EMILIA MARTHA NAREK Pengarang REDEMPTA WEA Pengarang Bernadete Barek Koten Pengarang Aholiab Aoetpah Pengarang Floriana Petrosa Un Pengarang

Abstract The objective of this study was to evaluate minerals and nutrient composition of young coconut husk silage fermented with rice bran at different concentrations. The study was conducted for seven months in the Laboratory of Feed Technology of State Agricultural Polytechnic of Kupang. A completely randomised design was employed with four treatments and five replicates. The treatments were young coconut husk without rice bran (P0) or the husk plus 4% (P1), 8% (P2) or 12% (P3) of rice bran out of the silage total weight. Variables measured were dry matter, ash, crude protein, crude lipid, crude fibre, Calcium, Potassium and Phosphorus. Analysis of variance showed that rice bran significantly (P<0.01) affects all variables measured. The Duncan’s range multiple test showed that 12% and 4% were the best rice bran concentrations to increase nutrient content and minerals of the silage, respectively. It can be concluded that adding 12% of rice bran to young coconut husk silage increased dry matter, ash, crude protein and crude lipid but reduced Calcium and Potassium. Crude fibre and Phosphorus increased at the inclusion of 8% rice bran. Key words: Nutrient; Minerals; Rice bran; Silage; Young coconut husk.