| 摘要 |
PURPOSE:A feed additive having improved acidity control properties and durability, suitable as a carrier for a various kinds of very small amounts of additives such as very elements, enzyme, etc., obtained by adjusting basicity of synthetic aluminosilicate having a specific structure to a specific value. CONSTITUTION:Basicity of synthetic aluminosilicate (preferably A type zeolite and its precursor) shown by the formula [M is alkaline (earth) metal, Zn, Fe, Cu, etc.; m is valence, X is 1.5-5; y is 0-10] is adjusted in such a way that equilibrium pH is <=10.5 by neutralization with an acidic substance, etc., and a feed additive containing the substance as an active ingredient is prepared. |
