| Registro completo |
| Provedor de dados: |
Animal Sciences
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| País: |
Brazil
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| Título: |
Digestible isoleucine requirements for 22- and 42-day-old broilers
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| Autores: |
Duarte, Karina Ferreira
Junqueira, Otto Mack
Filardi, Rosemeire da Silva
Laurentiz, Antonio Carlos de
Domingues, Carla Heloisa de Faria
Rodrigues, Eliana Aparecida
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| Data: |
2015-02-06
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| Ano: |
2015
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| Palavras-chave: |
Digestible amino acids
Ideal protein
Performance
Regression analyses
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| Resumo: |
Current experiment established different criteria to evaluate the requirements of digestible isoleucine for 22- and 42-day-old broilers by different regression models (quadratic, exponential and Linear Response Plateau) and, in the case of statistical significance, the comparison of means by Duncan’s test at 5% probability. A total of 1,920 Cobb 500 male broilers were used in an entirely randomized experimental design, with 6 treatments (6 digestible isoleucine levels: 0.6118; 0.6655; 0.7192; 0.7729; 0.8265 and 0.8802%) and 8 replications, with 40 broilers each. Data on performance and carcass characteristics were evaluated. Level 0.7192% of digestible isoleucine was considered standard. The digestible isoleucine level recommended for 22- and 42-day-old broilers is 0.7729%, corresponding to a digestible isoleucine:lysine ratio of 72%.
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| Tipo: |
Info:eu-repo/semantics/article
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| Idioma: |
Inglês
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| Identificador: |
http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/24473
10.4025/actascianimsci.v37i1.24473
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| Editor: |
Editora da Universidade Estadual de Maringá
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| Relação: |
http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/24473/pdf_66
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| Formato: |
application/pdf
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| Fonte: |
Acta Scientiarum. Animal Sciences; v. 37, n. 1 (2015); 23-28
Acta Scientiarum. Animal Sciences; v. 37, n. 1 (2015); 23-28
1807-8672
1806-2636
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