Data/hora: 17/06/2024 15:51:52

Provedor de dados: | 89
País: | Brazil
Título: | High tannin sorghum in diets of japanese quails (Coturnix coturnix japonica)
Autores: | Faquinello,P; Murakami,AE; Cella,PS; Franco,JRG; Sakamoto,MI; Bruno,LDG.
Data: | 2004-06-01
Ano: | 2004
Palavras-chave: | Coturnix coturnix japonica; Performance; Sorghum; Tannin; Yolk color.
Resumo: | This experiment was carried out to evaluate the effects of replacing corn by high tannin sorghum in diets of japanese quails (Coturnix coturnix japonica) on performance and egg quality. Two hundred and fifty-two quails with 50 weeks of age were evaluated during four periods of 21 days. The treatments consisted of diets containing 20, 40, 60, 80 and 100% of sorghum, and a control treatment (100% of corn). Diets were formulated so that the levels of energy, protein, amino acids (methionine+cystine and lysine), calcium and phosphorus were similar A completely randomized experimental design was used, with six treatments, six replicates and seven quails for experimental unit. Evaluated parameters were egg production (%), feed intake, feed: gain ratio (kg/kg and kg/dozen), egg mass (g), egg weight and egg quality (Haugh unit, eggshell percentage, shell thickness and yolk color). The increasing sorghum levels had a negative linear effect (p&lt;0.05) on egg production (Y=82.9138 - 0.0966553X; R²=0.87), egg mass (Y= 8.0840626 - 0.009336932X; R²=0.80) and yolk color (Y=7.14340-0.0546875X; R²=0.98). On the other hand, the replacement had a positive linear effect on feed:gain ratio expressed as kg/kg (Y=0.372174 + 0.000536191X; R²=0.92) and as kg/dozen (Y=2.71516 + 0.00423485X; R²=0.94). Control treatment means were different by Dunnett's test (p&lt;0.05) for egg mass (g) when compared to the treatment with 100% of replacement and for yolk color when compared to treatments containing 20, 40, 60, 80 and 100% of sorghum. There were no differences (p&gt;0.05) in feed intake, egg weight, Haugh unit, eggshell percentage and shell thickness. In conclusion, up to 80% of high tannin sorghum may be used on diets if xanthophyll pigments are added in order to maintain the commercial quality of final products.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2004000200002
Editor: | Fundação APINCO de Ciência e Tecnologia Avícolas
Relação: | 10.1590/S1516-635X2004000200002
Formato: | text/html
Fonte: | Brazilian Journal of Poultry Science  v.6 n.2 2004
Fonte: | info:eu-repo/semantics/openAccess