【摘要】 介绍复合酶应用于泌乳奶牛的情况，对照组和实验组相比较，可使日产奶量增加 ５．２％ ，并可提高奶牛抗热应激能力，对食欲不振，消化不良的奶牛有明显的保健作用，这样直接和间接地提高了经济效益。更多还原

【Abstract】 This article introduced the condition that compound enzymes were applied in cow.Milk quantity has increased by 5.2% over control group.Ability of thermal irritability was raised.Cow have a obvious health care action that appetite and digestion is not good.so they raised economic effect directly and indirectly.更多还原