract development (ovary and uterus) and onset of puberty in two lines of Nellore heifers (Bos indicus) selected for postweaning weight. A total of 123 heifers, including 46 from the control Nellore line (NeC) and 77 from the selection Nellore line (NeS) were used. Every 18 to 21 days from 12 to 24 months of age, average ovarian area (OVA), endometrial thickness (ETh), and diameter of the largest follicle in each ovary were evaluated (using transrectal ultrasonography), and body weight, hip height, and body condition score were measured. There were no differences between NeS and NeC heifers for ETh or OVA (P < 0.05). Genetic selection for higher postweaning weight had no negative influence on the onset of puberty, with 52% and 48% of NeC and NeS heifers, respectively, pubertal at 24 months of age (P = 0.49). Heifers that reached puberty at the end of the study were heavier (NeC, 296.9 vs. 276.7 kg; NeS, 343.5 vs. 327.9 kg; P < 0.01) and younger (NeC, 23.4 vs. 24.2 mo; NeS, 22.7 vs. 24.0 months; P < 0.01) than those that did not. Furthermore, heifers that were heavier at weaning reached puberty earlier. Pubertal heifers had a greater OVA (4.15 vs. 3.14 cm(2); P < 0.01) and ETh (12.15 vs. 9.93 mm; P < 0.01) than nonpubertal heifers. Taken together, OVA and ETh had positive effects (P < 0.01) on the onset of puberty and were suitable indicator traits of heifer sexual precocity in pasture management systems. However, selection for weight did not alter ovarian or endometrial development, or manifestation of puberty at 24 months of age. Among the growth traits studied, weaning weight and weight at puberty had significant positive effects on manifestation of first estrus. 650 $apuberty 650 $aBos Indicus 653 $aBeef heifers 653 $aEndometrial thickness 653 $aOvary 653 $aUltrasound 700 1 $aMERCADANTE, M. E. 700 1 $aBARROS, C. M. 700 1 $aSATRAPA, R. A. 700 1 $aSILVA, J. A. 700 1 $aOLIVEIRA, L. Z. 700 1 $aSARAIVA, N. Z. 700 1 $aOLIVEIRA, C. S. 700 1 $aGARCIA, J. M. 773 $tTheriogenology$gv. 80, n. 1, p. 10-17, 2013.
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