V D Yunianto
The research was aimed to examine the role of inulin as a prebiotic derived from dahlia flower tuber in the form of powder and extract as a prebiotic on body immunity of crossbred local chicken. The research was assigned in a completely randomized design with 7 treatments and 4 replications (10 birds each). The treatments applied were T0: basal ration, T1: ration + 0.4% powder, T2: ration + 0.8% powder, T3: ration + 1.2% powder, T4: ration + 0.39% extract, T5: ration + 0. 78% extract, T6: ration + 1.17% extract. The birds were reared for conditioning from day 1 until day 21, and dietary treatment was given thereafter until 11 wk of age. The data were statistically analyzed according to ANOVA and continued to Duncan test at the level of 5% probability. The results showed that feeding inulin in the form of powder or extract significantly (P<0.05) increased the weight of bursa fabricius and BWG, but it decreased meat fat and cholesterol while the weight of spleen was not affected. In conclusion, the higher levels of feeding inulin in the form of powder at 1.2% (T3) and extract at 1.17% (T6), improves health status, performances and product quality of crossbred local chicken.
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