| 摘要 |
PURPOSE: Feed for livestock is provided to improve growth rate of livestock, prevention of infection, antioxidant activities, an effect of stress control, storage safety and flesh by adding big-cone pine essential oil. CONSTITUTION: A manufacturing method of feed for livestock comprises the following steps: manufacturing essential oil by injecting raw materials of big-cone pine into a basket having a perforated screen, spraying 70-100deg.C of steam to the raw materials from the lower part and cooling the raw materials to 0-20deg.C; making the particles of the essential oil in a nano size; and adding 0.02-0.04wt% of the essential oil or a composition of the nano-particles of the essential oil to feed for chicken. [Reference numerals] (AA) Big-cone pine(cones, leaves, stems, roots, and others); (BB) Distill with vapor(70-100°C); (CC) Cool(0-20°C); (DD) Gravity separation(separate water and essential oil); (EE) Filter; (FF) Refine; (GG) Concentrate(60°C, 100mHg); (HH) Big-cone pine essential oil |
