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Registro Completo |
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Biblioteca(s): |
Embrapa Roraima. |
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Data corrente: |
13/03/2009 |
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Data da última atualização: |
25/10/2018 |
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Autoria: |
IDE, F.; SOUZA, JÚNIOR, C. L.; ZINSLY, R. J. |
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Título: |
Heterose dos caracteres da espiga em cruzamentos dialéticos entre seis variedades de milho braquítico. |
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Ano de publicação: |
1982 |
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Fonte/Imprenta: |
Heterose dos caracteres da espiga em cruzamentos dialéticos entre seis variedades de milho braquítico, 1982. |
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Idioma: |
Português |
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Thesagro: |
Milho. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00483nam a2200133 a 4500
001 1694959
005 2018-10-25
008 1982 bl uuuu u0uu1 u #d
100 1 $aIDE, F.
245 $aHeterose dos caracteres da espiga em cruzamentos dialéticos entre seis variedades de milho braquítico.
260 $aHeterose dos caracteres da espiga em cruzamentos dialéticos entre seis variedades de milho braquítico$c1982
650 $aMilho
700 1 $aSOUZA, JÚNIOR, C. L.
700 1 $aZINSLY, R. J.
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Registro original: |
Embrapa Roraima (CPAF-RR) |
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
07/03/2013 |
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Data da última atualização: |
07/03/2013 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
SILVA, S. da L. e; TAROUCO, J. U.; FERRAZ, J. B. S.; GOMES, R. da C.; LEME, P. R.; NAVAJAS, E. A. |
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Afiliação: |
Saulo da Luz e Silva, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo; Jaime Urdapilleta Tarouco, Faculdade de Agronomia, Universidade Federal do Rio Grande do Sul; José Bento Sterman Ferraz, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo; RODRIGO DA COSTA GOMES, CNPGC; Paulo Roberto Leme, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo; Elly Ana Navajas, Sustainable Livestock Systems Group, Scottish Agricultural College- Scotland, UK/Instituto Nacional de Investigación Agropecuaria, Montevideo, Uruguay. |
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Título: |
Prediction of retail beef yield, trim fat and proportion of high-valued cuts in Nellore cattle using ultrasound live measurements. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Revista Brasileira de Zootecnia, v.41, n.9, p.2025-2031, 2012. |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this study was to develop equations to predict retail product and fat trim (weights and percentages) for Nellore (Bos indicus) cattle. Live ultrasound measurements of the longissimus muscle area, backfat thickness at the 12th rib and rump fat depth and shrunk body weight were obtained from 218 Nellore steers to predict weights and percentages of carcass retail product, pistola retail product and fat trimmings. After slaughter, carcasses were deboned and weighed and percentages of retail cuts were obtained directly. Measurements taken directly in the carcasses explained 97% and 36% of variation in carcass retail product weight and percentage, and 94% and 36% of variation in pistola retail weight and percentage, respectively. Live measurements explained 93% of carcass retail product weight and 39% of carcass retail product percentage. Lower accuracies were observed for pistola retail product weight (R2=0.87) and percentage (R2=0.33). Accuracies for fat trimmings weight and percentage were 79% and 55%, respectively. Ultrasound rump fat thickness showed greater correlations with retail product and fat trimmings (weights and percentages) when compared with ultrasound backfat thickness. The weight and percentage of retail products and of trimmable fat can be estimated in Nellore steers from live animal measurements, with similar accuracy to equations developed based on carcass measurements obtained at slaughter. |
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Palavras-Chave: |
Bovino de corte; Ultra-som. |
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Thesagro: |
Gordura; Peso. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/78211/1/0000007017-Silva-et-al-2012-RBZ.pdf
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Marc: |
LEADER 02147naa a2200229 a 4500
001 1952388
005 2013-03-07
008 2012 bl uuuu u00u1 u #d
100 1 $aSILVA, S. da L. e
245 $aPrediction of retail beef yield, trim fat and proportion of high-valued cuts in Nellore cattle using ultrasound live measurements.$h[electronic resource]
260 $c2012
520 $aThe objective of this study was to develop equations to predict retail product and fat trim (weights and percentages) for Nellore (Bos indicus) cattle. Live ultrasound measurements of the longissimus muscle area, backfat thickness at the 12th rib and rump fat depth and shrunk body weight were obtained from 218 Nellore steers to predict weights and percentages of carcass retail product, pistola retail product and fat trimmings. After slaughter, carcasses were deboned and weighed and percentages of retail cuts were obtained directly. Measurements taken directly in the carcasses explained 97% and 36% of variation in carcass retail product weight and percentage, and 94% and 36% of variation in pistola retail weight and percentage, respectively. Live measurements explained 93% of carcass retail product weight and 39% of carcass retail product percentage. Lower accuracies were observed for pistola retail product weight (R2=0.87) and percentage (R2=0.33). Accuracies for fat trimmings weight and percentage were 79% and 55%, respectively. Ultrasound rump fat thickness showed greater correlations with retail product and fat trimmings (weights and percentages) when compared with ultrasound backfat thickness. The weight and percentage of retail products and of trimmable fat can be estimated in Nellore steers from live animal measurements, with similar accuracy to equations developed based on carcass measurements obtained at slaughter.
650 $aGordura
650 $aPeso
653 $aBovino de corte
653 $aUltra-som
700 1 $aTAROUCO, J. U.
700 1 $aFERRAZ, J. B. S.
700 1 $aGOMES, R. da C.
700 1 $aLEME, P. R.
700 1 $aNAVAJAS, E. A.
773 $tRevista Brasileira de Zootecnia$gv.41, n.9, p.2025-2031, 2012.
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Embrapa Gado de Corte (CNPGC) |
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