FEED ADDITIVE COMPOSITION FOR RUMINANTS

摘要

A feed additive composition containing a biologically active substance which is stable in the rumen of ruminants while allowing its efficient digestion and absorption in the abomasum and its subsequent digestive tract is provided. The feed additive composition for ruminants according to this invention is characterized in that a core which contains a biologically active substance is coated with a coating composition which contains at least a) and b) below. a) at least one substance selected from the group consisting of linear or branched saturated or unsaturated aliphatic monocarboxylic acids of 12-22 carbon atoms or salts thereof, hardened vegetable fats and oils, hardened animal fats and oils and wax; and b) a substance indicated in i) and/or ii) below. i) one or more linear or branched saturated or unsaturated aliphatic monocarboxylic acids or 11 carbon atoms or less, and ii) one or more substances selected from the group consisting of nucleic acids, nucleotides, nucleosides, bases composing nucleic acids and salts thereof. i