The experiment was carried out to investigate the effect of a fiber degrading enzyme on dietary fiber utilisation in Japanese quails. Three hundred day-old quail chicks were randomly assigned to one of four treatment groups (A, B, C and D), each with three replicates and each with 25 quail birds. Four iso-nitrogenous and iso-caloric diets (CP: 21%; ME: 2850 kcal/kg) were developed. Diet "A" contained no exogenous enzyme, whereas diets (B, C and D) contained 200, 300 and 400 g/ton of feed, respectively, of Rovabio® Advances T-Flex 25 granulated exogenous enzyme. Chicks were fed ad libitum, and data on growth performance was collected. After the trial was completed, three birds from each replicate were slaughtered at random to determine carcass parameters and meat quality. Body weight increased (P < 0.05) in birds given Rovabio® enzyme, but feed intake and FCR were not significantly different (P > 0.05) across all treatments. The enzyme supplementation had no effect on carcass characteristics or water holding capacity. Meat pH was lower (P < 0.05) in birds fed Rovabio® enzyme at 400 g/ton of feed. When compared to the control diet, enzyme supplementation significantly improved fiber digestibility (P < 0.05). Protein and fat digestibility, on the other hand, remained unaffected across all treatments (P > 0.05). The results show that adding Rovabio® enzyme at a rate of 200 g/ton of feed improves body weight, fiber digestibility and economics efficiency. © 2022 Friends Science Publishers
Keywords: Enzyme; Fiber; Digestibility; Non-starch polysaccharides; Meat quality
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