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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Corte; Embrapa Pecuária Sudeste. |
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Data corrente: |
22/02/2017 |
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Data da última atualização: |
20/02/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
NASCIMENTO, M. L.; SOUZA, A. R. D. L.; CHAVES, A. S.; CESAR, A. S. M.; TULLIO, R. R.; MEDEIROS, S. R. de; MOURÃO, G. B.; ROSA, A. do N.; FEIJO, G. L. D.; ALENCAR, M. M. de; LANNA, D. P. D. |
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Afiliação: |
ESALQ; ESALQ; ESALQ; ESALQ; RYMER RAMIZ TULLIO, CPPSE; SERGIO RAPOSO DE MEDEIROS, CNPGC; ESALQ; ANTONIO DO NASCIMENTO FERREIRA ROSA, CNPGC; GELSON LUIS DIAS FEIJO, CNPGC; MAURICIO MELLO DE ALENCAR, CPPSE; ESALQ. |
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Título: |
Feed efficiency indexes and their relationships with carcass, non-carcass and meat quality traits in Nellore steers. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Meat Science, v. 116, p. 78-85, June, 2016. |
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Idioma: |
Inglês |
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Conteúdo: |
Five hundred and seventy-five Nellore steers were evaluated for residual feed intake and residual feed intake and gain and their relationships between carcass, non-carcass and meat quality traits. RFI was measured by the difference between observed and predicted dry matter intake and RIG was obtained by the sum of − 1*RFI and residual gain. Efficient and inefficient animals were classified adopting ± 0.5 standard deviations from RFI and RIG mean. A mixed model was used including RFI or RIG and contemporary group as fixed effects, initial age as covariate and sire and experimental period as random effects, testing the significance of the regression slope for each evaluated trait. RIG was positively related to longissimus muscle area. Efficient-RFI animals had lower liver and internal fat proportions compared to inefficient-RFI animals. Efficient-RFI and efficient-RIG animals had 11.8% and 11.2% lower extracted intramuscular fat, compared to inefficient-RFI and inefficient-RIG animals, respectively. Efficient-RFI animals had tougher meat compared to inefficient-RFI animals. |
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Palavras-Chave: |
Feed efficiency; Internal fat; Nellore steers; Visceral organs. |
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Thesagro: |
Bos indicus; Gado zebu. |
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Thesaurus Nal: |
Beef cattle; Feed conversion; meat quality; Meat tenderness; Zebu. |
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Categoria do assunto: |
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L Ciência Animal e Produtos de Origem Animal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/157158/1/Feed-efficiency-indexes.pdf
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Marc: |
LEADER 02147naa a2200373 a 4500
001 2066238
005 2018-02-20
008 2016 bl uuuu u00u1 u #d
100 1 $aNASCIMENTO, M. L.
245 $aFeed efficiency indexes and their relationships with carcass, non-carcass and meat quality traits in Nellore steers.$h[electronic resource]
260 $c2016
520 $aFive hundred and seventy-five Nellore steers were evaluated for residual feed intake and residual feed intake and gain and their relationships between carcass, non-carcass and meat quality traits. RFI was measured by the difference between observed and predicted dry matter intake and RIG was obtained by the sum of − 1*RFI and residual gain. Efficient and inefficient animals were classified adopting ± 0.5 standard deviations from RFI and RIG mean. A mixed model was used including RFI or RIG and contemporary group as fixed effects, initial age as covariate and sire and experimental period as random effects, testing the significance of the regression slope for each evaluated trait. RIG was positively related to longissimus muscle area. Efficient-RFI animals had lower liver and internal fat proportions compared to inefficient-RFI animals. Efficient-RFI and efficient-RIG animals had 11.8% and 11.2% lower extracted intramuscular fat, compared to inefficient-RFI and inefficient-RIG animals, respectively. Efficient-RFI animals had tougher meat compared to inefficient-RFI animals.
650 $aBeef cattle
650 $aFeed conversion
650 $ameat quality
650 $aMeat tenderness
650 $aZebu
650 $aBos indicus
650 $aGado zebu
653 $aFeed efficiency
653 $aInternal fat
653 $aNellore steers
653 $aVisceral organs
700 1 $aSOUZA, A. R. D. L.
700 1 $aCHAVES, A. S.
700 1 $aCESAR, A. S. M.
700 1 $aTULLIO, R. R.
700 1 $aMEDEIROS, S. R. de
700 1 $aMOURÃO, G. B.
700 1 $aROSA, A. do N.
700 1 $aFEIJO, G. L. D.
700 1 $aALENCAR, M. M. de
700 1 $aLANNA, D. P. D.
773 $tMeat Science$gv. 116, p. 78-85, June, 2016.
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Registro original: |
Embrapa Gado de Corte (CNPGC) |
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| 1. |  | FERREIRA, L. P.; PLENER, L.; MARRACCINI, P.; PEREIRA, L. F. P.; VIEIRA, L. G. E.; POT, D. Identificação e caracterização molecular de genes envolvidos no metabolismo de diterpenos específicos do cafeeiro. In: SIMPÓSIO DE PESQUISA DOS CAFÉS DO BRASIL, 5., 2007, Águas de Lindóia, SP. Anais... Brasília, DF: Embrapa Café, 2007. Biotecnologia aplicada à cadeia agroindustrial do café.| Tipo: Artigo em Anais de Congresso / Nota Técnica | Circulação/Nível: -- - -- |
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