畜禽鱼类优良的饲料添加剂 --稀土在农业上,稀土微肥已被广泛使用,在畜牧水产业方面,稀土仍大有可为。使用稀土作畜禽鱼类的饲料添加剂,不仅添加量小,成本低,且使用安全,其饲用效果和经济效益均较高,值得大力开发和推广应用。 Livestock and fowls excellent feed additives - rare earth In agriculture, rare earth fertilizer has been widely used, in the livestock husbandry and aquaculture, the rare earth is still promising. The use of rare earth as a feed additive for livestock and poultry fish, not only added small, low cost, and safe to use, the feed effect and economic benefits are high, it is worth to vigorously develop and promote the use of.