Simple System Lucie Brix Single. Premium lucerne compressed into 1kg blocks, feed whole & dry to mimic grazing. Composition Dried lucerne Specification Ranges Crude Fat (Oil) 2 - 4% Crude Ash 6 - 8% Crude Protein 14 - 18% Crude Fibre 25 - 35% Sugar <7% Starch <5% Digestible Energy Medium 9 - 10 MJ/kg