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Registro Completo |
Biblioteca(s): |
Embrapa Suínos e Aves; Embrapa Unidades Centrais. |
Data corrente: |
15/05/2017 |
Data da última atualização: |
18/05/2017 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
BAINY, A. M.; SAVEGNAGO, R. P.; FREITAS, L. A. de; NUNES, B. do N.; ROSA, J. O.; LEDUR, M. C.; MUNARI, D. P. |
Afiliação: |
ADRIANE MOLARDI BAINY, UNESP; RODRIGO PELICIONI SAVEGNAGO, UNESP; LUARA AFONSO DE FREITAS, UNESP; BEATRIZ DO NASCIMENTO NUNES, UNESP; JAQUELINE OLIVEIRA ROSA, UNESP; MONICA CORREA LEDUR, CNPSA; DANÍSIO PRADO MUNARI, UNESP. |
Título: |
Estimates of genetic parameters and cluster analyses for carcass and meat quality traits in birds. |
Ano de publicação: |
2017 |
Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 52, n. 3, p. 205-213, mar. 2017. |
Idioma: |
Inglês |
Notas: |
Título em inglês: Estimativa de parâmetros genéticos e análises de agrupamento para características de carcaça e qualidade da carne em aves. |
Conteúdo: |
The objective of this work was to estimate genetic parameters for bird carcass and meat quality traits, as well as to explore the genetic patterns of the breeding values of this population using cluster analyses. Data from 1,846 birds were used to estimate the genetic parameters of production and quality traits using the multiple-trait animal model, and cluster analyses were performed. The heritability estimates ranged from 0.08±0.03 for meat pH measured 24 hours after slaughter to 0.85±0.09 for body weight. The
genetic correlations between production traits were high and positive. The genetic correlations between meat quality traits were low and were not informative due to the high standard errors (same magnitudes as those of the genetic correlations). The genetic correlations between meat production and quality traits were negative, except between production traits and meat lightness intensity. Based on breeding values (EBVs), the evaluated population can be divided into four groups through cluster analyses, and one group is suitable for selection because the birds presented EBVs above and around the average of the population, respectively, for production and quality traits. Therefore, it is possible to obtain genetic gains for production-related traits without decreasing meat quality. |
Palavras-Chave: |
Cor da carne; Correlação genética; Herdabilidade; Meat color. |
Thesaurus Nal: |
Genetic correlation; Heritability; White Leghorn. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/159880/1/Estimates-of-genetic-parameters.pdf
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Marc: |
LEADER 02309naa a2200289 a 4500 001 2069684 005 2017-05-18 008 2017 bl uuuu u00u1 u #d 100 1 $aBAINY, A. M. 245 $aEstimates of genetic parameters and cluster analyses for carcass and meat quality traits in birds.$h[electronic resource] 260 $c2017 500 $aTítulo em inglês: Estimativa de parâmetros genéticos e análises de agrupamento para características de carcaça e qualidade da carne em aves. 520 $aThe objective of this work was to estimate genetic parameters for bird carcass and meat quality traits, as well as to explore the genetic patterns of the breeding values of this population using cluster analyses. Data from 1,846 birds were used to estimate the genetic parameters of production and quality traits using the multiple-trait animal model, and cluster analyses were performed. The heritability estimates ranged from 0.08±0.03 for meat pH measured 24 hours after slaughter to 0.85±0.09 for body weight. The genetic correlations between production traits were high and positive. The genetic correlations between meat quality traits were low and were not informative due to the high standard errors (same magnitudes as those of the genetic correlations). The genetic correlations between meat production and quality traits were negative, except between production traits and meat lightness intensity. Based on breeding values (EBVs), the evaluated population can be divided into four groups through cluster analyses, and one group is suitable for selection because the birds presented EBVs above and around the average of the population, respectively, for production and quality traits. Therefore, it is possible to obtain genetic gains for production-related traits without decreasing meat quality. 650 $aGenetic correlation 650 $aHeritability 650 $aWhite Leghorn 653 $aCor da carne 653 $aCorrelação genética 653 $aHerdabilidade 653 $aMeat color 700 1 $aSAVEGNAGO, R. P. 700 1 $aFREITAS, L. A. de 700 1 $aNUNES, B. do N. 700 1 $aROSA, J. O. 700 1 $aLEDUR, M. C. 700 1 $aMUNARI, D. P. 773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 52, n. 3, p. 205-213, mar. 2017.
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Registro original: |
Embrapa Suínos e Aves (CNPSA) |
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Registros recuperados : 4 | |
3. | | BAINY, A. M.; SAVEGNAGO, R. P.; FREITAS, L. A. de; NUNES, B. do N.; ROSA, J. O.; LEDUR, M. C.; MUNARI, D. P. Estimates of genetic parameters and cluster analyses for carcass and meat quality traits in birds. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 52, n. 3, p. 205-213, mar. 2017. Título em inglês: Estimativa de parâmetros genéticos e análises de agrupamento para características de carcaça e qualidade da carne em aves.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
Biblioteca(s): Embrapa Suínos e Aves; Embrapa Unidades Centrais. |
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4. | | LEONARDI, C. E. P.; PFEIFER, L. F. M.; RUBIN, M. I. B.; SINGH, J.; MAPLETOFT, R. J.; PESSOA, G. A.; BAINY, A. M.; SILVA, C. A. M. Prostaglandin F2 promotes ovulationin prepubertal heifers. Theriogenology, Boston, v.78, p.1578-1582, 2012.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
Biblioteca(s): Embrapa Rondônia. |
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Registros recuperados : 4 | |
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