Feed or feed additives for animals, which are characterised in that they are composed of an extract of olive stones, apple pips, Glossostemon bruguieri, tubers of Pueraria mirifica and/or corn cobs or ground olive stones and/or apple pips. The ground olive stones and/or apple pips are produced by conventional grinding. The extracts mentioned are likewise obtained by conventional extraction using suitable extractants. The feeds or feed additives according to the invention are highly suitable for processing in mixed feeds.
