The objectives of this research were to examine production and assesed its nutrition quality of organic Cu through onggok fermented using Aspergillus niger. The research was held November 2011 until May 2012 at the Laboratory of Animal Feed and Nutrition, Agriculture Faculty, University of Sriwijaya Indralaya, Ogan Ilir. Complete Randomized Design (CRD) with four treatments and three replicatio…