The purpose of this research was to study the effect of the use of palm kernel cake (PKC) and rice bran (RB) fermentation products mixture to the percentage of broiler carcass weight pieces. Research using completely randomized design (CRD) with treatments of the fermentation product usage rate of 0% (P0). 10% (P1). 20% (P2). https://herbsdailyes.shop/product-category/combs/