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Articles by I. Putu Kompiang
Total Records ( 2 ) for I. Putu Kompiang
  Wizna , Hafil Abbas , Yose Rizal , Abdi Dharma and I. Putu Kompiang
  An experiment was conducted to improve the nutrient content of sago pith (Metroxylon sago Rottb) and rumen content mixture through fermentation by using cellulolytic bacteria (Bacillus amyloliquefaciens) as inoculums. The experiment was determination of the optimum conditions (dosage of inoculums, fermentation length and temperature) for sago pith and rumen content mixture fermentation based on nutrient quality and quantity of these fermented products. The study was conducted in experimental methods, using the completely randomize design in factorial with 3 treatment were : 1. A factor (Dosage of inoculums: A1 = 2%, A2 = 6%, A3 = !0%), 2. B factor (Fermentation length : B1 = 3 days, B2 = 6 days, B3 = 9 days) and 3. C factor (Temperature : C1 = 30oC, C2 = 40oC and C3 = 50oC). Results of study showed that optimum conditions of the fermentation of sago pith (Metroxylon sago Rottb) and rumen content mixture was at 2% dosage of inoculums, 9 days of fermentation length and 40oC temperature. This conditions can decrease 33% of crude fiber and increase 42% of crude protein which made the nutritional value of the product based on dry-substance was 15.79% crude protein, 2.75% crude fat, 18.54% crude fiber, 0.20% calcium, 0.16% phosphor, 2540 Kcal/kg metabolic energy, and 66.65% nitrogen retention.
  Mirnawati , I. Putu Kompiang and Suslina A. Latif
  An experiment was conducted to improve the quality of palm kernel cake (PKC) through fermentation by combination of substrate composition and inoculum dosage. The experiment used complete randomize design (CRD) with 4 x 3 factorial and twice replication. The first factor was substrate composition(A): (1) PKC 80% + 20% of rice brand, (2) PKC 80% + 20% of feses, (3) PKC 70% + 30% rice brand, (4) PKC 70% + 30% of feses. The second factor was inoculum dosage (B): (1) 5%, (2) 10% and (3) 15%. The parameters were protease and cellulase activity, crude protein and crude fiber of palm kernel cake fermentation. The result of study showed that there was significantly (p<0.05) interaction between substrate composition and inoculum dosage to protease and cellulase activity, crude protein and crude fiber of palm kernel cake fermentation. Every factor from substrate composition and inoculum dosage showed that there were highly significant (p< 0.01) effect to protease and cellulase activity, crude protein and crude fiber of palm kernel cake fermentation. It can be concluded that palm kernel cake which was fermented by combination of substrate composition and inoculum dosage showed that substrate composition 80% PKC + 20% rice brand and inoculum dosage 10% had a better nutrient content of Palm kernel cake fermentation. This condition can be seen in protease activity (18.10 U/ml) cellulase activity (22.84 U/ml) crude protein (20.84%) and crude fiber (10.64%).
 
 
 
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