Lysine requirement of growing-finishing pigs, fed low protein diets, formulated according to ideal protein concept - DOI: 10.4025/actascianimsci.v26i4.1760
A performance trial was carried out to determine the total lysine requirement of growing-finishing pigs (35.1±3.35 a 84.7±7.09kg), fed low protein diet, formulated according to ideal protein concept. It was used 32 barrows, 16 pigs from a common genetic group (CGG) and 16 from...
| Autores: | , , , , , |
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| Tipo de documento: | artigo |
| Estado: | Versão publicada |
| Data de publicação: | 2008 |
| País: | Brasil |
| Recursos: | Universidade Estadual de Maringá (UEM) |
| Repositório: | Acta Scientiarum. Animal Sciences (Online) |
| Idioma: | português |
| OAI Identifier: | oai:periodicos.uem.br/ojs:article/1760 |
| Acesso em linha: | https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/1760 |
| Access Level: | Acceso aberto |
| Palavra-chave: | aminoácidos características de carcaça desempenho exigências nutricionais NUP 5.04.00.00-2 Zootecnia |
| Resumo: | A performance trial was carried out to determine the total lysine requirement of growing-finishing pigs (35.1±3.35 a 84.7±7.09kg), fed low protein diet, formulated according to ideal protein concept. It was used 32 barrows, 16 pigs from a common genetic group (CGG) and 16 from an improved genetic group (IGG). The treatments consisted of four diets (0.75, 0.90, 1.05 and 1.20% of total lysine in the growing phase and 0.60, 0.75, 0.90, 1.05 in the finishing phase). The results for IGG, either for growing and finishing phase, showed a decrease of DFI and DWG, without effect on G:F. In the CGG there was no effect of lysine level on pigs performance and plasma urea nitrogen (PUN). The results suggest that the total lysine requirement of barrows from both genetic groups is 0.75 and 0.60%, respectively for growing and finishing phase. |
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