FEED ADDITIVE TO PROMOTE THE GROWTH OF SOWS AND PIGLETS AND APPLICATION THEREOF

摘要

The present invention provides feed additive to promote the growth of sows and piglets, which comprises serine, astragalus and ginseng leaves. The feed additive preferably contains: 50-60wt% of the serine, 20-25wt% of the astragalus, 20-25wt% of the ginseng leaves and the balance of rice bran meal as a carrier. The invention also provides applications of the above-mentioned feed additive in promoting the growth of sows and piglets, that is, before feeding, make the serine content in the diet reach 0.69wt% and incorporate it into the diet of gestational sows, and/or make the serine content in the diet reach 0.82wt% and incorporate it into the diet of lactating sows.