Supplementation of B-Complex Vitamins and ZINC (Zn) Minerals in Palm Oil Fronds Silage on Nutritional Composition of Ruminant Feed (Supervised by Dr. Ir. ARMINA FARIANI, M.Sc.) The aim of this study was to determine the nutritional composition of oil palm fronds silage enriched with vitamin B-complex and Zinc (Zn) minerals in oil palm fronds proximately. This research was carried out from Febru…