A FEED ADDITIVE OF NANOMETER SIZE, A PROCESS PREPARING THE SAME AND A FEED CONTAINING THE FEED ADDITIVE OF NANOMETER SIZE

摘要

The present invention relates to a feed additive of nanometer size and a process for preparing the same. Said additive consists of a composition of copper modified montmorillonite and zinc modified montmorillonite in a weight proportion of 1:0.5-20. Said additive has such extreme high antibiosis and antiviral properties that it can be used to substitute for the antibiotics and growth promotion feed additives. The present invention also relates to a feed containing the feed additive of nanometer size.