Milawarni, Arskadius, E. Elfiana, Yassir
Coffee waste is a by-product from processing coffee beans which has the potential to be used as a reinforcing feed material (concentrate) for ruminants. The waste of coffee fruit is physically quite large in composition, that is 48% of the pulp and the rest is waste. The disadvantages of this coffee waste to be used as feed are its high fiber content (21%), caffeine and tannin and its voluminous physical form. But all this can be overcome by fermentation using Aspergius Niger so as to increase its nutritional value. This research was carried out by making a feed composition including: P0 = 0% coffee husk waste (control) and 98.75% rice bran, P1 = 30% coffee husk waste and 68.75% rice bran, P2 = 60% coffee husk waste and 38.75 rice bran and P3 = 90% coffee husk waste and 8.75% rice bran. The variables observed were the physical characteristics of the feed wafer including: aroma, color and density and palability. Data was collected and analyzed using ANOVA and Duncan Range Test. The results showed the use of coffee husk waste should be used at a level of 30%, because it has a high palability value and low density and crumbs so it is easier for ruminant animals to consume. © Published under licence by IOP Publishing Ltd.
School of Electrical Engineering, Politeknik Negeri Lhokseumawe, Indonesia; School of Mechanical Engineering, Politeknik Negeri Lhokseumawe, Indonesia; School of Chemical Engineering, Politeknik Negeri Lhokseumawe, Indonesia
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