2008
DOI: 10.1590/s1516-35982008000600009
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Abstract: RESUMO -O nível dietético adequado (0,12; 0,16; 0,20; 0,24 e 0,28%) de triptofano digestível foi avaliado em 400 codornas japonesas de 21 a 30 semanas de idade, fase de postura. As codornas foram alojadas em gaiolas de 125 cm 2 /ave, com peso inicial de 158,50 g e produção média de ovos de 84,50%. O delineamento experimental foi em blocos casualizados, constituído por oito blocos, cinco tratamentos, oito repetições de dez aves/repetição e três períodos experimentais de 21 dias cada. Foram avaliados os parâmetr… Show more

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Cited by 16 publications
(10 citation statements)
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References 12 publications
(12 reference statements)
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“…These results suggest that FI and WG increased linearly as DTrp levels increase, not reaching the nutritional requirement. These results are in agreement with reports of Pinheiro et al (2008), who found no effect of feed for Japanese quails fed with different levels of digestible tryptophan (0.12 to 0.28%).…”
Section: Resultssupporting
confidence: 93%
See 1 more Smart Citation
“…These results suggest that FI and WG increased linearly as DTrp levels increase, not reaching the nutritional requirement. These results are in agreement with reports of Pinheiro et al (2008), who found no effect of feed for Japanese quails fed with different levels of digestible tryptophan (0.12 to 0.28%).…”
Section: Resultssupporting
confidence: 93%
“…In a study conducted with laying Japanese quails fed with different levels of digestible tryptophan (0.12 to 0.28%), Pinheiro et al (2008) found no effects on birds performance, except for tryptophan intake which increased linearly on levels of digestible tryptophan of the diet. This effect was justified as the birds were not exposed to stressful situations where tryptophan could be more required to promote wellbeing of birds.…”
Section: Resultsmentioning
confidence: 94%
“…Digestible amino acid requirements were supplied using the digestible lysine:amino acid ratios described by Pinto et al (2003), Umigi et al (2008), Pinheiro et al (2008), and Reis et al (2011), because the recommendations are expressed on total amino acids in the NRC table (1994). The ingredients and the calculated nutritional composition of the experimental diets are shown in Table 1.…”
Section: Methodsmentioning
confidence: 99%
“…Para atender às exigências dos aminoácidos foram utilizadas como base as relações aminoácido total:lisina total preconizadas pelo Nutrient... (1994), exceto para as relações metionina + cistina digestível:lisina digestível e triptofano digestível:lisina digestível, as quais foram baseadas nas recomendações de Pinto et al (2003b) e Pinheiro et al (2007). O nível de lisina digestível utilizado foi inferior (subótimo) àquele determinado por Pinto et al (2003a), para que se pudesse determinar a relação treonina digestível:lisina digestível.…”
Section: Methodsunclassified