稀土元素在动物营养上的应用

The Application of Rare Earth Elements in Animal Nutrition

我国稀土资源丰富,其储量、开采量均居世界首位,已广泛应用于工业、农业等领域。稀土元素作为动物饲料添加剂,可以促进畜禽生长、减少死亡率、增强免疫等生理作用,在动物营养中应用的前景广阔。论述了稀土资源的分布、添加剂的种类、作用机理以及在动物营养中的应用做一综述。

China is a rare earth resource-rich country and rare earth reserves and production rank the first in the world. Nowadays, rare earth elements have been widely used in industry, agriculture, etc. Rare earth element as an animal feed additive could promote animal growth, reduce mortality, enhance im- mune function of animal, etc. This article summarized the distribution of rare earth resources in China, types of additive, mechanism of action and application in animal nutrition.