The present invention relates to an additive for a ruminant animal feed. More particularly, disclosed is a method of preparing a micro-encapsulation additive by spray-cooling coating L- carnitine, biotin, folic acid, pantothenic acid, pyridoxine, vitamin C, nicotinic acid, turmeric powder, zinc, manganese, copper, and cobalt with palm oil that is vegetable fat. The present invention may obtain an economical usage amount by calculating a proper input amount and a proper input period of the micro-encapsulation additive.COPYRIGHT KIPO 2016본 발명은 반추가축 사료용 첨가제에 관한 것으로, 더욱 상세하게는 L-카르니틴, 비오틴(Biotin), 폴산(Folic acid), 판토텐산(Pantothenic acid), 피리독신(Pyridoxine), 비타민 C, 니코틴산(Nicotinic acid), 강황분말, 아연, 망간, 구리, 및 코발트를 식물성 지방인 팜오일(palm oil)로 분무냉각(spray-cooling) 코팅 처리하여 마이크로인캡슐레이션 첨가제를 제조하는 방법을 개시한다.
