The species and features of rumen bypass fat, application effects of rumen bypass fat in feeding high producing dairy cows and important points for practical addition were mainly described.

• 主要论述了过瘤胃脂肪的种类及特点、过瘤胃脂肪在高产奶牛饲养中的应用效果以及在实际添加时的注意要点。