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| Dorigam,Juliano Cesar De Paula; Sakomura,Nilva Kazue; Hauschild,Luciano; Silva,Edney Pereira da; Bendezu,Hilda Cristina Palma; Fernandes,João Batista Kochenborger. |
| Broiler strains available in the poultry industry present different requirements for dietary lysine due to their different growth potentials as a result of their genetic makeup. This study aimed to determine the model parameters for maximum nitrogen retention (NRmaxT), the nitrogen maintenance requirement (NMR) and the efficiency of lysine utilization (bc-1) to reevaluate the lysine (Lys) requirements of male and female broilers. Nitrogen balance trials were performed during three periods (I: 6-21 days, II: 22-37 days, and III: 38-53 days). Seven treatments were used for males and females; the treatments consisted of seven diets with protein levels ranging from 61 to 364 g kg-1 dry matter, with Lys being limiting in the dietary nitrogen (4.91 g of Lys in... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Amino acid; Exponential model; Maintenance; Nitrogen retention; Performance. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162014000300004 |
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