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Ecosistemas y recursos agropecuarios
versión On-line ISSN 2007-901Xversión impresa ISSN 2007-9028
Resumen
GOMEZ-ROSALES, Sergio y ANGELES, María de Lourdes. Dried Distillers Grains with Solubles and Enzymes in diets for broiler chickens. Ecosistemas y recur. agropecuarios [online]. 2017, vol.4, n.11, pp.359-369. ISSN 2007-901X. https://doi.org/10.19136/era.a4n11.1078.
The aim of this study was to evaluate productive variables in growing and finishing chickens fed with different concentrations of dried distillers grains with solubles (DDGS) and enzymes in diets with adequate or low metabolizable energy (ME), calcium and phosphorus content for broilers. In the three experiments conducted, the chickens were housed in individual cages; in experiments 1 and 2, 96 and 80 growing and finishing chickens were assigned to diets of sorghum or corn-soybean paste at concentrations of 0, 5, 10 and 15 % DDGS; in experiment 3, 150 chickens were placed on diets with adequate or low ME, calcium and phosphorus content and 10 % DDGS supplemented with phytase, glucanase and xylanase. Data were analyzed by ANOVA, linear regression and orthogonal contrasts. In experiments 1 and 2, with first derivative analysis, it was found that for optimal productivity in growing (P < 0.05) and finishing (P < 0.01) chickens the optimal DDGS level was 8.5 and 13 %, and to optimize the breast weight the maximum level was 4.44 %. In experiment 3, the addition of enzymes compensated for the reduction of ME, calcium and phosphorus in diets with 10 % DDGS. Between 8.5 and 13 % DDGS can be included in diets for growing and finishing chickens, and the addition of enzymes improves the use of ME in diets with DDGS.
Palabras llave : ME; phytase; glucanase; productivity; xilanase.