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| Registros recuperados : 788 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Suínos e Aves. |
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Data corrente: |
02/10/2012 |
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Data da última atualização: |
02/10/2012 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
TAVERNARI, F. de C.; LELIS, G. R.; CARNEIRO, P. R. de O.; VIEIRA, R. A.; POLVEIRO, R. C.; LUENGAS, J. A. P.; ROSTAGNO, H. S.; ALBINO, L. F. T. |
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Afiliação: |
FERNANDO DE CASTRO TAVERNARI, CNPSA; GUILHERME RODRIGUES LELIS, UFV; PAULO ROBERTO DE OLIVEIRA CARNEIRO, UFV; RODOLFO ALVES VIEIRA, UFV; RICHARD COSTA POLVEIRO, UFV; JORGE ARMANDO PRADA LUENGAS, UFV; HORACIO SANTIAGO ROSTAGNO, UFV; LUIZ FERNANDO TEIXEIRA ALBINO, UFV. |
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Título: |
Effect of different digestible isoleucine/lysine ratios for broiler chickens |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Revista Brasileira de Zootecnia, Viçosa, MG, v. 41, n. 7, p. 1699-1705, 2012. |
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Idioma: |
Português |
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Notas: |
Projeto: 11.11.11.111. |
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Conteúdo: |
Two experiments were conducted to evaluate different digestible isoleucine/lysine ratios on diets for broiler chickens in the starter (7 to 21 days) and finishing (30 to 43 days) phases. For the tests, the experimental design was of randomized blocks with seven treatments (six different digestible isoleucine/lysine ratios and a control treatment) and eight repetitions of 25 and 20 birds (COBB males) per experimental unit in the starter and finishing phases, respectively. The diets met the requirements, except for isoleucine and lysine. To avoid excess lysine in the experimental diets, the digestible lysine content was calculated to be 87% and 89% of the recommended for the starter and finishing phases, respectively. The control treatment was adequate in lysine and isoleucine. Feed intake, weight gain, feed conversion and carcass yield in the two phases were evaluated. There was quadratic effect of different ratios on feed intake in the finishing phase and on weight gain and feed conversion rate in both phases. There was quadratic effect on breast meat yield and breast fillets in the starter phase, but there was no significant effect on carcass yield in the finishing phase. The digestible isoleucine/lysine ratio recommended for broilers in the starter phase (7 to 21 days) is 66% and for the finishing phase (30 to 43 days), it is 68%. |
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Palavras-Chave: |
Isoleucina. |
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Thesagro: |
Dieta; Frango de Corte; Lisina; Nutrição; Ração. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/67226/1/effect-of-different-digestible-isoleucine-lysine.pdf
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Marc: |
LEADER 02183naa a2200289 a 4500
001 1935230
005 2012-10-02
008 2012 bl uuuu u00u1 u #d
100 1 $aTAVERNARI, F. de C.
245 $aEffect of different digestible isoleucine/lysine ratios for broiler chickens$h[electronic resource]
260 $c2012
500 $aProjeto: 11.11.11.111.
520 $aTwo experiments were conducted to evaluate different digestible isoleucine/lysine ratios on diets for broiler chickens in the starter (7 to 21 days) and finishing (30 to 43 days) phases. For the tests, the experimental design was of randomized blocks with seven treatments (six different digestible isoleucine/lysine ratios and a control treatment) and eight repetitions of 25 and 20 birds (COBB males) per experimental unit in the starter and finishing phases, respectively. The diets met the requirements, except for isoleucine and lysine. To avoid excess lysine in the experimental diets, the digestible lysine content was calculated to be 87% and 89% of the recommended for the starter and finishing phases, respectively. The control treatment was adequate in lysine and isoleucine. Feed intake, weight gain, feed conversion and carcass yield in the two phases were evaluated. There was quadratic effect of different ratios on feed intake in the finishing phase and on weight gain and feed conversion rate in both phases. There was quadratic effect on breast meat yield and breast fillets in the starter phase, but there was no significant effect on carcass yield in the finishing phase. The digestible isoleucine/lysine ratio recommended for broilers in the starter phase (7 to 21 days) is 66% and for the finishing phase (30 to 43 days), it is 68%.
650 $aDieta
650 $aFrango de Corte
650 $aLisina
650 $aNutrição
650 $aRação
653 $aIsoleucina
700 1 $aLELIS, G. R.
700 1 $aCARNEIRO, P. R. de O.
700 1 $aVIEIRA, R. A.
700 1 $aPOLVEIRO, R. C.
700 1 $aLUENGAS, J. A. P.
700 1 $aROSTAGNO, H. S.
700 1 $aALBINO, L. F. T.
773 $tRevista Brasileira de Zootecnia, Viçosa, MG$gv. 41, n. 7, p. 1699-1705, 2012.
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Embrapa Suínos e Aves (CNPSA) |
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