2008
DOI: 10.1590/s1516-35982008000900016
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Abstract: RESUMO -Em dois ensaios experimentais, avaliaram-se níveis de lisina digestível (0,90; 1,00; 1,10; 1,20 e 1,40%) combinados a zinco quelado (43 e 253 ppm) para frangos de corte machos. Os períodos considerados foram: 1 a 11 dias de idade (desempenho) e 1 a 7 dias de idade (balanço de nitrogênio). O delineamento experimental utilizado foi de blocos ao acaso, em esquema fatorial 5 × 2. No ensaio de desempenho, utilizaram-se 7 repetições e 15 aves por unidade experimental e, no ensaio de digestibilidade, 6 repeti… Show more

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Cited by 14 publications
(12 citation statements)
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“…In a previous study, Namazu et al (2008) noted that at higher dietary concentration, the organic zinc provided better response to the use of energy intake when evaluating diets with zinc concentrations similar to this study for broilers (same strain and sex) in the first week of life.…”
Section: Resultssupporting
confidence: 57%
See 1 more Smart Citation
“…In a previous study, Namazu et al (2008) noted that at higher dietary concentration, the organic zinc provided better response to the use of energy intake when evaluating diets with zinc concentrations similar to this study for broilers (same strain and sex) in the first week of life.…”
Section: Resultssupporting
confidence: 57%
“…The diets contained 2,965 ± 18 kcal/kg apparent ME, a value which was determined in a digestibility trial (Namazu et al, 2008) and 21.48 ± 0.18% CP (Table 1). The levels of energy, protein and amino acid ratio were based on recommendations of Rostagno et al (2005).…”
Section: Methodsmentioning
confidence: 99%
“…The amino acid utilisation efficiency for PD was expected to be different between MC and THR, as essential amino acids have different degradation rates (Edwards et al, 1997); and between sex and phases, as the nutrient requirements are higher during starter growth phases, which is associated with muscle mass and/or ND (Namazu et al, 2008). However, in the current study only one efficiency was determined for all three phases and both sexes, for both MC (0.60) and THR (0.59) (Supplementary Figures S1 and S2), and were very similar between the two amino acids.…”
Section: Discussionmentioning
confidence: 99%
“…Namazu et al (2008) also found a quadratic relationship between weight gain and dietary lysine levels. However, it was found that feed intake has a first order relationship with lysine levels.…”
Section: Goulartmentioning
confidence: 78%