Patent ID: 6203829
Filing Date: 2001-03-20
Classification: A23K,Y10S

Abstract:
A rumen-bypass preparation for ruminants comprising:a core preparation,said core preparation containing from 50% to 90% by weight of said core preparation a biologically-active substance,said biologically active substance being dispersed in from 10% to 50% by weight of a protective substance,said protective substance containing a first substance and a second substance in a ratio of said first substance to said second substance of from 30:70 to 10:90,said first substance containing at least one selected from the group consisting of a linear or branched, saturated or unsaturated aliphatic C.sub.8-24 monocarboxylic acid, a linear or branched, saturated or unsaturated aliphatic C.sub.8-24 alcohol, and a linear or branched, saturated or unsaturated aliphatic C.sub.2-8 di- or tri-carboxylic acid,said second substance containing at least one of a linear or branched, saturated or unsaturated aliphatic C.sub.12-24 monocarboxylate; anda coating layer applied onto said core preparation,said coating layer containing at least one selected from the group consisting of a linear or branched, saturated or unsaturated aliphatic C.sub.12-24 monocarboxylate, polymers being insoluble in a neutral pH but soluble in an acidic pH, and zein.