稀土是元素周期表中镧系十五种元素及鈨.钇混合物统称.稀土配方是我中心根据草鱼常见疾病(赤皮、烂鳃、肠炎等)及常规防治药物研制的新产品。经二年共十五次试验结果,用研制的稀土配方养鱼.不但能预防鱼病而且能促进鱼类生长。 Rare earth is the periodic table of the lanthanum series of fifteen elements and 鈨, yttrium mixture collectively .Rare earth formula is my center according to the common diseases of grass carp (red skin, rotten gill, enteritis, etc.) and conventional prevention and treatment of drug development of new products. After a total of fifteen trials over two years, the fish was formulated with the developed rare earth formula, which can not only prevent fish diseases but also promote fish growth.